Re: Laptop OS Virtualization?

2006-04-11 Thread Jerry Feldman
On Monday 10 April 2006 4:29 pm, Richard Soule wrote:
 Add me to the VMWare crowd. I use it every time I do a demo. My laptop
 came from Oracle with WinXP on it, I run Linux, WinXP and Win2K Server
 VMs depending on which demo I want to run.
I am planning on running Xen (SuSE 10.0 or 10.1) on my laptop since I wiped 
out the Windows XP partition. I may possibly load VMWare server temporarily 
since my NEU class starts in a couple of weeks and I want to be able to run 
2 or 3 distros simulataneously. If I can get Xen running with a second 
distro quickly then I'll opt for that.
-- 
Jerry Feldman [EMAIL PROTECTED]
Boston Linux and Unix user group
http://www.blu.org PGP key id:C5061EA9
PGP Key fingerprint:053C 73EC 3AC1 5C44 3E14 9245 FB00 3ED5 C506 1EA9
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Re: Monadnock Linux User Group - April 13th

2006-04-11 Thread Charles Farinella
On Mon, 2006-04-10 at 16:23, Warren Luebkeman wrote:
 If you want a presenter this thursday, we might be able to bang something 
 together!  Take at look at our website, www.resara.com

Since Guy has put me in charge of this particular meeting, I am going to
say yes please, that would be terrific.

Thank you.  :-)

--charlie

 Warren L
 
 On Monday 10 April 2006 2:48 pm, guy Pardoe wrote:
  The next meeting of the Monadnock Linux User Group (MonadLUG) will be this
  Thursday, April 13th, 7:00pm, at the SAU 1 Superintendent's Office behind
  South Meadow School in Peterborough.
 
  For directions, visit
   http://wiki.gnhlug.org/twiki2/bin/view/Www/OurChapters#monadlug
 
 
 
   AGENDA 
 
  1.  Announcements.
 
  2.  Due to some unavoidable issues, the presentation that was planned for
  this meeting is being postponed.  So there is no formal speaker this month.
  Bring your questions  problems for some open discussion.
 
 
  *
 
 
  We're also looking for topics for future meetings.  If you have a
  suggestion or would like to present a topic yourself, please contact me at
  [EMAIL PROTECTED]
 
  Please forward this announcement to anyone you think may be interested in
  attending.
 
  Thank you,
 
  Guy Pardoe
  MonadLUG Coordinator
 
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-- 
Charles Farinella 
Appropriate Solutions, Inc. (www.AppropriateSolutions.com)
[EMAIL PROTECTED]
603.924.6079

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Re: Laptop OS Virtualization?

2006-04-11 Thread Darrell Michaud
I'm doing this on two laptops..

One is running Fedora Core 5 x76-64, and occasionally hosts 32bit
WinXP-pro VMs using VMware's free beta server. It works well, and has good
network options, albeit with some command-line configuration.

The other is running WinXP-pro 32bit, and uses Microsoft's Virtual PC and
(now a no-cost download) Virtual server. This is easier to use, but
restricts you to using windowsXp (or more realistically
Server2003/Server2000) as the host. Virtual Server allows linux guests,
but Virtual PC does not support Linux well, although there are reports
that people have got it to work.

Both VM product families work well for me. I think the VirtualPC and
VirtualServer interface is slicker, but has less features and slightly
worse performance in apples to apples comparisions.

Both products have betas that can be downloaded and used for no cost
(although the no-cost license may expire in the future)

For both, the VMs consume a lot of memory. Both my laptops are maxxed out
at 2GB.

Disk Space is also important for VMs, if you want to keep historical
copies, multiple versions, etc. I picked up a 160GB high performance and
silent seagate laptop drive from newegg that I can recommend.

I haven't used Xen yet, because at the moment my guest VM needs are
primarily related to running MS systems.


Charles Farinella said:
 On Mon, 2006-04-10 at 12:39, Ted Roche wrote:
 Has anyone got multiple OSes running simultaneously on their personal
 machines? I've got a laptop I dual-boot between WinXPPro (client
 work) and Linux (more client work, home  hobby), and I'd like to be
 able to toggle between the two rather than a slow reboot.

 VMWare has released it's server software as a free download,
 http://www.vmware.com/products/server/.  I have it on a couple of
 machines (not laptops) and it works very well.

 --charlie


 Anyone doing this? What VM manager are you using? What host OS? Tips?
 Reviews? Pans? Warnings?

 Ted You've got answers? I've got questions! Roche
 Ted Roche  Associates, LLC
 http://www.tedroche.com


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 [EMAIL PROTECTED]
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Re: Laptop OS Virtualization?

2006-04-11 Thread Ben Scott
On 4/11/06, Darrell Michaud [EMAIL PROTECTED] wrote:
 Both products have betas that can be downloaded and used for no cost
 (although the no-cost license may expire in the future)

  Given that Virtual PC is a Microsoft product now, you can replace
may with will for that product.

-- Ben

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Meeting Report - Seacoast - Python - 10 Apr

2006-04-11 Thread Ben Scott
Hi all,

  My thanks again to Rob Anderson for last night's SLUG (Seacoast LUG)
for a very educational meeting on Python (along with occasional brief
side trips for COBOL, LISP, Pascal, and other stuff).  I also
expressed my annoyance with Rob, because I'm too {lazy, busy,
stubborn} to learn another language right now, and after a brief
introduction, Python looks very interesting to me.

(SLUG website: http://slug.gnhlug.org/slug)

  It was a very interactive meeting.  Rob had a set of slides, but he
frequently jumped over to Emacs to show some code, or an xterm running
Python to show how some code *worked*.  I, at least, found this very
neat -- immediately after telling us about something, we got a chance
to see it work in practice.  This is doubtless more time consuming
than a simple talking presentation, but I think it really reinforced
what we were learning.

(Slides: 
http://slug.gnhlug.org/slug/Members/rea/SLUG/talks/python-intro.pdf/view)

  Rob finished up by talking about a Python toolkit called SQLAlchemy
(which I will abbreviate SA).  SA looks *very* cool.  It lets you
use Python code to model data as objects, and handles all the database
interfacing for you.  This is much more than a simple database engine
abstraction -- you write Python code, not SQL code.  Possibly even
cooler, you can point SA at an existing database, and it will create
the Python objects for you from the database.  So you can use Python
code to manipulate a database, or use a database to create Python
code.

(SQLAlchemy website: http://www.sqlalchemy.org/)

-- Ben I'm being attacked by a Python Scott

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Re: Meeting Report - Seacoast - Python - 10 Apr

2006-04-11 Thread Cole Tuininga
On Tue, 2006-04-11 at 12:05 -0400, Ben Scott wrote:
 Hi all,
 
   My thanks again to Rob Anderson for last night's SLUG (Seacoast LUG)
 for a very educational meeting on Python (along with occasional brief
 side trips for COBOL, LISP, Pascal, and other stuff).  I also
 expressed my annoyance with Rob, because I'm too {lazy, busy,
 stubborn} to learn another language right now, and after a brief
 introduction, Python looks very interesting to me.

*snip*

Welcome to the wide world of Python.  Warning: many of those who enter
find that they really prefer not to leave.  ;)

Advocacy aside, python can be a really interesting language to work
with.  And for those that have the interest, don't forget our GNHLUG
associated group, the PySIG.  

Important points:

o) Meets in Manchester on the fourth Thursday of every month
o) Spearheaded by our own Bill Sconce
o) website at http://www.pysig.org/
o) Anybody and everybody with an interest in Python is welcome
o) (usually low volume) mailing list at
http://dlslug.org/mailman/listinfo/python-talk

-- 
Cole Tuininga [EMAIL PROTECTED]

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Re: Presentation for Monad LUG

2006-04-11 Thread Warren Luebkeman
Greetings All:

The Monadnock LUG meeting this week will be a demonstration of Resara 
Enterprise Linux.  REL is a Linux terminal server/thin client system, but is 
not based on LTSP.  More info about REL can be found at www.resara.com 

This will be a live, hands on demonstration, no powerpoints, and we will try 
to keep the sales pitches to a minimum.  In other words, it should be pretty 
interesting! We look forward to your questions, comments, and/or critisysms!  

Please bring your laptops for the best demonstration experience!

Thanks,
Warren Luebkeman
  


On Tuesday 11 April 2006 9:38 am, Charles Farinella wrote:
 On Mon, 2006-04-10 at 16:23, Warren Luebkeman wrote:
  If you want a presenter this thursday, we might be able to bang something
  together!  Take at look at our website, www.resara.com

 Since Guy has put me in charge of this particular meeting, I am going to
 say yes please, that would be terrific.

 Thank you.  :-)

 --charlie

  Warren L
 
  On Monday 10 April 2006 2:48 pm, guy Pardoe wrote:
   The next meeting of the Monadnock Linux User Group (MonadLUG) will be
   this Thursday, April 13th, 7:00pm, at the SAU 1 Superintendent's Office
   behind South Meadow School in Peterborough.
  
   For directions, visit
http://wiki.gnhlug.org/twiki2/bin/view/Www/OurChapters#monadlug
  
  
  
    AGENDA 
  
   1.  Announcements.
  
   2.  Due to some unavoidable issues, the presentation that was planned
   for this meeting is being postponed.  So there is no formal speaker
   this month. Bring your questions  problems for some open discussion.
  
  
   *
  
  
   We're also looking for topics for future meetings.  If you have a
   suggestion or would like to present a topic yourself, please contact me
   at [EMAIL PROTECTED]
  
   Please forward this announcement to anyone you think may be interested
   in attending.
  
   Thank you,
  
   Guy Pardoe
   MonadLUG Coordinator
  
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Re: SwaNH InfoXchange, 12 Oct 2006, Wafarer Inn, Bedford

2006-04-11 Thread Ted Roche

CORRECTION: The date is in 2006, not 2005. Sorry for the typo.

Ted Roche
Ted Roche  Associates, LLC
http://www.tedroche.com


On Apr 11, 2006, at 3:11 PM, Ted Roche wrote:

SwaNH's (http://www.swanh.org) 12th annual  InfoXchange conference  
takes place 12 Oct 2005 at The Wayfarer Inn, Bedford, NH



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slony and database replication (info from LinuxWorld)

2006-04-11 Thread Python
My two main reasons for using MySQL are:
easy administration
replication

The MySQL replication process works by serving the Master's log out to
the replicating slaves over the network.  The connection is very loose.
So long as the log files have not been deleted, a slave can resume
processing even after losing contact for several months.  The log file
includes time stamp info from the original server along with server ID
numbers so that (master, replicator) sets can be daisy chained or even
closed into a circle.  

I asked about replication for postgresql and was pointed to Slony.
However, reading the website info, Slony appears to be designed for
tightly coupled on-line cluster style operations.

If anyone cares, the rules for MySQL replication are:
unique ID for each server
only one master (source) for each server

-- 
Lloyd Kvam
Venix Corp

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slony and database replication (info from LinuxWorld) (continued)

2006-04-11 Thread Python
(my editor's hot-key for open new line below (vi's lower-case o)
is the same as my email's send-it-now key)


My two main reasons for using MySQL are:
easy administration
replication

The MySQL replication process works by serving the Master's log out to
the replicating slaves over the network.  The connection is very loose.
So long as the log files have not been deleted, a slave can resume
processing even after losing contact for several months.  The slaves
track their own progress through the log files.  The log file includes
time stamp info from the original server along with server ID numbers so
that (master, replicator) sets can be daisy chained or even closed into
a circle.  

I asked about replication for postgresql and was pointed to Slony.
However, reading the website info, Slony appears to be designed for
tightly coupled on-line cluster style operations.  If any one has
experience to contradict that, please let me know.


If anyone cares, the rules for MySQL replication are:
unique ID for each server
only one master (source) into each server
many replicators from a server
a loop can be as short as two servers replicating each other

It is possible to short-circuit a large logical loop and directly
combine logs into a common collector.

-- 
Lloyd Kvam
Venix Corp

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