[GNHLUG] Handing over the reigns at NHRuby.org

[Scott Garman]

[I'm forwarding the following from the NHRuby.org mailing lists. Note
that the lists being shut down I refer to below are *not* the GNHLUG lists.]

Hello fellow Rubyists,

There are some changes afoot for the NH Ruby and Rails User Group I
wanted to let you know about. I am officially handing over the reigns of
the group to the leadership of Nick Plante.

While I technically founded NHRuby.org back in January of '07, Nick has
been involved from the start, and we've considered each other co-chairs
(and co-horts in crime) since the group got off the ground. I know Nick
is going to do an excellent job helping the group continue to grow and
succeed as a resource and gathering hub for Rubyists in the area.

This change is due to the fact that I will be moving to the West Coast
in January. This group is one of the many things I will miss dearly
about New Hampshire. Fortunately I can and will remain in touch with the
group remotely.

To date, I've been hosting the electronic resources for the group
(domain name, wiki, and mailing lists). I'm now in the process of
migrating these services to ones Nick will administer.

The most disruptive change will be that this mailing list will be shut
down on Monday, December 29. You will need to manually subscribe to the
following Google Groups, which will replace the announcements and
discussion lists, respectively:

http://groups.google.com/group/nhruby-announce

http://groups.google.com/group/nhruby-discuss

Shortly after that, the nhruby.org domain will be transferred to Nick
and he will take over hosting the web site (and adding a new blog, which
is planned to eventually replace the wiki).

It's been an honor and privilege to be involved in one of the first
Ruby/Rails user groups in New Hampshire.

Scott

-- 
Scott Garman
sgarman at zenlinux dot com

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[GNHLUG] NHRuby.org social meeting, Tuesday, Dec 2.

[Scott Garman]

The NH Ruby and Rails User Group will be doing something a bit different
this month in lieu of its normal meeting. We'll be meeting early in
December to have an informal get-together at the Rosa Restaurant in
Portsmouth, NH.

Join us at The Rosa for dinner and drinks - there will be conversation
about your favorite Ruby and other web/technology topics, with ample
opportunity to get sidetracked on non-Ruby related subjects.

A note to shy geeks: we are a very welcoming and laid-back group, give
us a try. :)

We do ask that you RSVP directly to me (if you haven't already) so we
have an accurate headcount for the restaurant, since we have reserved a
semi-private room.

WHEN: Tuesday, December 2, 2008. 7-9 PM.
WHERE: The Rosa Restaurant, 80 State Street, Portsmouth, NH

Links:

http://www.therosa.com

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott

--
Scott Garman
sgarman at zenlinux dot com
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[GNHLUG] No NHRuby November meeting/early December social gathering.

[Scott Garman]

The NH Ruby and Rails User Group will not have a meeting this month
(November) due to the Boston Professional Ruby conference which is
happening the same week.

Also, we will be holding a social gathering on Tuesday, December 2 in
lieu of our December meeting.

Join us in Portsmouth (location TBA) on 12/2 for dinner and drinks -
there will be conversation about your favorite Ruby and other
web/technology topics, with ample opportunity to get sidetracked on
non-Ruby related subjects.

A note to shy geeks: we are a very welcoming and laid-back group, give
us a try. :)

We're hoping to reserve a room at a local restaurant and thus request an
RSVP by Saturday, Nov 15 if you're planning to attend so we can gauge
the level of interest.

Scott
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Spamassassin tips?

[Scott Garman]

Welcome back, GNHLUG. You were missed. :)

For the past few weeks I have been getting deluged in financial-related
spam, particularly debt consolidation and forgiveness schemes.

A while back I enabled some of the network checks (e.g, razor) and that
dramatically reduced the amount of spam that got through my filter. I'm
running spamassassin v3.2.4 on CentOS v5.2.

A common characteristic of the recent spam is that it uses accented
characters and misspellings (presumably) to avoid having spammy keywords
matched. For example:

dêbts
reqùireed
credït

Through googling I found a ruleset that weights non-Western character
sets high as spam, but that works more for Russian and Mandarin spam
than the accented characters above.

Does anyone have any suggestions or rulesets they could recommend to me?

Thanks,

Scott

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OT: P4 1U rackmount server for sale.

[Scott Garman]

I have a 1U rackmount server for sale that is Linux-compatible if anyone
is interested. Details:

* SuperMicro model 5013C-T with P4SCE motherboard
* Intel P4 2.4 GHz with HT, 1 MB cache
* 1 GB of DDR 333 MHz RAM (2x512 MB Crucial brand matched sticks in
dual-channel mode)
* Dual Seagate 120GB ST3120827AS SATA hard drives in removable bays
(though I wouldn't recommend hot-swapping SATA drives, this does make it
easy to remove and replace them)
* CD-ROM and floppy drive
* Passes memtest with zero errors
* I have all the original mounting hardware, including the sliding
rails. Ditto for the user manual.
* Very clean, not dusty and in nearly new cosmetic condition
* Compatible with CentOS v4 and v5 (that's what I've run on it in the past)

$100 cash takes it. It's available for pickup in the Rochester or
Newmarket NH areas. Please contact me off-list with questions or to
arrange pickup.

Thanks,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com
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[GNHLUG] NHRuby meeting TOMORROW, Oct 21: Rails plugins, REST applications.

[Scott Garman]

Tomorrow night's NHRuby.org meeting will include two great talks:

* Nick Plante will be talking about the Rails Plugin system. The Rails
plugin system allows you to add powerful features to your applications
by altering or enhancing key pieces of the framework. Plugins tend to be
easy to use and can save precious development cycles, freeing you to
focus on the elements that make your project truly unique. Although
plug-ins are often dead simple to use, authoring them is not always
quite as straightforward.

Nick's presentation will give developers an overview of the Rails plugin
architecture and the hooks that are provided for creating your own.
We'll take a look at the genesis of a typical plugin, and see how we can
extract and generalize our code, repackaging it in a modular way such
that it can be reused across projects and redistributed within the Rails
community. Along the way, we'll also learn a thing or two about Ruby
metaprogramming practices, and examine strategies for testing and
redistributing plugin code.

* Brian Turnbull will be giving an introduction to RESTful web services
as a follow-up to his HTTP talk last month. REpresentational State
Transfer is the theoretical underpinnings of HTTP/1.1. This talk will
explain what REST is, present examples of existing web services using
REST, and also covers the practical application of REST and the Atom
Publishing Protocol in creating a web service.

WHEN: Tuesday, October 21, 2008. 7-9 PM.
WHERE: RMC Research Offices, 1000 Market Street, Portsmouth, NH.

For a map and driving directions, see our wiki site:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com
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[GNHLUG] NHRuby meeting Tuesday, Oct 21: Rails plugins, REST applications.

[Scott Garman]

This month the NH Ruby and Rails user group has a pair of great
presentations for our October meeting:

* Nick Plante will be talking about the Rails Plugin system. The Rails
plugin system allows you to add powerful features to your applications
by altering or enhancing key pieces of the framework. Plugins tend to be
easy to use and can save precious development cycles, freeing you to
focus on the elements that make your project truly unique. Although
plug-ins are often dead simple to use, authoring them is not always
quite as straightforward.

Nick's presentation will give developers an overview of the Rails plugin
architecture and the hooks that are provided for creating your own.
We'll take a look at the genesis of a typical plugin, and see how we can
extract and generalize our code, repackaging it in a modular way such
that it can be reused across projects and redistributed within the Rails
community. Along the way, we'll also learn a thing or two about Ruby
metaprogramming practices, and examine strategies for testing and
redistributing plugin code.

* Brian Turnbull will be giving an introduction to RESTful web services
as a follow-up to his HTTP talk last month. REpresentational State
Transfer is the theoretical underpinnings of HTTP/1.1. This talk will
explain what REST is, present examples of existing web services using
REST, and also covers the practical application of REST and the Atom
Publishing Protocol in creating a web service.

WHEN: Tuesday, October 21, 2008. 7-9 PM.
WHERE: RMC Research Offices, 1000 Market Street, Portsmouth, NH.

For a map and driving directions, see our wiki site:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com
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[GNHLUG] NHRuby meeting TOMORROW, Sept 16: A trio of talks.

[Scott Garman]

If you're suffering withdrawl from the lack of a NHRuby.org meeting last
month, don't worry - we're back for a great meeting this month! Join us
at our usual location, RMC Research in Portsmouth, NH for a trio of
interesting talks.

* Brian Turnbull will be giving an presentation on HTTP, the protocol
that powers the world wide web. Every web page requested and displayed
in a web browser is delivered via HTTP. But HTTP can facilitate all
sorts of client/server communication. In this talk, Brian will discuss
and present the major aspects of the protocol for application to your
own projects.

* Scott Garman will be giving a talk on how to quickly set up a Virtual
Private Server (VPS) as a Rails deployment environment. This talk is
specifically geared toward this process as preparation for the Rails
Rumble programming contest, coming up in mid October. Rumble
participants will be given a Linode VPS to use during the contest.

* Continuing on the Rails Rumble preview theme, Nick Plante will give an
overview of the git source code management system, as well as the
elegant and powerful GitHub hosted web service for managing git
repositories. Rumble participants will be expected to use git and GitHub
during the contest.

There's also going to be some serious schwag distributed at this meeting:

Rumor has it that Nick will have some copies of his newly released book,
Practical Rails Plugins, that will be given away as door prizes (and
signed upon request).

We'll also be giving away one free core conference pass to the upcoming
Professional Ruby Conference (Nov 17-20 in Boston):

http://www.voicesthatmatter.com/ruby2008/

Finally, there will also be a Linode discount code available for two
free months of service, after one paid month. The code will work with
any of their VPS plan levels.

WHEN: Tuesday, September 16, 2008. 7-9 PM.
WHERE: RMC Research Offices, 1000 Market Street, Portsmouth, NH.

For a map and driving directions, see our wiki site:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott




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[GNHLUG] NHRuby meeting Tuesday, Sept 16: A trio of talks.

[Scott Garman]

If you're suffering withdrawl from the lack of a NHRuby.org meeting last
month, don't worry - we're back for a great meeting this month! Join us
at our usual location, RMC Research in Portsmouth, NH for a trio of
interesting talks.

* Brian Turnbull will be giving an presentation on HTTP, the protocol
that powers the world wide web. Every web page requested and displayed
in a web browser is delivered via HTTP. But HTTP can facilitate all
sorts of client/server communication. In this talk, Brian will discuss
and present the major aspects of the protocol for application to your
own projects.

* Scott Garman will be giving a talk on how to quickly set up a Virtual
Private Server (VPS) as a Rails deployment environment. This talk is
specifically geared toward this process as preparation for the Rails
Rumble programming contest, coming up in mid October. Rumble
participants will be given a Linode VPS to use during the contest.

* Continuing on the Rails Rumble preview theme, Nick Plante will give an
overview of the git source code management system, as well as the
elegant and powerful GitHub hosted web service for managing git
repositories. Rumble participants will be expected to use git and GitHub
during the contest.

Rumor has it that Nick will have some signed copies of his newly
released book, Practical Rails Plugins that will be given away as door
prizes.

WHEN: Tuesday, September 16, 2008. 7-9 PM.
WHERE: RMC Research Offices, 1000 Market Street, Portsmouth, NH.

For a map and driving directions, see our wiki site:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott


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[GNHLUG] August NHRuby.org meeting canceled.

[Scott Garman]

Nick Plante and I have been up against some intense work schedules 
recently and we've decided to cancel the August NHRuby.org meeting.

We are planning some great material for the September meeting, however.
So enjoy the summer and we'll see you next month!

Scott

-- 
Scott Garman
sgarman at zenlinux dot com


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[GNHLUG] NHRuby meeting THIS TUES, July 15: The Merb Framework.

[Scott Garman]

Join us at RMC Research in Portsmouth, NH this Tuesday for the July 2008
meeting of the NH Ruby and Rails user group. This month, Jeremy Durham
from The MathWorks will be giving a presentation on the Merb web
development framework (http://merbivore.com).

Merb is written in Ruby and is considered a promising modular,
performance-oriented alternative to Rails. Jeremy will be discussing his
journey converting an existing Ruby on Rails application to Merb, the
challenges of using Merb, and when it may make sense to use it.

WHEN: Tuesday, July 15, 2008. 7-9 PM.
WHERE: RMC Research Offices, 1000 Market Street, Portsmouth, NH.

For a map and driving directions, see our wiki site:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com




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[GNHLUG] NHRuby meeting Tuesday, July 15: The Merb Framework.

[Scott Garman]

Join us at RMC Research in Portsmouth, NH for the July 2008 meeting of
the NH Ruby and Rails user group. This month, Jeremy Durham from The
MathWorks will be giving a presentation on the Merb web development
framework (http://merbivore.com).

Merb is written in Ruby and is considered a promising modular,
performance-oriented alternative to Rails. Jeremy will be discussing his
journey converting an existing Ruby on Rails application to Merb, the
challenges of using Merb, and when it may make sense to use it.

WHEN: Tuesday, July 15, 2008. 7-9 PM.
WHERE: RMC Research Offices, 1000 Market Street, Portsmouth, NH.

For a map and driving directions, see our wiki site:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com


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[GNHLUG] NHRuby meeting TOMORROW, Jun 17: Google App Engine and more!

[Scott Garman]

The NH Ruby and Rails User Group will hold its June 2008 meeting at the
usual spot, RMC Research in Portsmouth. This month we have the honor of
having Brian DeLacey return to give another interesting talk.

What's a Rubyist to do when great environments come along but don't
(yet) support Ruby? Google App Engine, for instance, only supports
Python. Well, of course - Learn Python! It's easy.

This meeting will give a quickstart intro to Python for the Rubyist.
We'll then take a look at "Hello World" running on Google's App Engine.
You may leave wondering whether Django is Python's jazz improvisation of
Rails.

To keep things environmentally friendly, we'll do the demos on a newly
built, energy efficient PC running Ubuntu and using a just a few watts
of power with Intel's new Atom processor. We'll also spend a little time
talking about how simple, fun, and inexpensive it was to build this
powerful little Atomizer. You may find "atomic power" is a great way to
experiment with Ruby and learn Python.

Finally, there will be free book giveaways, courtesy of O'Reilly's user
group program. The books will be on the topics of Python and web
development.

WHEN: Tuesday, June 17, 2008. 7-9 PM.
WHERE: RMC Research Offices, 1000 Market Street, Portsmouth, NH.

For a map and driving directions, see our wiki site:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com


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[GNHLUG] NHRuby meeting Tuesday, Jun 17: Google App Engine and more!

[Scott Garman]

The NH Ruby and Rails User Group will hold its June 2008 meeting at the
usual spot, RMC Research in Portsmouth. This month we have the honor of
having Brian DeLacey return to give another interesting talk.

What's a Rubyist to do when great environments come along but don't
(yet) support Ruby? Google App Engine, for instance, only supports
Python. Well, of course - Learn Python! It's easy.

This meeting will give a quickstart intro to Python for the Rubyist.
We'll then take a look at "Hello World" running on Google's App Engine.
You may leave wondering whether Django is Python's jazz improvisation of
Rails.

To keep things environmentally friendly, we'll do the demos on a newly
built, energy efficient PC running Ubuntu and using a just a few watts
of power with Intel's new Atom processor. We'll also spend a little time
talking about how simple, fun, and inexpensive it was to build this
powerful little Atomizer. You may find "atomic power" is a great way to
experiment with Ruby and learn Python.

WHEN: Tuesday, June 17, 2008. 7-9 PM.
WHERE: RMC Research Offices, 1000 Market Street, Portsmouth, NH.

For a map and driving directions, see our wiki site:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com


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Re: new library books

[Scott Garman]

I have a number of technical and programming books I'd be willing to 
donate to the group. Who do I contact about this?

Scott
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[GNHLUG] NHRuby meeting change of plans.

[Scott Garman]

I regret to say that I will be unable to attend and present at tonight's
NHRuby user group meeting. Nick Plante, however, will still be giving
his talk on Rack. You can expect the meeting to wrap up around 8pm
instead of 9pm this evening.

I apologize for the sudden change of plans and short notice.

Scott Garman


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[GNHLUG] NHRuby.org Meeting TOMORROW, May 20: Rack and NetBeans.

[Scott Garman]

The NH Ruby and Rails User Group will hold its May 2008 meeting at the
usual location, RMC Research in Portsmouth. This month the meeting
topics will include an overview of Rack and getting the most out of
NetBeans 6.1.

Nick Plante will give a presentation on Rack, a modular web server
interface for Ruby. Similar to Python's WSGI, Rack helps to abstract the
interface between your web servers and application servers, providing a
common gateway interface for low level HTTP operations. This allows you
to build a web framework that runs on any number of web app servers
which are also Rack-compliant.

http://rack.rubyforge.org

Scott Garman will give a live demo of the NetBeans 6.1 IDE, discussing
some of the recent improvements with v6.1 as well as tips for maximizing
your efficiency while using NetBeans for Rails and web development. It
will include an example of debugging a Rails application.

http://www.netbeans.org

WHEN: Tuesday, May 20, 2008. 7-9 PM.
WHERE: RMC Research Offices, 1000 Market Street, Portsmouth, NH.

For a map and driving directions, see our wiki site:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com





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NPR station WBUR Boston adds support for free audio standard

[Scott Garman]

Some good news Ogg adoption by a (somewhat) local radio station.

Scott

 Original Message 
Subject: [FSF] NPR station WBUR Boston adds support for free audio standard
Date: Wed, 14 May 2008 14:19:09 -0400
From: Joshua Gay <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], 
[EMAIL PROTECTED], [EMAIL PROTECTED]

NPR station WBUR Boston adds support for free audio standard

BOSTON, Massachusetts, USA -- May 14, 2008 -- The Free Software
Foundation (FSF) has marked a milestone in their PlayOgg.org
campaign with the announcement that National Public Radio (NPR) news
station WBUR Boston has begun worldwide webcasting in the free audio
format Ogg Vorbis.

Robin Lubbock, WBUR's director of new media said, "WBUR has a great
schedule of news and information programming 24 hours a day, which we
are very happy to make available to Ogg Vorbis listeners. It's
exciting to work with the Free Software Foundation to give a new
audience the chance to listen to WBUR's award winning programing as
well as the wonderful programs from NPR and the BBC Worldservice that
you can find daily on WBUR."

Peter Brown, executive director of the FSF, responded to the news
stating, "I would like to thank WBUR general manager Paul La Camera,
for so graciously listening to the case we made for free audio
standards. The leadership displayed by WBUR in providing a free audio
format will help to bring this issue the national attention and
recognition it deserves, and will serve as a vital step in educating
the public and other publicly funded radio stations. We urge NPR
listeners to stream WBUR's Ogg Vorbis stream, and to acknowledge and
thank WBUR for this work when making your contributions."

Unlike MP3, Windows Media, Real Audio or Quicktime, Ogg Vorbis is not
restricted by software patents. The threat of these patent lawsuits
chills independent development of multimedia software tools. The use
of unencumbered formats like Ogg Vorbis is necessary for providing
access to publicly funded news and other programming without
dependence on the patent-holding corporations and proprietary software
vendors.

Patent-encumbered formats owned by companies like Microsoft and Apple
require listeners to use non-free software; controlled by them, not by
the users. They design their software to restrict the users and spy on
their activities. If users choose Ogg Vorbis for audio and Ogg Theora
for video, they can use many different media players, including free
software designed to respect their freedom and privacy.

Joshua Gay, FSF campaigns manager explained the campaign, "[i]t is
time for our publicly funded broadcasters to take seriously the impact
their decisions to webcast only in proprietary formats have on the
future of free unencumbered audio standards. Today, WBUR has made an
important commitment to free standards, and we are now working with
other publicly funded broadcasters to follow their example".

The WBUR stream is available at , or you
can go directly to .

Resources and a mailing list to track related events can be found at
. Technical details about the Ogg Vorbis format
are at 

#About The Free Software Foundation

The Free Software Foundation, founded in 1985, is dedicated to
promoting computer users' right to use, study, copy, modify, and
redistribute computer programs. The FSF promotes the development and
use of free (as in freedom) software -- particularly the GNU operating
system and its GNU/Linux variants -- and free documentation for free
software. The FSF also helps to spread awareness of the ethical and
political issues of freedom in the use of software, and its Web sites,
located at fsf.org and gnu.org, are an important source of information
about GNU/Linux. Donations to support the FSF's work can be made at
. Its headquarters are in Boston, MA, USA.


#Media Contacts

Joshua Gay
Campaigns Manager
Free Software Foundation
617-542-5942×19
<[EMAIL PROTECTED]>

###
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Re: [GNHLUG] NHRuby.org Meeting Tuesday, May 20: Rack and NetBeans.

[Scott Garman]

Scott Garman wrote:
> WHEN: Tuesday, April 15, 2008. 7-9 PM.
> WHERE: RMC Research Offices, 1000 Market Street, Portsmouth, NH.
> 
> For a map and driving directions, see our wiki site:
> 
> http://wiki.nhruby.org/index.php/Upcoming_meetings

Please note - the date was wrong in the body of the message. This 
meeting will be next Tuesday, May 20, from 7-9 pm.

Sorry for the potential confusion.

Scott
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[GNHLUG] NHRuby.org Meeting Tuesday, May 20: Rack and NetBeans.

[Scott Garman]

The NH Ruby and Rails User Group will hold its May 2008 meeting at the
usual location, RMC Research in Portsmouth. This month the meeting
topics will include an overview of Rack and getting the most out of
NetBeans 6.1.

Nick Plante will give a presentation on Rack, a modular web server
interface for Ruby. Similar to Python's WSGI, Rack helps to abstract the
interface between your web servers and application servers, providing a
common gateway interface for low level HTTP operations. This allows you
to build a web framework that runs on any number of web app servers
which are also Rack-compliant.

http://rack.rubyforge.org

Scott Garman will give a live demo of the NetBeans 6.1 IDE, discussing
some of the recent improvements with v6.1 as well as tips for maximizing
your efficiency while using NetBeans for Rails and web development. It
will include an example of debugging a Rails application.

http://www.netbeans.org

WHEN: Tuesday, April 15, 2008. 7-9 PM.
WHERE: RMC Research Offices, 1000 Market Street, Portsmouth, NH.

For a map and driving directions, see our wiki site:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com



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Converting mailboxes from mbox to maildir.

[Scott Garman]

Since the subject of IMAP servers has come up, I thought I'd ask about 
something I really need to get around to soon. I have issues with mbox 
corruption about 1-2 times per year, and still haven't made the switch 
to Maildir. I'd like to do it before I get an urgent crisis again. :)

I'm using dovecot as my IMAP/POP server. Does anyone know if it's 
possible for it to work with both mbox and Maildir at the same time so I 
can convert my users' mailboxes one user account at a time? From my 
research so far I'm under the impression that I can configure doevcot to 
use either mbox or Maildir for all user accounts, but not both.

War stories and other advice on migrating from mbox to Maildir are welcome.

Thanks,

Scott
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Any ZigBee/Bluetooth users?

[Scott Garman]

I'm doing some research on low-power embedded wireless technologies. 
I've found a lot of useful information, but little to nothing on the 
Real World bandwidth and range of these technologies. If anyone on this 
list has used ZigBee or Bluetooth in embedded applications, please drop 
me a line.

Thanks,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com
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Re: Cheat sheets

[Scott Garman]

Drew Van Zandt wrote:
> Sort of a global man... shouldn't the syntax be:
> 
> god strftime

Interestingly, there is a commonly used Ruby program named god, which is 
effectively a clone of Monit with Ruby-friendly configuration. :)

http://god.rubyforge.org/

http://tildeslash.com/monit/

I personally still use monit and haven't bothered to make the switch.

Scott

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Cheat sheets

[Scott Garman]

Labitt, Bruce wrote:
> Thanks for the toolbox link.  I used to have a cribsheet like this a
> long time ago (and lost it).  



> This, and other helpful tips, can be found at:
> http://cb.vu/unixtoolbox.xhtml

Handy link. I thought I'd mention a neat concept for sharing cheat 
sheets that the Ruby community uses.

http://cheat.errtheblog.com/

This little gem (literally - ruby utilities such as this are distributed 
as packages called 'gems') will accept a command line argument and 
search a wiki for community-generated cheat sheets. I used this the 
other night at the NHRuby meeting to look up the strftime() format 
options with a simple:

cheat strftime

You can see a list of existing cheat sheets that the cheat gem can 
currently display here:

http://cheat.errtheblog.com/b

Scott

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[GNHLUG] NHRuby.org Meeting TOMORROW, April 15: mod_rails and a live hackfest/help session.

[Scott Garman]

We can't help you with your taxes, but we can help you with your Ruby
code! What better way of celebrating mailing off your taxes (or filing
for an extension) but by attending the April meeting of the NH Ruby and
Rails User Group? :)

This month, we're going to start off with a short presentation on the
new mod_rails Apache module (aka "Passenger"). Nick Plante will discuss
his experience getting his servers set up with it, and the likely
revolutionary changes and simplification we will see in Rails
deployments due to this project.

Next, the live hacking begins. Have you been working on a Ruby script
that isn't working the way you expect? Trying out a Rails tutorial and
running into problems? Bring your code and a laptop to our meeting and
we'll work together to solve these problems and teach each other
principles, techniques and tools for Ruby development.

In the event that we run out of attendee-driven problems to work on,
Scott Garman and Nick Plante will demonstrate how to contribute to an
open source Rails project by fixing bugs and increasing test code
coverage. Applications may include the Mephisto blogging software,
Radiant content management system, DataMapper alternative ORM, and Rails
itself (we're keeping our options open - there won't be time for all of
these).

WHEN: Tuesday, April 15, 2008. 7-9 PM.
WHERE: RMC Research Offices, 1000 Market Street, Portsmouth, NH.

For a map and driving directions, see our wiki site:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com
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[GNHLUG] NHRuby.org Meeting on Tuesday April 15: Live hackfest and help session.

[Scott Garman]

We can't help you with your taxes, but we can help you with your Ruby
code! What better way of celebrating mailing off your taxes (or filing
for an extension) but attending the April meeting of the NH Ruby and
Rails User Group?

This month, we're going to do something especially fun. Have you been
working on a Ruby script that isn't working the way you expect? Trying
out a Rails tutorial and running into problems? Bring your code and a
laptop to our meeting and we'll work together to solve these problems
and teach each other principles, techniques and tools for Ruby development.

In the event that we run out of attendee-driven problems to work on,
Scott Garman and Nick Plante will demonstrate how to contribute to an
open source Rails project by fixing bugs and increasing test code
coverage. We're still selecting the app, and will include it in the
second meeting announcement this coming weekend.

WHEN: Tuesday, April 15, 2008. 7-9 PM.
WHERE: RMC Research Offices, 1000 Market Street, Portsmouth, NH.

For a map and driving directions, see our wiki site:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com
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Open source help desk/ticketing/bug tracking/asset management software.

[Scott Garman]

Since the topic of help desk and asset management software has come up 
on this list recently, I thought I'd forward along a long list of OSS 
web applications that handle these tasks:

http://www.opensourcehelpdesklist.com/

Lots of stuff on it I wasn't aware of.

Scott
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Re: Avoiding ssh host key lookups for your home subdomain?

[Scott Garman]

Cole Tuininga wrote:
> On Wed, 2008-04-02 at 11:17 -0400, Scott Garman wrote:
>> I recently posted this on my blog, but figured that if there was anyone 
>> I knew who could come up with a better solution, it would be someone on 
>> this list...
> 
> Why not just give known devices a static IP out of the dhcp pool?

That's a good suggestion too. In my case, I'm frequently reinstalling 
the OS on the devices on my network, and new ssh keys get generated on 
each reinstall. This happens at least a couple of times per week.

Regards,

Scott

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Re: Avoiding ssh host key lookups for your home subdomain?

[Scott Garman]

Bruce Dawson wrote:
> You can pre-load the host keys in /etc/ssh/ssh_known_hosts. (Don't
> forget to prefix each line with the hostname/IP address; yes - you can
> use wildcards - see sshd(8)).

Thanks for the reply, Bruce. Unfortunately my problem is that I want to 
avoid the host key lookups entirely. I'm doing embedded development and 
I routinely bring up new devices on my network with new ssh keys. 
Preloading keys would work for most home user environments, but not the 
one I'm working in. I should have mentioned that in my initial post.

Regards,

Scott

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Avoiding ssh host key lookups for your home subdomain?

[Scott Garman]

I recently posted this on my blog, but figured that if there was anyone 
I knew who could come up with a better solution, it would be someone on 
this list...

Scott



Secure shell (ssh) uses cryptographic keys to uniquely identify 
(fingerprint) the hosts that you connect to. Once you connect to a new 
host, the fingerprint string is added to a file called known_hosts in 
your ~/.ssh directory. Then, every time you reconnect to that host, the 
fingerprint is checked to ensure it hasn’t changed.

This is an important security feature, because if the saved fingerprint 
doesn’t match, it could be because someone is maliciously spoofing the 
server you’re trying to connect to as part of a man-in-the-middle (MITM) 
type attack. However, in this modern age, some of us have local networks 
with numerous devices/laptops which change their IP address regularly 
due to DHCP. When this happens and you ssh to a device now using the 
same IP that a previous device used (and for which you have the host 
fingerprint saved), you get a nastygram from ssh and it refuses to allow 
you to connect to the device. Then you must clear the fingerprint from 
your ~/.ssh/known_hosts file and reconnect. This gets old really quickly.

So I spent some time today reviewing ssh configuration options to 
disable this host key checking for my home network subnet. Upon first 
glance, the StrictHostKeyChecking option seems like the one you’d want 
to change, but in fact setting it to “no” still does not allow you to 
ssh to a host when the saved fingerprint doesn’t match up.

In resignation, I instead hacked up a different solution, and now tell 
ssh to use /dev/null instead of ~/.ssh/known_hosts as where to save host 
keys for my local subnet. If anyone knows a better solution to this, 
please enlighten me. Here is my final ~/.ssh/config file:

Host 192.168.1.*
StrictHostKeyChecking no
UserKnownHostsFile /dev/null

Note that for hosts outside of my home subnet, the host key checking is 
still enforced (as it should be).
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NHRuby online meeting about to begin.

[Scott Garman]

FYI, the NH Ruby and Rails User group is setting up the WebEx online
meeting. The meeting is from 7-9pm, and instructions for connecting can
be found at:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Scott

-- 
Scott Garman
sgarman at zenlinux dot com
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[GNHLUG] NHRuby.org Meeting on Tuesday, Mar 11: A comparison between Rails and Django.

[Scott Garman]

Due to limited availability of our conference room, we will be meeting
this month on the *second* Tuesday of the month, March 11.

This month, Brian Turnbull will be talking about Rails and Django,
illustrating differences and similarities by developing a web
application in each framework. Topics for comparison include:

* Application creation
* Model, View, Controller (MVC) components
* Object Relational Mappers (ORM)
* Extending the schema/models
* User Sessions
* Authentication, Authorization, and Accounting (AAA)
* Caching

Rails is a full-stack framework for developing database-backed web
applications according to the Model-View-Control pattern.
[http://rubyonrails.org]

Django is a high-level Python Web framework that encourages rapid
development and clean, pragmatic design. [http://djangoproject.com]

WHEN: Tuesday, March 11, 2008. 7-9 PM.
WHERE: RMC Research Offices, 1000 Market Street, Portsmouth, NH.

For a map and driving directions, see our wiki site:

http://wiki.nhruby.org/index.php/Upcoming_meetings

This month we're trying something new and will be broadcasting the
meeting live via WebEx. Detailed instructions on how to join the online
meeting are also posted on the wiki. Please bear with us if things don't
go smoothly, this is an experiment. :)

Regards,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com
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[GNHLUG] NHRuby.org Meeting next Tuesday, Mar 11: A comparison between Rails and Django.

[Scott Garman]

Due to limited availability of our conference room, we will be meeting
this month on the *second* Tuesday of the month, March 11.

This month, Brian Turnbull will be talking about Rails and Django,
illustrating differences and similarities by developing a web
application in each framework. Topics for comparison include:

* Application creation
* Model, View, Controller (MVC) components
* Object Relational Mappers (ORM)
* Extending the schema/models
* User Sessions
* Authentication, Authorization, and Accounting (AAA)
* Caching

Rails is a full-stack framework for developing database-backed web
applications according to the Model-View-Control pattern.
[http://rubyonrails.org]

Django is a high-level Python Web framework that encourages rapid
development and clean, pragmatic design. [http://djangoproject.com]

WHEN: Tuesday, March 11, 2008. 7-9 PM.
WHERE: RMC Research Offices, 1000 Market Street, Portsmouth, NH.

For a map and driving directions, see our wiki site:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com


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[GNHLUG] NHRuby.org Meeting TOMORROW, Feb 19: Lightning Talks!

[Scott Garman]

The meeting location has been confirmed, so the meeting is still on.

For our February meeting, the NH Ruby and Rails user group will be
hosting a series of "Lightning Talks" - short and to the point
presentations on just about any topic related to Ruby, Rails, and the
development process. All members are welcome and encouraged to present a
lightning talk at this meeting.

The currently planned lightning talks include:

* A demonstration of various ways of looking up Ruby and Rails
documentation.
* Mapping and geocoding with Rails.
* Using piston to manage your Rails plugins.
* Writing an AOL Instant Messenger (AIM) bot in Ruby.
* Using Sphinx to do full text searches.

WHEN: Tuesday, February 19, 2008. 7-9 PM.
WHERE: RMC Research Offices, 1000 Market Street, Portsmouth, NH.

For a map and driving directions, see our wiki site:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com
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[GNHLUG] NHRuby.org Meeting on Tuesday, Feb 19: Lightning Talks!

[Scott Garman]

Note: There is a *slight* chance that our meeting location won't be
available next Tuesday. If that is the case, I will send out an
announcement as soon as I find out for certain.

For our February meeting, the NH Ruby and Rails user group will be
hosting a series of "Lightning Talks" - short and to the point
presentations on just about any topic related to Ruby, Rails, and the
development process. All members are welcome and encouraged to present a
lightning talk at this meeting. More details on the lightning talk
topics planned will be sent out late this weekend.

WHEN: Tuesday, January 15, 2008. 7-9 PM.
WHERE: RMC Research Offices, 1000 Market Street, Portsmouth, NH.

For a map and driving directions, see our wiki site:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com
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VMWare alternative.

[Scott Garman]

With all this discussion of VMWare, I thought I'd mention that there is 
a fully open source alternative to it that I just discovered. It's 
called VirtualBox:

http://www.virtualbox.org/

I've been using it alongside with VMWare Workstation 5.5 and don't 
notice any performance differences, which really surprised me. It's been 
rock solid running WinXP on top of Ubuntu. It also offers "seamless 
window" mode where you can open Windows application windows alongside 
your Linux apps. Very handy for doing things like cross-browser testing 
of web applications.

This may be old news to some, but I'm pretty excited about it.

Scott

-- 
Scott Garman
sgarman at zenlinux dot com
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[GNHLUG] NHRuby.org January meeting summary.

[Scott Garman]

The first NH Ruby and Rails User Group meeting of 2008 was attended by
seven people interested in OpenID and ActionMailer.

Nick Plante gave an introduction to OpenID, discussing its benefits and
current use on the 'net, and then dove into an example of using OpenID
in a Ruby on Rails application.

Scott Garman also gave a talk on ActionMailer, the Ruby on Rails
component that sends and receives email. This talk included code
examples from a live production Rails app, including testing practices
for both unit and functional/integration testing.

Both presentations have PDF slides that are available for download from
the NHRuby wiki:

http://wiki.nhruby.org/index.php/Past_meetings

At the end of the meeting, discussion turned toward possible future
meeting topics, which may include:

* Behavior driven development with rspec.
* Deploying Rails applications with JRuby.
* Geocoding applications with Ruby.
* Alternate frameworks and ORMs, such as Merb, Nitro, and DataMapper.
* Comparing Django and Rails as web development frameworks.

Feel free to reply to this post and add your own suggestions!

Until next month...

Scott

-- 
Scott Garman
sgarman at zenlinux dot com
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[GNHLUG] NHRuby.org Meeting TOMORROW, Jan 15: OpenID and ActionMailer.

[Scott Garman]

Tomorrow evening, the NH Ruby and Rails User Group will be meeting in
Portsmouth, NH. This month, we have two meeting topics: OpenID and
ActionMailer.

Nick Plante will be talking about OpenID and how to make your Ruby on
Rails application work with it.

What is OpenID? From http://www.openid.net/what/:

OpenID is an open and decentralized framework for digital identity.
OpenID eliminates the need for multiple usernames across different
websites, simplifying your online experience. You get to choose the
OpenID Provider that best meets your needs and most importantly that you
trust. At the same time, your OpenID can stay with you, no matter which
Provider you move to. And best of all, the OpenID technology is not
proprietary and is completely free.

Additionally, Scott Garman will give an overview of ActionMailer, the
Ruby on Rails component which handles sending and receiving e-mail.
Scott's presentation will include production code examples from
CampaignLever, a web application he has been working on.

WHEN: Tuesday, January 15, 2008. 7-9 PM.
WHERE: RMC Research Offices, 1000 Market Street, Portsmouth, NH.

For a map and driving directions, see our wiki site:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com
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[GNHLUG] NHRuby.org Meeting on Tuesday, Jan 15: OpenID and ActionMailer.

[Scott Garman]

It's just about time for the first NHRuby.org meeting of 2008! This
month, have two meeting topics: OpenID and ActionMailer.

Nick Plante will be talking about OpenID and how to make your Ruby on
Rails application work with it.

What is OpenID? From http://www.openid.net/what/:

OpenID is an open and decentralized framework for digital identity.
OpenID eliminates the need for multiple usernames across different
websites, simplifying your online experience. You get to choose the
OpenID Provider that best meets your needs and most importantly that you
trust. At the same time, your OpenID can stay with you, no matter which
Provider you move to. And best of all, the OpenID technology is not
proprietary and is completely free.

Additionally, Scott Garman will give an overview of ActionMailer, the
Ruby on Rails component which handles sending and receiving e-mail.
Scott's presentation will include production code examples from
CampaignLever, a web application he has been working on.

WHEN: Tuesday, January 15, 2008. 7-9 PM.
WHERE: RMC Research Offices, 1000 Market Street, Portsmouth, NH.

For a map and driving directions, see our wiki site:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com


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Open source shopping cart webapp for subscription payments?

[Scott Garman]

I'm wondering if anyone on this list has experience with open source
ecommmerce shopping cart applications, such as Zen Cart?

I'm looking for something to manage recurring subscription service
billing (monthly), and which has support for Authorize.net (mandatory)
and PayPal (strongly desired).

Thanks,

Scott

-- 
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sgarman at zenlinux dot com
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[GNHLUG] NHRuby.org Meeting on TONIGHT Nov. 12: Reporting with Rails.

[Scott Garman]

Tonight's NHRuby.org meeting topic will be on reporting using Ruby on
Rails. Guest speaker David Berube will cover using ActiveRecord to
retrieve data from a database and demonstrate the use of Ruport, Gruff,
and css_helper to present it. David is a resident of New Hampshire and
the author of Practical Ruby Gems and the upcoming book Practical
Reporting with Ruby and Rails, both published by Apress.

Scott Garman will also give a brief demonstration of monit, a powerful
utility that can monitor processes and files and manage them
automatically when certain trigger points are hit (e.g, RAM or CPU
usage). Scott's demo will specifically cover how he uses monit to ensure
Mongrel processes behave themselves.

WHEN: Monday, November 12, 2007. 7-9 PM.
WHERE: RMC Research Offices, 1000 Market Street, Portsmouth, NH.

For a map and driving directions, see our wiki site:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com



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[GNHLUG] NHRuby.org Meeting on Monday Nov. 12: Reporting with Rails.

[Scott Garman]

This month's NHRuby.org meeting topic will be on reporting using Ruby on
Rails. Guest speaker David Berube will cover using ActiveRecord to
retrieve data from a database and demonstrate the use of Ruport, Gruff,
and css_helper to present it. David is a resident of New Hampshire and
the author of Practical Ruby Gems and the upcoming book Practical
Reporting with Ruby and Rails, both published by Apress.

Scott Garman will also give a brief demonstration of monit, a powerful
utility that can monitor processes and files and manage them
automatically when certain trigger points are hit (e.g, RAM or CPU
usage). Scott's demo will specifically cover how he uses monit to ensure
Mongrel processes behave themselves.

WHEN: Monday, November 12, 2007. 7-9 PM.
WHERE: RMC Research Offices, 1000 Market Street, Portsmouth, NH.

For a map and driving directions, see our wiki site:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com
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[GNHLUG] Reminder: NHRuby.org November meeting on Monday, Nov. 12.

[Scott Garman]

This is just a short reminder that our monthly meeting during November
is not on the third Tuesday of the month, but Monday, November 12.

The meeting topic will be reporting using Ruby on Rails, with guest
speaker and author David Berube. More details:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Scott

-- 
Scott Garman
sgarman at zenlinux dot com


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Re: Books are dead thread: Bookpool features APress @ 50%

[Scott Garman]

Ted Roche wrote:
> It could be desperation, or it could be fall cleaning, but BookPool is
> featuring Apress and "Friends of Ed" books at 50% this month, including
> the book I'll be pushing in my CSS sessions next month:
> 
> http://www.bookpool.com
> 
> Cascading Style Sheets: Separating Content from Presentation
> 
> http://www.bookpool.com/sm/159059231X

Nice - I've always used Bookpool for technical books. They're based in
MA, so even their free/budget shipping option only takes a few days to
arrive.

A CSS book I enjoyed from a beginner perspective is Collison's Beginning
CSS Web Development. I wrote a review of this book on Bookpool's site as
well.

http://www.bookpool.com/sm/1590596897

Scott

-- 
Scott Garman
sgarman at zenlinux dot com
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[GNHLUG] NHRuby.org Meeting TONIGHT, Oct 16: Rails Deployments & More

[Scott Garman]

Tonight's NHRuby.org meeting topic will be on deploying Ruby on Rails
applications. While back in May our meeting focus was on using
Capistrano as our primary deployment tool, this month Scott Garman will
be demonstrating a simpler application to manage Rails deployments,
called "Vlad the Deployer":

http://www.rubyhitsquad.com/Vlad_the_Deployer.html

Vlad the Deployer "targets the 80% use case" of deployments and boasts
an engine written in less than 500 lines of code. Is simpler always
better? Drop by our meeting and find out!

Scott will also be discussing various Rails-related tidbits he's been
working with recently, such as how to upgrade your Rails application
when a new version is released, and using rcov to generate code coverage
reports from your tests.

Anyone who attends the meeting will be offered special coupon codes
from Linode if they're interested. The coupons give you two months of
free service after purchasing one month of their Virtual Private Server
(VPS) hosting. Linode sponsored the recent Rails Rumble and Nick Plante
had many good things to say about them.

WHEN: Tuesday, October 16, 2007. 7-9 PM.
WHERE: RMC Research Offices, 1000 Market Street, Portsmouth, NH.

For a map and driving directions, see our wiki site:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com







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[GNHLUG] NHRuby.org Meeting on Tuesday, Oct 16: Rails Deployments & More

[Scott Garman]

This month's NHRuby.org meeting topic will be on deploying Ruby on Rails
applications. While back in May our meeting focus was on using
Capistrano as our primary deployment tool, this month Scott Garman will
be demonstrating a simpler application to manage Rails deployments,
called "Vlad the Deployer":

http://www.rubyhitsquad.com/Vlad_the_Deployer.html

Vlad the Deployer "targets the 80% use case" of deployments and boasts
an engine written in less than 500 lines of code. Is simpler always
better? Drop by our meeting and find out!

Scott will also be discussing various Rails-related tidbits he's been
working with recently.

Anyone who attends the meeting will be offered special coupon codes
from Linode if they're interested. The coupons give you two months of
free service after purchasing one month of their Virtual Private Server
(VPS) hosting. Linode sponsored the recent Rails Rumble and Nick Plante
had many good things to say about them.

WHEN: Tuesday, October 16, 2007. 7-9 PM.
WHERE: RMC Research Offices, 1000 Market Street, Portsmouth, NH.

For a map and driving directions, see our wiki site:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com


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eSATA PCI card

[Scott Garman]

Can anyone recommend a SATA controller PCI card that meets the following
requirements?:

* Compatible with Ubuntu Feisty Fawn or later (Feisty uses kernel 2.6.20).
* Has at least one external SATA port.
* Is available locally or on NewEgg.

I'm just looking for something simple to use with an external hard drive
that has an eSATA port.

Thanks,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com
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[GNHLUG] NHRuby.org Meeting TOMORROW, Sep 25: Live Coding Session, Part II.

[Scott Garman]

Tomorrow's NH Ruby/Rails User Group meeting will include a continuation
of the live coding project Nick Plante and Scott Garman started during
the July meeting. This project was to develop a web application where
group members could submit proposed topics for future meetings, and vote
on their favorites.

This month, Nick Plante will demonstrate how to add the voting system to
the application. Nick will use an AJAX-based 5-star voting system that
you may have seen on many product review sites.

Scott Garman will give an introduction to the Rails testing framework,
demonstrating how unit, functional, and integration tests are written.
Scott will also demo some useful third-party tools that make testing
easier and faster, and how they integrate with the NetBeans IDE.

WHEN: Tuesday, September 25, 2007. 7-9 PM.
WHERE: RMC Research Offices, 1000 Market Street, Portsmouth, NH.

For a map and driving directions, see our wiki site:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com


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[GNHLUG] NHRuby.org September meeting delayed one week.

[Scott Garman]

The NH Ruby/Rails User Group will hold its next meeting on Tuesday,
September 25, 2007. Please note that this is one week later than our
usual schedule of the third Tues. of the month.

I'll send out the usual meeting announcement late next week.

Scott

-- 
Scott Garman
sgarman at zenlinux dot com


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[GNHLUG] NHRuby.org Meeting TOMORROW, Aug 21: Writing Desktop Ruby Apps

[Scott Garman]

It's time for another meeting of the NH Ruby/Rails User Group! This
month, Brian DeLacey will be coming up from Boston to give a
demonstration of Shoes - "a Tiny Toolkit for Making Web-like Desktop Apps":

http://code.whytheluckystiff.net/shoes/

Brian will also talk more generally about creating desktop GUI
applications using Ruby, including how to use the the Ruby GTK+/GNOME
libraries.

We'll also be talking about the upcoming Ruby East conference, and the
2-day Rails Rumble programming contest, both happening in September.

http://www.ruby-east.com/rubyeast/

http://www.railsrumble.com/

WHEN: Tuesday, August 21, 2007. 7-9 PM.
WHERE: RMC Research Offices, Portsmouth, NH.

For a map and driving directions, see our wiki site:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com
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NHRuby.org July meeting summary.

[Scott Garman]

A total of seven folks dropped by the July meeting of NHRuby.org, and
were treated to a live coding session by Nick Plante and Scott Garman to
create a Rails-based web application for tracking proposed meeting topics.

Models were created, database migrations were demonstrated, RESTful
design was explained and used throughout, and the process for debugging
problems as they inevitably cropped up was shown. A good time was had by
all!

While we managed to get the application working with a user account
system and the ability to save topics, the voting system has yet to be
added. So next month, we will continue this process by adding a spiffy
AJAX-enabled "1 to 5 star" voting system for the proposed meeting
topics. We will also demonstrate how to write unit, functional, and
integration tests for this Rails application (which has yet to be named).

Don't worry if you didn't attend the July meeting - we'll give a quick
overview of the app at the start of the August meeting and it shouldn't
be difficult to follow along.

http://wiki.nhruby.org

Cheers,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com
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[GNHLUG] NHRuby.org Meeting TOMORROW, July 17: Live Coding Session

[Scott Garman]

Sorry about the late notice - I've been traveling since last Thursday.
So I'll keep this short and to the point.

WHEN: Tuesday, July 17, 2007. 7-9 PM.
WHERE: RMC Research Offices, Portsmouth, NH

WHAT: This month's meeting will consist of a live coding session where
group members Scott Garman and Nick Plante will develop from scratch a
Rails-based web application suggested by member Brian Buckley.

This application will be used to allow members to submit desired meeting
topics for the NH Ruby User Group, allowing registered members to vote
on topics.

This will be a very interactive, beginner-friendly session where the
audience is encouraged to ask questions and help guide the development
of this application.

Also, a copy of Ajax on Rails, by Scott Raymond, will be given away,
thanks to O'Reilly's user group program.

If this presentation proves to be successful, we will consider
continuing to work on this application for the August meeting as well.

For a map and driving directions, see our wiki site:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com


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NHRuby.org June meeting summary.

[Scott Garman]

Many thanks to those who attended the June meeting of the NH Ruby/Rails
User Group on Tuesday. We had a total of six attendees, but this was one
of the most engaged audiences yet. There was about as much group
discussion as there was presentation time, and by 9:30 we had to wrap
things up.

Our new meeting location at RMC Research is beautiful, to say the least.
As you walk through the main doors and up the stairs, you pass by a
museum-like arrangement of African masks, which are the collection of
RMC Research's owner. The inside of the building has a very open and
tasteful architecture, including the conference room, which has antique
furniture along its walls. This room can easily hold 20-30 people, and
the 62" plasma display is a great alternative to using an LCD projector.

Anyway, before I start sounding like a real estate agent, let's get on
to the meeting content. Scott Garman's overview and demonstration of
using the TabNav Rails plugin showed one of the many ways Rails can
abstract time consuming forms of HTML and CSS coding into simpler
methods for getting things done. Some notes from this presentation can
be found on our wiki:

http://wiki.nhruby.org/index.php/TabNav_Plugin

Nick Plante gave a great presentation on how to contribute to Rails open
source software projects. His overview included a discussion of the
political issues of getting a patch accepted as well as the mechanics of
generating a patch and submitting it to the project. PDF slides of his
presentation can be downloaded from:

http://www.nhruby.org/downloads/contributing_to_OSS_projects_nick_plante_jun07.pdf

Scott Garman then gave a short overview of some of the best screencasts
for Ruby on Rails developers. These links are great resources for
newcomers to Rails as well as experienced developers. They are
summarized on our wiki at:

http://wiki.nhruby.org/index.php/Ruby_and_Rails_Resources#Screencast_Tutorials

By this point we were running short on time, and Nick Plante gave a five
minute overview of his planned presentation on using Macromedia Flash
with Rails applications. Nick will be giving this complete presentation
during a future meeting.

Once again, I'd like to offer sincere thanks to Tim Golden of RMC
Research for helping make this new meeting location possible. We will be
returning to our third Tuesday of the month schedule for our July
meeting on 7/17.

JULY MEETING: Live Rails Coding Session

And what will our next meeting be on? We're going to do something really
fun. Nick Plante and Scott Garman will be offering to code up a live
application (or at least as much as we can during the meeting time) of
*your choosing*. That's right - join our discussion mailing list and
throw out a (reasonably simple) web application idea, and group members
will vote on which one to start coding during the July meeting! We hope
this will be a great way to teach the processes and philosophy of doing
agile web development with Ruby on Rails.

You can join our discussion list at:

http://mail.nhruby.org/mailman/listinfo/nhruby-discuss

Regards,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com



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Warning: Ubuntu kernel update renames hard drives.

[Scott Garman]

Just a warning to folks running Ubuntu Fiesty Fawn. A couple of days ago
a new kernel update was released (2.6.20-16). This update apparently
includes changes to how PATA drives are named in /dev. My PATA drive
used to be /dev/hda before the update. Now it's /dev/sdc.

I wish I had known that before I wrote to /dev/sdc, assuming it was my
CF card reader...

>:[

Scott

-- 
Scott Garman
sgarman at zenlinux dot com
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[GNHLUG] NHRuby.org Meeting TOMORROW, June 12: A Medley of Rails Topics

[Scott Garman]

The Ruby on Rails community is abuzz with new energy and excitement
after last month's RailsConf in Portland, OR. Check out what the NH Ruby
scene is up to by dropping by our June meeting!

WHEN: Tuesday, June 12, 2007. 7-9 PM.
WHERE: RMC Research Offices, Portsmouth, NH (see below for more info)

This month's meeting will include a medley of topics related to Ruby on
Rails:

* Contributing to Rails and Rails Open Source Software Projects -
Including an Examination of ActiveSupport's Delegation Module (Nick Plante).
* Rails and Macromedia Flash Interoperability - Getting Started with
ActionScript and RESTful Resources (Nick Plante).
* Using the TabNav Plugin to Generate Tabbed Navigation for Your Rails
App (Scott Garman).
* An overview of screencast tutorial resources for Rails developers
(Scott Garman).

And feel free to join us for a beer in Portsmouth afterwards!

PLEASE NOTE, DIFFERENT DATE AND LOCATION

Starting this month, we will be meeting at the offices of RMC Research
in Portsmouth, NH. We will be meeting in their second floor conference
room, which includes free wifi access and a 62-inch plasma display for
presentations.

For a map and driving directions, see our wiki site:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Also note, this month we are meeting on the second Tuesday of the month.
We will return to our normal third Tuesday of the month schedule in July.

Regards,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com




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[GNHLUG] NHRuby.org Meeting next Tuesday, June 12: A Medley of Rails Topics

[Scott Garman]

The Ruby on Rails community is abuzz with new energy and excitement
after last month's RailsConf in Portland, OR. Check out what the NH Ruby
scene is up to by dropping by our June meeting!

WHEN: Tuesday, June 12, 2007. 7-9 PM.
WHERE: RMC Research Offices, Portsmouth, NH (see below for more info)

This month's meeting will include a medley of topics related to Ruby on
Rails:

* Contributing to Rails and Rails Open Source Software Projects -
Including an Examination of ActiveSupport's Delegation Module (Nick Plante).
* Rails and Macromedia Flash Interoperability - Getting Started with
ActionScript and RESTful Resources (Nick Plante).
* Using the TabNav Plugin to Generate Tabbed Navigation for Your Rails
App (Scott Garman).
* Something else interesting and useful...TBA.

And feel free to join us for a beer in Portsmouth afterwards!

PLEASE NOTE, DIFFERENT DATE AND LOCATION

Starting this month, we will be meeting at the offices of RMC Research
in Portsmouth, NH. We will be meeting in their second floor conference
room, which includes free wifi access and a 62-inch plasma display for
presentations.

For a map and driving directions, see our wiki site:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Also note, this month we are meeting on the second Tuesday of the month.
We will return to our normal third Tuesday of the month schedule in July.

Regards,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com
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NHRuby.org May meeting summary.

[Scott Garman]

The NH Ruby/Rails user group met Tuesday night at the Portsmouth Public
Library for a presentation on how to deploy a Ruby on Rails application.
A total of six people attended, including three new faces.

Scott Garman gave a demo/tutorial on what's involved in deploying a Ruby
on Rails application to a production server. The deployment environment
consisted of Apache v2.2, mod_proxy_balancer, Mongrel, and MySQL. He
also spoke at length about Capistrano, a powerful tool for automating
deployments from your source code repository to production server(s).
Capistrano includes very useful features such as code rollbacks if you
discover new bugs in your deployed code base.

Scott has posted slides from this talk at the following url:

http://www.nhruby.org/downloads/how_to_deploy_rails_app_2007-05.pdf

Unfortunately, the slides lack a lot of context, as the presentation was
heavily based on live demonstrations.

Two copies of Agile Web Development with Rails and one copy of the Ruby
Cookbook were also given away, thanks to O'Reilly's user group support.

In other news, this was our last meeting at the Portsmouth Public
Library. We have found a local company which has offered us a regular
meeting location. The great folks at RMC Research in Portsmouth have
agreed to host our meetings in one of their conference rooms (one which
includes a nice 62" plasma display for presentations, I might add!).
Many thanks to Tim Golden at RMC for this assistance.

Our next meeting will be on the SECOND Tuesday of June, the 12th.
Afterwards we will be returning to our normal third Tuesday of the month
schedule. More details and directions will be included in the June
meeting announcements.

http://wiki.nhruby.org

Keep up to date by subscribing to our wiki's changelog RSS feed:

http://wiki.nhruby.org/index.php?title=Special:Recentchanges&feed=rss

Scott

-- 
Scott Garman
sgarman at zenlinux dot com
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[GNHLUG] NHRuby.org Meeting TUESDAY, May 15: How to Deploy a Ruby on Rails Application.

[Scott Garman]

This month, Scott Garman will be discussing one of the most common ways
of deploying Ruby on Rails applications. This will include a discussion
of a Rails deployment environment based on Apache v2.2,
mod_proxy_balancer, Mongrel, and MySQL.

After discussing the deployment environment, Scott will give an
introduction to Capistrano, a powerful tool for automating the
deployment of your Rails application from your source code repository to
your deployment server(s). Capistrano is a general-purpose tool written
in Ruby that also has many uses in systems administration.

This is a beginner-friendly presentation, so drop by and learn the ins
and outs of deploying Rails applications! There will also be FREE book
giveaways from O'Reilly.

WHEN: Tuesday, May 15, 2007. 7-9 PM.
WHERE: Portsmouth Public Library, MacLeod Board Room (2nd floor),
Portsmouth, NH.

For more details, including a map of the meeting location, see:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com
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[GNHLUG] NHRuby.org Meeting May 15: How to Deploy a Ruby on Rails Application.

[Scott Garman]

Now that we've dried out a bit from the wet weather...it's almost time
for another NHRuby.org meeting!

This month, Scott Garman will be discussing one of the most common ways
of deploying Ruby on Rails applications. This will include a discussion
of a Rails deployment environment based on Apache v2.2,
mod_proxy_balancer, Mongrel, and MySQL.

After discussing the deployment environment, Scott will give an
introduction to Capistrano, a powerful tool for automating the
deployment of your Rails application from your source code repository to
your deployment server(s). Capistrano is a general-purpose tool written
in Ruby that also has many uses in systems administration.

This is a beginner-friendly presentation, so drop by and learn the ins
and outs of deploying Rails applications! There will also be free book
giveaways from O'Reilly.

WHEN: Tuesday, May 15, 2007. 7-9 PM.
WHERE: Portsmouth Public Library, MacLeod Board Room (2nd floor),
Portsmouth, NH.

For more details, including a map of the meeting location, see:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott

-- 
Scott Garman
sgarman at zenlinux dot com
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Re: [GNHLUG] DLSLUG: May 3rd - Writing Firefox Extensions

[Scott Garman]

Michael ODonnell wrote:
> Dang!  I'd love to see this presentation (I've always been
> curious about how Firefox Extensions work, especially now that
> some of my favorites didn't get ported forward into the v2.x
> Firefox) but Dartmouth is too much of a hike for me.  If anybody
> gets good notes or URLs or video, I hope you'll share.

Ditto. I'd love to hear this talk at CentraLUG or SLUG.

Scott

-- 
Scott Garman
sgarman at zenlinux dot com
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NHRuby.org April meeting summary.

[Scott Garman]

The April meeting of the NH Ruby User Group was a bit more sparse than
usual, due no doubt to the flooding that was still ongoing the night of
April 17. A total of four people were in attendance.

Nick Plante and Scott Garman gave some great lightning talks on various
topics, including rake (Nick), RESTful web application design (Nick),
and a demo with code example walkthroughs of a Rails-based task manager
(Scott). Nick and Scott also gave enlightening demos of their
development environments, consisting of IntelliJ and jedit, respectively.

For future meeting info, keep an eye on our wiki site:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Cheers,

Scott

PS - If anyone has connections with any of the Portsmouth Public Library
trustees, please let me know. We're going to need to apply for a
5-meeting limit exemption by June in order to keep meeting at this
library for the rest of the year.

-- 
Scott Garman
sgarman at zenlinux dot com
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[GNHLUG] NHRuby.org Meeting TUESDAY, April 17: Lightning Talks!

[Scott Garman]

Chunky bacon - it's not just for breakfast, anymore! *

There's a storm moving in towards Portsmouth, NH on Tuesday night, and
it's the NHRuby.org Lightning Talks! Lightning talks are brief (5-15
minute) presentations which will be on Ruby-related topics.

Currently, Nick Plante and Scott Garman will be giving lightning talks
on topics including RESTful web applications (Nick), the RMagick
graphics library (Nick), and a demo of the Rails-based ProgressPuppy
task manager (Scott).

Lightning talks are a fun way of getting a quick overview of technology
highlights and interesting topics, and these talks are oriented to
beginner-level Rubyists.

Head on over to the Portsmouth Public Library for this electrifying
event! There will be free book giveaways too, thanks to O'Reilly.

WHEN: Tuesday, April 17, 2007. 7-9 PM.
WHERE: Portsmouth Public Library, Hilton Garden Inn Meeting Room (2nd
floor), Portsmouth, NH.

For more details, including a map of the meeting location, see:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott

* http://poignantguide.net/ruby/chapter-3.html

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sgarman at iname dot com
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[GNHLUG] NHRuby.org Meeting April 17: Lightning Talks!

[Scott Garman]

Q: How do you keep a programmer in the shower all day?
A: Give him a bottle of shampoo which says "lather, rinse, repeat."

:-D

It's just about time again for the monthly NHRuby.org meeting. This
month, we'll be hosting a series of "lightning talks," or brief (5-15
minute) presentations on Ruby-related topics.

Currently, Nick Plante and Scott Garman will be giving lightning talks
on topics including RESTful web applications (Nick), the RMagick
graphics library (Nick), and a demo of the Rails-based ProgressPuppy
task manager (Scott). If you'd like to give a lightning talk at this
meeting, please drop me a line and we can make sure a time slot is
reserved for you.

Lightning talks are a fun way of getting a quick overview of technology
highlights and interesting topics, and these talks are oriented to
beginner-level Rubyists.

WHEN: Tuesday, April 17, 2007. 7-9 PM.
WHERE: Portsmouth Public Library, Hilton Garden Inn Meeting Room (2nd
floor), Portsmouth, NH.

For more details, including a map of the meeting location, see:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott

PS - Nick and I will be at the Portsmouth eBrew event Thursday evening
(4/5) at the Press Room in Portsmouth, and will be distributing flyers
about NHRuby.org. (http://www.ecoast.org for more info)

-- 
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sgarman at iname dot com
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Dell Latitude D620 - any experiences?

[Scott Garman]

Is anyone here running Linux on a Dell Latitude D620 laptop? I'm
seriously considering buying one and have some specific questions for
someone currently using it.

Thanks,

Scott

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Re: NHRuby.org March meeting summary.

[Scott Garman]

Scott Garman wrote:
> Not only did Brian impress us with the ease with which you can use
> cryptography libraries in Ruby, but he also give us quick tours of the
> Camping mini-framework for web applications, and demo'd some basic
> features of Ruby on Rails in his financial portfolio management
> application.

I forgot to also mention that Brian went over Hpricot, which is a useful
library for doing HTML parsing, and specifically screen-scraping of
other web sites.

http://code.whytheluckystiff.net/hpricot/

Scott

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NHRuby.org March meeting summary.

[Scott Garman]

Thanks to everyone who attended last night's NHRuby.org meeting. A total
of 9 people, including four new faces, made it out to Portsmouth Public
Library for Brian DeLacey's presentation.

Not only did Brian impress us with the ease with which you can use
cryptography libraries in Ruby, but he also give us quick tours of the
Camping mini-framework for web applications, and demo'd some basic
features of Ruby on Rails in his financial portfolio management
application. Four people walked away with free books on security or Ruby
on Rails, thanks to O'Reilly's user group support.

To get announcements of future NHRuby.org meetings, please sign up on
our announcements mailing list:

http://mail.nhruby.org/mailman/listinfo/nhruby-announce

Or, keep an eye on our wiki site:

http://wiki.nhruby.org/index.php/Upcoming_meetings

I believe next month we're going to do a short series of "lighting
talks" from Nick Plante, Scott Garman, and anyone else who would like to
come up and give a short demo of something Ruby-related.

Cheers,

Scott

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[GNHLUG] NHRuby.org Meeting TUESDAY, March 20: Security and Cryptography in Ruby and Rails.

[Scott Garman]

Attention local Rubyists and crypto geeks! The third meeting of the
NHRuby.org user group is coming up in just a few days. This month we'll
have Brian DeLacey speaking about using crypto algorithms in your Ruby
code. He'll be demonstrating the Crypt library, which is written
entirely in Ruby.

http://rubyforge.org/projects/crypt/

The objective of this meeting is two-fold: to address some interesting
Ruby techniques and also walk through the basic structure and operations
of a Rails application. We'll have some Ruby and Rails books to raffle
off at the end of the meeting - special thanks to O'Reilly Media.

Brian is an excellent speaker and has been making the rounds giving
talks at many user groups in the Boston area. Mark your calendars, you
won't want to miss this presentation!

WHEN: Tuesday, March 20, 2007. 7-9 PM.
WHERE: Portsmouth Public Library, Hilton Garden Inn Meeting Room (2nd
floor), Portsmouth, NH.

For more details, including a map of the meeting location, see:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott

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[GNHLUG] NHRuby.org Meeting March 20: Security and Cryptography in Ruby and Rails.

[Scott Garman]

Attention local Rubyists! The third meeting of the NHRuby.org user group
is coming up soon. This month we'll have Brian DeLacey speaking about
using crypto algorithms in your Ruby code. He'll be demonstrating the
Crypt library, which is written entirely in Ruby.

http://rubyforge.org/projects/crypt/

The objective of this meeting is two-fold: to address some interesting
Ruby techniques and also walk through the basic structure and operations
of a Rails application. We'll have some Ruby and Rails books to raffle
off at the end of the meeting - special thanks to O'Reilly Media.

Brian is an excellent speaker and has been making the rounds giving
talks at many user groups in the Boston area. Mark your calendars, you
won't want to miss this presentation!

WHEN: Tuesday, March 20, 2007. 7-9 PM.
WHERE: Portsmouth Public Library, Hilton Garden Inn Meeting Room (2nd
floor), Portsmouth, NH.

For more details, including a map of the meeting location, see:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Regards,

Scott

-- 
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sgarman at iname dot com
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Re: Looking for an IP camera

[Scott Garman]

Jon 'maddog' Hall wrote:
> Howdy Dave,
> 
> I have a little TRENDnet camera (model TV-IP200W) that I got a while
> back.  Built-in web server and completely tunable from the web server.
> Works great with Linux, as it supports pictures through a Java applet in
> the web browser.
> 
> It also has connections for event triggers, and will email you pictures
> if a trigger happens.
> 
> http://www.trendnet.com/products/f_internetcameras.htm

I have the same model. It was a novelty when I bought it, and I'm not
using it for anything meaningful at the moment. Anyone on this list can
have it for $50, original box and manuals included.

One annoying note: The firmware factory resets to a static IP address
(on the 192.168.0.x network, IIRC). This can make setup a pain. It's
terrible in low-light situations (as are most cameras in this price
range and under). Also, the wireless supports WEP but not WPA.

I'll be doing a project at work with some high-end IP security cameras
and Linux (Axis and Panasonic), so I'd be happy to report on how that
goes later this summer.

Scott

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NHRuby.org February meeting summary.

[Scott Garman]

Last night's NHRuby.org meeting in Portsmouth turned out great, with a
total of 9 people in attendance. If you haven't been to the new
Portsmouth Public Library (it opened about a month ago), it's a
beautiful place.

We started with introductions and had a few new folks show up. Most
people are still very early on in their Ruby/Rails experimentation, so
we're going to keep that in mind for upcoming meeting topics.

After settling in, we watched a PeepCode screencast about RJS Templates.
The screencast was a bit fast-paced, and the LCD projector I had a
somewhat dim bulb in it, but I think everyone got to see some impressive
AJAX calls and dynamic HTML effects that you can do with RJS, and not
have to write a line of Javascript.

Everyone at the meeting got a coupon code to download one free PeepCode
screencast, so they can follow the RJS sceencast at their own pace, or
download a different screencast topic (these screencasts normally cost
$9 and I find are well worth it as learning resources). I also handed
out some schwag from O'Reilly.

After the screencast, the discussion turned to various things, including
upcoming conferences, people's development environments, and some of the
virtual machine implementations of Ruby.

For our March meeting, Brian DeLacey has graciously agreed to give a
talk about using crypto libraries with Ruby. I've heard people rave
about Brian's presentation skills, so this is one talk you won't want to
miss. Keep an eye on our wiki site for updates:

http://wiki.nhruby.org/index.php/Upcoming_meetings

Cheers,

Scott

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[GNHLUG] NHRuby.org Meeting TUESDAY, Feb. 20, 2007: RJS Templates.

[Scott Garman]

It's that time again - time for the second meeting of the NH Ruby/Rails
User Group!

WHEN: Tuesday, February 20, 2007 from 7-9 PM.
WHERE: Portsmouth Public Library, MacLeod Board Room. Portsmouth, NH.

For a map and driving directions, see:
http://wiki.nhruby.org/index.php/Upcoming_meetings

WHAT: RJS Templates - an exciting feature of Ruby on Rails that allows
you to make changes to your web pages and make AJAX calls while still
writing Ruby code. It's literally a Ruby-to-Javascript API, with hooks
for Prototype actions and Script.aculo.us visual effects.

You might use RJS Templates to do things such as:

* Insert or replace data on your web page.
* Dynamically show or hide objects on your web page with impressive
visual effects.
* Standardize your web application's interactive behavior across
multiple pages.

...all without requiring page reloads.

We'll be watching a PeepCode screencast on RJS templates, with a Q&A
session afterward.

There will be FREE STUFF to giveaway during this meeting! No one will
walk away empty-handed.

After the meeting, a few of us are likely to hit a local bar in
Portsmouth. Anyone is welcome to join us!

NHRuby.org Wiki & Mailing List Info: http://wiki.nhruby.org

Scott Garman

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[GNHLUG] NHRuby.org Meeting, Feb. 20, 2007: RJS Templates.

[Scott Garman]

It's that time again - time for the second meeting of the NH Ruby/Rails
User Group!

WHEN: Tuesday, February 20, 2007 from 7-9 PM.
WHERE: Portsmouth Public Library, MacLeod Board Room. Portsmouth, NH.

For a map and driving directions, see:
http://wiki.nhruby.org/index.php/Upcoming_meetings

WHAT: RJS Templates - an exciting feature of Ruby on Rails that allows
you to make changes to your web pages and make AJAX calls while still
writing Ruby code. It's literally a Ruby-to-Javascript API, with hooks
for Prototype actions and Script.aculo.us visual effects.

You might use RJS Templates to do things such as:

* Insert or replace data on your web page.
* Dynamically show or hide objects on your web page with impressive
visual effects.
* Standardize your web application's interactive behavior across
multiple pages.

...all without requiring page reloads.

We'll be watching a PeepCode screencast on RJS templates, with a Q&A
session afterward.

There will be FREE STUFF to giveaway during this meeting! No one will
walk away empty-handed.

After the meeting, a few of us are likely to hit a local bar in
Portsmouth. Anyone is welcome to join us!

NHRuby.org Wiki: http://wiki.nhruby.org

Scott Garman

-- 
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sgarman at iname dot com
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Re: DHCP question: dhclient won't request same IP.

[Scott Garman]

Dave Johnson wrote:
> It appears the client is sending a DHCPDISCOVER while still using the
> old address (the server can ping it).
> 
> For a renewal of an existing lease the client should first send a
> DHCPREQUEST instead of DHCPDISCOVER.  Only if the DHCPREQUEST is
> ignored/lost should it send a DHCPDISCOVER in an attempt to find a new
> lease.
> 
> The server is doing the right thing in this case.  If the server
> recieved a DHCPREQUEST first it would extend the existing lease.

Hi Dave,

Running dhclient manually on the client confirmed this very behavior. I
guess dhcp-client v2 (which Debian Stable comes with by default) simply
doesn't follow the standard correctly. Or perhaps it's so old the
standard was still in flux at the time it was written. :)

I also made the false assumption that dhcp3-client was only available in
Debian Unstable or Testing. It's actually just an apt-get away, as you
noted in another e-mail.

The system in question is now running dhcp3-client and I believe this
will fix the problem.

Thank you very much!

Scott

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DHCP question: dhclient won't request same IP.

[Scott Garman]

Hi folks,

All of the modern Linux distros I've used (since RedHat 6.2 or so) have
exhibited a certain behavior as DHCP clients that I'm trying to
understand. When their DHCP lease expires, and they go to renew it, they
always get the same IP address again. The only time this doesn't happen
is when they are shut down for a period of time and the IP address ends
up being assigned to another machine. I believe that in a DHCP request,
the client can ask for a particular IP, and the server will offer it if
the address is not already in use by another client.

This doesn't seem to be working with an embedded system I have running
Debian Sarge (stable). I'll have the system running for several hours
with ssh sessions open into it, and suddenly it will renew its IP
address, and the IP address will change, killing my ssh sessions and
causing me to log in at the console to see what the IP address changed to.

This does not happen to an Ubuntu client running on the same network, so
I'm guessing there's something specific about this Debian system (I'm
inclined to rule out hardware, but I guess that's not a given).

To test things further, I placed both machines behind a Linux DHCP
server so I could look for any unusual error messages. Sure enough, I
found the following in my logs after the Debian system exhibited the
IP-changing behavior. The Debian system started out with IP
192.168.1.215, and ended up with 192.168.1.210:

Jan 31 12:32:03 dhcpd: DHCPDISCOVER from 00:d0:c9:9e:ae:59 via eth1
Jan 31 12:32:03 dhcpd: ICMP Echo reply while lease 192.168.1.215 valid.
Jan 31 12:32:03 dhcpd: Abandoning IP address 192.168.1.215: pinged
before offer
Jan 31 12:32:03 dhcpd: Wrote 0 deleted host decls to leases file.
Jan 31 12:32:03 dhcpd: Wrote 0 new dynamic host decls to leases file.
Jan 31 12:32:03 dhcpd: Wrote 9 leases to leases file.
Jan 31 12:32:05 dhcpd: DHCPDISCOVER from 00:d0:c9:9e:ae:59 via eth1
Jan 31 12:32:06 dhcpd: DHCPOFFER on 192.168.1.210 to 00:d0:c9:9e:ae:59
via eth1
Jan 31 12:32:08 dhcpd: DHCPREQUEST for 192.168.1.210 (192.168.1.1) from
00:d0:c9:9e:ae:59 via eth1
Jan 31 12:32:08 dhcpd: DHCPACK on 192.168.1.210 to 00:d0:c9:9e:ae:59 via
eth1

I've Googled for this and not found any satisfying answers on how to fix
it. I've also traced through the dhclient scripts on my Ubuntu and
Debian system and not found any obvious places where this behavior can
be set in a configuration file or hard-coded into the script.

Does anyone have any suggestions on what I could try next?

I'm thinking the only thing left to do is try to shoehorn a newer
dhcp-client package onto the Sarge system. If I need to do that, does
anyone recommend a tutorial or doc on recompiling a .deb package from
Unstable/Testing to use on Stable?

Thanks,

Scott

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NH Ruby/Rails Group now has a wiki and mailing lists.

[Scott Garman]

I just wanted to inform my fellow GNHLUGers interested in Ruby or Ruby
on Rails that we now have a wiki site and two mailing lists set up:

Wiki (also serves as our main site):
http://wiki.nhruby.org

An announcements mailing list:
http://mail.nhruby.org/mailman/listinfo/nhruby-announce

A discussion mailing list:
http://mail.nhruby.org/mailman/listinfo/nhruby-discuss

Upcoming meeting information can be found on the wiki. I'll send out a
formal meeting announcement at the start of February.

Enjoy,

Scott

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[GNHLUG] Reminder: NH Seacoast Ruby/Rails User Group meeting TONIGHT @ UNH.

[Scott Garman]

This is just a quick reminder that tonight's meeting at UNH is still on.

Time: 7-9 PM TONIGHT, January 16, 2007.
Location: Morse Hall Room 301, UNH (Durham, NH)

Driving directions, parking info, and a campus map can be found at:

http://slug.gnhlug.org/slug/doc/ddir

Topic: I’ll be sharing some of my favorite resources for developing with
Ruby/Rails and following the community. We’ll also engage in such
exciting activities as creating a regular meeting location and schedule,
setting up a mailing list, and coming up with an organization name that
makes a cool acronym! All are welcome, whether you’re a Ruby pro or just
want to know what all the hype is about. :)

I hope to see you there!

Regards,

Scott Garman

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sgarman at zenlinux dot com

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[GNHLUG] NH Seacoast Ruby/Rails *meeting location CHANGED*

[Scott Garman]

Sorry to the folks on GNHLUG-discuss who will get this twice. I forgot
to post this to gnhlug-announce, and Ben tells me he feels it's still
worth doing. :)

Hi GNHLUGers,

I'm happy to report that interest in the new NH Seacoast Ruby/Rails user
group has far surpassed my expectations. Apparently there is a lot of
interest from people involved with the Greater NH Linux Users Group
(GNHLUG), the Boston Ruby mailing list, and Meetup.com.

With over a dozen RSVPs, there was no way I could host the meeting in
one of the UNH Library study rooms, which can hold 4-6 people, max.

For that reason, I have secured a much larger meeting room in Morse Hall
at UNH, thanks to the help of Rob Anderson, who runs the Seacoast Linux
User Group meetings (thanks Rob!).

WHEN: Tuesday, January 16, 2007, from 7-9 PM (same time)
WHERE: Morse Hall, Room 301, UNH Campus. Durham, NH (new location, but
still at UNH)

WHAT: Scott Garman will be sharing some of his favorite resources for
developing with Ruby/Rails and following the community. We'll also
engage in such exciting activities as creating a regular meeting
location and schedule, setting up a mailing list, and coming up with an
organization name that makes a cool acronym!

I will send out detailed directions and maps sometime on Friday to
everyone who has contacted me with interest in attending. If you're not
on my announcement list already, please drop me a line ASAP.

Regards,

Scott Garman

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NH Seacoast Ruby/Rails *meeting location CHANGED*

[Scott Garman]

Hi GNHLUGers,

I'm happy to report that interest in the new NH Seacoast Ruby/Rails user
group has far surpassed my expectations. Apparently there is a lot of
interest from people involved with the Greater NH Linux Users Group
(GNHLUG), the Boston Ruby mailing list, and Meetup.com.

With over a dozen RSVPs, there was no way I could host the meeting in
one of the UNH Library study rooms, which can hold 4-6 people, max.

For that reason, I have secured a much larger meeting room in Morse Hall
at UNH, thanks to the help of Rob Anderson, who runs the Seacoast Linux
User Group meetings (thanks Rob!).

WHEN: Tuesday, January 16, 2007, from 7-9 PM (same time)
WHERE: Morse Hall, Room 301, UNH Campus. Durham, NH (new location, but
still at UNH)

WHAT: Scott Garman will be sharing some of his favorite resources for
developing with Ruby/Rails and following the community. We'll also
engage in such exciting activities as creating a regular meeting
location and schedule, setting up a mailing list, and coming up with an
organization name that makes a cool acronym!

I will send out detailed directions and maps sometime on Friday to
everyone who has contacted me with interest in attending. If you're not
on my announcement list already, please drop me a line ASAP.

Regards,

Scott Garman

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sgarman at zenlinux dot com




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NH Seacoast Ruby/Rails user group forming.

[Scott Garman]

Hi all,

I'm starting a NH user group around the amazing language Ruby and its
amazing (or amazingly hyped?) web development framework Ruby on Rails.

For our first meeting, I'll be sharing some of my favorite resources for
Ruby development and following the community. We'll also engage in such
exciting activities as creating a regular meeting schedule, setting up a
mailing list, and coming up with an organization name that makes a cool
acronym!

WHEN?: Tuesday, January 16, 2007, from 7-9 PM.
WHERE?: UNH Library (Durham, NH). I'm reserving a study room on the
bottom floor.

Please drop me a line if you'd like to attend and I can forward you
directions to the library and places where you can park.

And in a feeble effort to not seem *too* off-topic, I develop and deploy
Ruby and Rails apps on Ubuntu and CentOS platforms, respectively. :)

Scott

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Nashua meeting webcast?

[Scott Garman]

I don't think I'll be able to make it to Nashua from Dover tomorrow 
night, but I'd really like to listen in on this meeting. Jim told me 
someone did a live webcast during a recent meeting, and I'm wondering if 
that can be done again this time? Or simply record the meeting and 
distribute it afterwards as an ogg/mp3 file?


Scott

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Re: Linus with Live Free or Die plate (photo)

[Scott Garman]

Travis Roy wrote:

Anybody else have a good plate? I had one that said "HAXXOR" for a while.


GOLINUX :)

For photos, see:

http://www.zenlinux.com/golinux_front.jpg

http://www.zenlinux.com/golinux_back.jpg

Scott

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Re: Using the serial port for GPIO.

[Scott Garman]

Tom Buskey wrote:
People  usually use the parallel port for this kind of stuff.  8 outputs 
and  at least 5 inputs.  More inputs are possible w/ the newer 
bidirectional ports.


parpin on sourceforge lets you work on individual pins.  There's tons of 
info on using the parallel port for digital I/O out there.


Thanks Tom, this is extremely useful and exactly what I'm looking for 
for some of the I/O I'll be doing!


Scott

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Using the serial port for GPIO.

[Scott Garman]

Has anyone here ever used the Linux serial port drivers as general 
purpose I/O? By that I mean not using the port for RS-232 protocol 
communications, but querying and setting the levels of individual pins 
on the port. This is for an embedded systems project I'm working on.


If I have no other options, my plan is to write a /proc kernel driver so 
user space programs can get access to this information, but I have a 
strong feeling that this kind of thing has been done many times before, 
and may even be possible with existing utilities that I just don't know 
about.


setserial, for example, allows you to configure the port and IRQ that a 
serial device is set to. I want something just a bit higher-level than 
that, to be able to read/set the RTS pin, for example.


The serial devices I'm working with are plain vanilla 16550 UARTs on 
common PC hardware.


Thanks,

Scott

PS - Information on doing the same thing via the parallel port would 
also be very relevant to me.


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Re: Compact Flash sector load-balacing?

[Scott Garman]

Stephen Ryan wrote:

I think you just have to format as JFFS2.  I haven't actually used this
myself since my Zaurus died, so all the information I have comes from
Google.  


http://sourceware.org/jffs2/jffs2-html/


Many thanks, Stephen, I think this is what I was looking for.

Regards,

Scott

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Compact Flash sector load-balacing?

[Scott Garman]

I've been googling for the answer to this question but I'm not coming up 
with anything definitive. I recall there are some PDA linux hackers on 
this list so I figure someone here should know.


Does Linux support load-balancing writes to a Compact Flash disk drive? 
Is this something that the CF driver has to support, or is this handled 
by the CF firmware?


Thanks,

Scott

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Re: [EMAIL PROTECTED]: DenyHosts Report]

[Scott Garman]

On Tue, 2005-12-20 at 00:52 -0500, Christopher Schmidt wrote:
> Okay, so chances are extremely good that I could fix this with better
> settings, but for now I've shut down the denyhosts daemon until I can
> figure out what I did wrong. I do see 3 failed password attempts in the
> last 1000 lines of auth.log, but with 3 of us at the house regularly
> using SSH, that's not out of the question. 
> 
> And I certainly don't want to wake up in the morning and find out that
> my ssh access is blocked :)

Denyhosts allows you to set up a whitelist of IP addresses that will
never get blocked. You have to create a file called "allowed-hosts" and
stick it in denyhost's working directory:

http://denyhosts.sourceforge.net/faq.html#3_7

Throw your home and work IPs in there and then you can mistype your
passwords to your heart's content. :)

HTH,

Scott

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Re: disk scrubber for Linux?

[Scott Garman]

I'm surprised no one in this thread has mentioned the annoying fact that
SMART isn't supported yet for SATA drives under Linux. Does anyone know
more about this, particularly what's holding it up?

Scott

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The "Extreme Ubuntu Install Challenge".

[Scott Garman]

Since the final release of Ubuntu Breezy came out today, I thought I'd
announce the "Extreme Ubuntu Install Challenge":

http://www.zenlinux.com/ubuntu_challenge/

"On October 2, 2005, two good friends and I hiked up Middle Sugarloaf
Mountain in the White Mountains region of New Hampshire. But this wasn't
your typical hike; this hike had *extreme geek value*. For at the top of
the mountain, I was going to install Ubuntu Breezy on my laptop.

To my knowledge, no one has ever accomplished such a feat in history.
Probably, this is because no one would want to. I'd like to change that.
Ubuntu geeks of the world, I challenge you - where can you install
Ubuntu in an extreme environment? Has Ubuntu ever been installed on a
skyscraper window-washing scaffold? On an active volcano? While standing
on your head the whole time? Just think of the possibilities!

When you have a laptop, a mission, and no sense of social shame,
anything is possible. What follows is one man's story of hardship and
triumph, as he scales a mountain to install Ubuntu linux..."

Yes, there are video clips of this epic story. Anyone who knows me
personally will probably lose any shred of respect they once had for me
once they see them, but hey - I figure it's good for a few laughs. :)

Enjoy,

Scott

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Re: Apple cinema displays?

[Scott Garman]

On Sat, 2005-10-01 at 13:34 -0400, Scott Garman wrote:
> Does anyone on this list have an Apple cinema display working with their
> Linux box? I'm considering picking up the 20" model but I'm reading
> conflicting reports about its compatibility with Linux. 

I thought I'd follow up on this in case anyone was interested. I decided
against the Apple cinema display after I learned that Dell is selling
20" widescreens that use the exact same LCD screen for hundreds less.
This review did a head-to-head comparison between the Cinema 20" and
Dell's 2005FPW:

http://www.anandtech.com/displays/showdoc.aspx?i=2400

I also heard from one list member off-list that his previous generation
of the cinema display had problems going into sleep/standby/off with
Linux. 

A few days later, a friend of mine pointed me to a couple of coupon
codes that could be used for the 2005FPW that he saw on digg.com. I took
the plunge and bought the Dell for $394 including shipping on Friday
night, and it was delivered today. 

Linux compatibility is perfect with Ubuntu Hoary. All I had to do was
add the 1680x1050 resolution to my xorg.conf file and it's working like
a champ. And this LCD display is jaw-dropping, to say the least, and
that price is unbeatable. I highly recommend it. 

Regards,

Scott

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Re: CACert?

[Scott Garman]

On Mon, 2005-10-10 at 14:24 -0400, Bill McGonigle wrote:
> Are there others here who use or are interested in using CACert 
> certificates?  I'm a 150-point notary now, and if we get two others we 
> can churn out more notaries.  We also have the option of having a 
> keysigning event where CACert will lend temporary points.

I'm also a CACert notary, and live in Dover.

Scott

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Apple cinema displays?

[Scott Garman]

Does anyone on this list have an Apple cinema display working with their
Linux box? I'm considering picking up the 20" model but I'm reading
conflicting reports about its compatibility with Linux. 

Thanks,

Scott

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Re: Ubuntu Linux experiences?

[Scott Garman]

On Wed, 2005-01-05 at 09:48 -0500, Travis Roy wrote:
> I've used it, had to dump it due to lack of support for some things I 
> needed. Most of it wasn't in the default apt repository and after adding 
> in some 3rd party ones that broke a whole ton of stuff and made the 
> system very unstable.

Excellent - this is exactly the kind of thing I want to hear about. Can
you be more specific about which 3rd party packages were causing
problems?

I was initially under the impression that the distro could use any
packages from Debian as well. Is that not the case?

> The new debian installer is very nice and very easy to follow, you might 
> want to give debian another go.

I'll consider it, but I'm looking for something that can be used as a
both a quickly evolving desktop distribution but which also has long
term support for enterprise applications. Ubuntu initially struck me as
a single distribution that could do both. 

Scott

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Ubuntu Linux experiences?

[Scott Garman]

Has anyone on the list worked with the Ubuntu distribution yet? 

http://www.ubuntulinux.org/

I've been testing it in VMWare and I'm very impressed with what I've
seen. I've had very little luck with Debian in the past, particularly
getting it installed (I'm generally a RedHat/Fedora/Mandrake user).

The Ubuntu installer is simple and got me up and running very quickly.
It seems to offer the best of what Debian is good for while minimizing
or eliminating Debian's weaknesses. It looks like a major player in the
distro market if they can keep up with their commitments (new releases
every six months, and each release supported with security updates for
18 months).

This summary of the distribution on distrowatch.org also piqued my
curiosity:



Ubuntu Linux has stormed the Linux distribution scene like no other
Linux project before. It has done so in a fashion resembling a highly
sophisticated player: it seems to have first observed all other major
distributions, learnt from their mistakes and combined the best features
of all of them into one superior product. A six-month's release cycle,
up-to-date package set, a clearly set product lifetime (at 18 months),
fast download mirrors, great documentation, even free CDs and free
shipment of CDs anywhere in the world to those interested in the
distribution. That's Ubuntu.

The project is funded by Mark Shuttleworth. Those who have never heard
the name, Mark is a South African entrepreneur who made a fortune when
he sold his company, Thawte Consulting, to Verisign, for US$575 million
in late 1999. He appears to be a generous person: after the sale, he
reportedly paid bonuses of one million Rand each (about US$163,000 at
the time) to every one of his employees. He also founded several
educational and open source initiatives around South Africa, including
Go Open Source. While it is not yet clear how Mark's Canonical Limited
intends to make money from Ubuntu, the distribution is certainly off to
a good start, at least in terms of getting the name into public
consciousness and offering a solid alternative to more established Linux
distributions.



Regards,

Scott

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Re: Subversion

[Scott Garman]

On Sat, 2004-12-18 at 16:15 -0500, Fred wrote:
> Thanks, Bill.
> 
> It may suit me to just take a snapshot of the current code and not try
> to put all the history of CVS in Subversion. Since I am (currently) an
> "one-man operation", it probably won't be too painful taking that
> approach.

Hi Fred,

cvs2svn is a tool that will allow you to do this:

http://cvs2svn.tigris.org/

You can migrate a CVS repo to subversion in a number of ways, even
ignoring past revision history (they refer to it as "top skimming" in
the documentation). You can even include/exclude individual branches. 

I've used this tool to migrate some CVS repositories and it worked well,
though it takes a very, very, long time to run. In its default mode, it
actually checks out each CVS revision and checks it into the subversion
repository you've created. It might not be the most efficient tool, but
it's pretty stable for the purpose.

> I take it that the http: approach can be run across ssl a la https: if
> necessary. Or maybe the svn: can be run across a ssh transport -- which
> is what I would prefer

Yes and yes. 

Also, if your group does any work in a mixed (windows and unix)
development environment, I can't recommend TortoiseSVN highly enough on
the Windows side. It's actually a plug-in for Windows Explorer that
works great; all the developers I've set up to use it so far at work
prefer it over WinCVS hands down.

http://tortoisesvn.tigris.org/

Regards,

Scott

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Re: Unprivileged user shutdown

[Scott Garman]

On Wed, 2004-10-13 at 14:11, Michael ODonnell wrote:
> >  useradd -c "execute reboot"
>   [...]
> >  -u 0
> >  poweroff
> 
> > There aren't any security problems here?  It seems like there could
> > be potential issues with having a "second root" account where the
> > password was known.  I'm not sure where exactly the problem would
> > come from, but it just seems like there could be potential issues.
> 
> 
> You're concerned that somebody might be able to use
> the "poweroff" user's credentials to gain other root
> privileges?  I've not heard of a scenario where this
> would be a problem.

The man page for su shows an option for changing the default shell that
is run, "-s". I assume the risk here would be if one of these users were
to run "su  -s /bin/bash" and use the shutdown account's
password to obtain an unrestricted root shell. I've never tried this so
I'm not sure if that would work.

Perhaps a better solution would be to set up a normal user account (ie,
not uid=0) and give this user sudo access to run shutdown?

Scott

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Re: Forcing sendmail to use HELO (vs. EHLO)?

[Scott Garman]

Many thanks to Jeff Macdonald, who told me to try replacing "a" with "2"
in the sendmail.cf section:

Mesmtp, P=[IPC], F=mDFMuXa, S=EnvFromSMTP/HdrFromSMTP ...

Setting F to mDFMuX2 did the trick. Now to wait and see if that makes a
difference (not bloody likely IMO). 

Scott

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Re: Forcing sendmail to use HELO (vs. EHLO)?

[Scott Garman]

On Wed, 2004-09-22 at 12:08, Derek Martin wrote:
> On Wed, Sep 22, 2004 at 12:00:23PM -0400, Scott Garman wrote:
> > I have pcap traces on each side of the connection during a bounce if
> > anyone is curious enough to want them. It looks like Exchange just kills
> > the connection in the middle of the message body transfer and generates
> > a bounce instead.
> 
> Well, what does the bounce message say?  Maybe you have some kind of
> misconfiguration or flakiness in your network or your Linux box.  If
> you give us more info, I bet we'll solve it before MS Support does...
> :)

I appreciate the offer, but honestly there are so many details of our
network configuration and Exchange server setup that I'd rather not go
into.

But to answer your question, the bounce is a 550 5.7.1 error:

Your message

  To:  Joe User
  Subject: Blah blah blah
  Sent:Tue, 21 Sep 2004 15:47:35 -0400

did not reach the following recipient(s):

Joe User on Tue, 21 Sep 2004 15:47:36 -0400
You do not have permission to send to this recipient.  For
assistance, contact your system administrator.
< my.sendmail.server #5.7.1 SMTP; 550 5.7.1 Requested action not
taken: message refused>

The mails are coming from Bugzilla, and sometimes they make it to the
recipients, and sometimes they don't. 

I'm not the Exchange admin, and he's tried enabling all sorts of relay
permissions for my sendmail box, and that hasn't gotten us anywhere. 

I'm still curious how to force sendmail to use HELO.

Thanks,

Scott

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Forcing sendmail to use HELO (vs. EHLO)?

[Scott Garman]

Any sendmail gurus know how to force sendmail to use the HELO method for
all outgoing mail instead of EHLO? 

I've had an open support ticket with MS Exchange support for over two
weeks now. Our RHEL sendmail server can send mail to our Exchange server
fine about 90% of the time, but I get bounces on seemingly random
occasions. The support guy wants me to try this now (even though
Exchange advertises ESMTP capability in its banner).

I have pcap traces on each side of the connection during a bounce if
anyone is curious enough to want them. It looks like Exchange just kills
the connection in the middle of the message body transfer and generates
a bounce instead.

Thanks,

Scott

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Lost my partition table - can I recover?

[Scott Garman]

My situation: I have an HP server with two hot-swap SCSI drive bays.
It's got a RAID controller in it, which has to "initialize" new drives
before they can be recognized by the controller. It refers to them as
"logical" drives. 

I have inadvertently deleted the logical drive on the original disk, and
I can not boot to Linux anymore. I am certain that all that's happened
is the RAID controller re-wrote a new partition table with no
partitions. When I boot from a RHEL 3.0 CD in rescue mode, it sees the
drive detected as /dev/cciss/c0d0, whereas before it was
/dev/cciss/c0d0p1. 

Can I recover from this without having to do a reinstall? This is, ahem,
a time-critical problem. :( :( :(

Scott

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Re: Lost my partition table - can I recover?

[Scott Garman]

On Thu, 2004-08-05 at 10:02, Marc Nozell wrote:
> On Thu, 2004-08-05 at 09:38, Scott Garman wrote:
> > My situation: I have an HP server with two hot-swap SCSI drive bays.
> > It's got a RAID controller in it, which has to "initialize" new drives
> > before they can be recognized by the controller. It refers to them as
> > "logical" drives. 
> > 
> > I have inadvertently deleted the logical drive on the original disk, and
> > I can not boot to Linux anymore. I am certain that all that's happened
> > is the RAID controller re-wrote a new partition table with no
> > partitions. When I boot from a RHEL 3.0 CD in rescue mode, it sees the
> > drive detected as /dev/cciss/c0d0, whereas before it was
> > /dev/cciss/c0d0p1. 
> > 
> 
> The /dev/cciss/c0d0 refers to the entire first disk (think /dev/sda),
> while /dev/cciss/c0d0p1 (think /dev/sda1) refers to the first partition 
> on the first disk.
> 
> Um, did you just trash your entire disk? 

I'm not sure - the RAID controller says that data loss will occur if you
delete a logical drive. I mistakenly deleted the logical drive of this
disk. It takes no time at all for this to take effect, so I assumed that
it just deleted the partition table. 

I tried using fdisk to create one large partition on the disk, hoping
that mount would look at the beginning of the partition to find the
filesystem, but I was unable to mount anything.

Unfortunately, the point is moot now. I've decided to restore from last
night's backup. 

Scott

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