Re: XRDP - Howto select which desktop to run at login?

2010-12-18 Thread KC8LDO
>If you are using GDM, just enter your username then the menu should appear
>at the bottom of the login screen where you should be able to choose the
>desktop of your choice before typing in your password. This choice should
>not change even if you reboot. Your default desktop would what ever you
>chose the last time.

There are exactly three things that show up when I login remotely using Xrdp 
in the dialog box.

1. Module
2. User Name
3. Password

There are no other choices and the entire screen is black except for the 
login dialog box. I don't see anywhere you can enter a choice for the 
desktop to use. I know you can what you mentioned from the locally connected 
console screen, just not remotely over a network. That's what I'm trying to 
find out if there is a way to do it without having to perminetly change the 
desktop started for each user. I want the user to pick what they want to use 
at login time using a remote connection without affecting anybody else on 
the system.

Regards;

Leland C. Scott
KC8LDO


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Re: IPSec (OpenSWAN)

2010-12-18 Thread Elliott Chapin
On 12/18/2010 08:57 PM, James McKenzie wrote:
> On 12/3/10 1:39 PM, Trever L. Adams wrote:
>> Hello Everyone,
>>

Trever - Are you on a mailing list here?: http://www.openswan.org/

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Re: crypto

2010-12-18 Thread agraham
On 12/19/2010 12:56 AM, Patrick Dupre wrote:
> Hello,
>
> I have a disk on a computer with I usd to mount with crypto_LUKS.
> I am trying to mount it on another PC, and I get:
> mount: unknown filesystem type 'crypto_LUKS'
>
> How can I either remove the crytpo temporally or mount it on the other
> PC (after I will have the option to give the passphrase).
>
> Thank.
>
>

The other machine would need "cryptsetup-luks" package installed.

You could share it over NFS/Samba if you're stuck.

Albert.
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Re: About programing, a general question

2010-12-18 Thread Ranjan Maitra
On Tue, 14 Dec 2010 13:45:55 -0600 les  wrote:

> On Fri, 2010-12-17 at 09:50 -0700, Patrick Kobly wrote:
> > On 12/17/2010 5:10 AM, Parshwa Murdia wrote: 
> > > You say correctly, 'The "best" programming language, is the one you
> > > feel most comfortable with, obviously.' As I am new and starting
> > > just, so I guess (with all the suggestions I get and from searching
> > > too) that either Python or C language would be a good start. Pascal
> > > is now less used. 
> > 
> > The thing to keep in mind here is what is the purpose of the language
> > you're choosing for this step in your journey.  You are clearly not
> > going to be writing production software for some time.  You are
> > choosing a language that will serve as a canvas for early-stages
> > learning.  At this point, you probably want to evaluate your tools in
> > terms of their pedagogic advantages, rather than practical advantages
> > for implementing working production software.
> > 
> > Keep in mind that many first year programming / computing science
> > classes use toy languages - purposely kept small to illustrate a few
> > programming concepts without distracting you with other concepts.
> > 
> > IMHO, a first learning language should introduce concepts including:
> >   * Variables
> >   * Typing of variables (strong typing)
> >   * Arrays
> >   * Data structures
> >   * Boolean logic expressions
> >   * Flow control and looping (if, then, else ; while ; for,to)
> >   * Procedure and / or function calls
> >   * Formal parameters vs. actual parameters
> >   * Recursion
> >   * Equivalence of recursion and iteration
> >   * Compilation
> >   * Compile-time vs. Run-time errors
> > A first programming language should avoid concepts like:
> >   * Pointers (at least in the C conception of them, breaking the
> > typing system)
> >   * Dynamic typing
> >   * Polymorphism
> >   * Inheritance
> > That in mind, my suggestion for a first language would generally be
> > more similar to Pascal or Modula-2 than C, Python, C++, Java,...
> > 
> > > However, I agree with you that programing principles remain the same
> > > for any language, indeed.
> > 
> > Principles remain the same for particular collections of languages.
> > The principles at play in functional languages (LISP, Prolog,...) are
> > different than those of procedural languages (Pascal, Modula-2, C)
> > which are different still from OO languages (C++, Java, SmallTalk,
> > Python) - though OO shares more with procedural than functional
> > languages.
> > 
> I see a lot of complaints about pointers in all these messages, telling
> this novice to avoid them.  But the fact is that all languages rely on
> pointers.  Even the beloved scripting languages so many tout, cannot
> exist without pointers.
> 
> The fact is that all data in the computer resides in memory or on disk
> or some other file system.  Every file system depends on pointers.  If
> you look for example (using one of the oldest and free forms that is
> easily accessible) FAT 16, The base structure starts with the location
> 0, which is a pointer to a data store describing the disk.  In turn,
> from that you find pointers to the partition table.  From that you find
> pointers to the FAT table itself, and to the data.  From the fat table
> you get an array of indexed pointers to data segments which are pointers
> to boundaries of data blocks, and from the partition table you get a
> description of the sector layout, the retrieval blocking and other
> information about the structure, which allow you to decode the FAT table
> and extract the data.
> 
> The beloved object oriented folks have pointers built in, that are used
> to access the procedures that affect the objects.  The objects are in
> fact structures, which are created in blocks and again pointers are used
> to reference that information.  When you use an array, that is an
> indexed offset from a pointer.
> 
> Someone said pointers break the typing.  That is not true, if you do not
> break pointer typing to begin with.  That is a pointer can be typed, and
> moreover someone who uses an integer for a pointer is voiding type
> control in his program.  
> 
> No knowing pointers means not having any clue to how the underlying
> structure works and leads to weak programming. 
> 
> I strongly encourage every beginning programmer to learn pointers,
> pointer usage and pointer math to understand some of the mechanisms that
> make programs break.  A programmer who doesn't understand the strengths
> and weaknesses of pointers is like a plumber who doesn't know how pipes
> work and what makes a manifold.  He can hack around, but he cannot
> diagnose when plumbing makes noises, doesn't flow correctly or even
> backflows.
> 
> That is my opinion.  Maybe I am out to lunch, but has anyone seen any
> language that didn't access memory?
> 
> Regards,
> Les H
> 
> -- 

Being out to lunch is goodI prefer good foo

Re: Installation problem

2010-12-18 Thread stan
On Sun, 19 Dec 2010 10:33:18 +0900
外川 康徳  wrote:

> Hello,
> 
> I have downloaded i386 install cd-image iso files and tried
> toinstall those. But it failed indicating message on the
> screen following;
> ---
> Running anaconda 14.22, the Fedora system insaller - please wait.
> **:**:** The following error was found while parsing the kickstart
> configuration file:
> 
> Section does not end with %%end.
> 
> insall exited abnormally [1/1]
> The system will be rebooted when you press Ctrl-C or Ctrl-Alt-Delete.
> --
> 
> This is the very early phase of installation; this occurred
> reading 1st cd image.
> 
> I'm not able to install fedora on my PC due to this problem.
> Does anyone have solution for this?

Not sure, but it sounds like the burned media is corrupted.  That is,
the ISO you burned is probably OK, but while burning it didn't burn
properly.  Try burning at a slower speed.

You should also verify that the ISO you downloaded isn't corrupt.  I
think it gives instructions how to do that on the download page.
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Re: XRDP - Howto select which desktop to run at login?

2010-12-18 Thread Suvayu Ali
On Sat, 18 Dec 2010 17:05:12 -0800, KC8LDO  wrote:

>
>> to change which desktop to run you need to edit startwm.sh under  
>> /etc/xrdp
> That I already know about. What I want is something like when you login  
> at
> the locally attached console where you can pick which desktop to use for
> that session.
>
>> in newer version of this rpm I think you can edit
>> /etc/sysconfig/desktop or something like that.
> I want to pick the desktop to use at login time without editing files.

If you are using GDM, just enter your username then the menu should appear  
at the bottom of the login screen where you should be able to choose the  
desktop of your choice before typing in your password. This choice should  
not change even if you reboot. Your default desktop would what ever you  
chose the last time.

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Re: IPSec (OpenSWAN)

2010-12-18 Thread James McKenzie
On 12/3/10 1:39 PM, Trever L. Adams wrote:
> Hello Everyone,
>
> I have been struggling to get OpenSWAN to work. I am trying to get a
> setup going with the following:
>
> Router<-->  Router, IPSec only, Pre-shared keys or certs (ESP, tunnel or
Get this to work in tunnel mode first.
> not)
> Router<-->  Android Phones, IPSec/L2TP, Pre-shared keys (the certs is a
> lot of messing around that I am not comfortable doing yet with other
> people's phones
Your second comment is very true.  Also, you should avoid shared secrets 
if you can.  I would recommend going with the certificate method as it 
is easier to update as well.  You did point out that you do not have 
full control of them.
> I haven't yet tried Router to Router as I have seen it said that it is
> best to get the PSK w/ L2TP working first. The error I get (sorry, don't
> have the phone to test with and I can't find it in the logs at the
> moment) says something about not finding a valid pair and ignoring the
> connection on port 500.
>
It is looking for certificates, not a pre-shared key.  Certificates are 
the default method.

As to getting your own Certificate Authority on the phones, that should 
not be hard.  Look for a good Android guide and it should point out how 
to do this.  You may be able to fall back on a Linux guide if you can 
root the box...

James McKenzie

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Re: recover lvm partition

2010-12-18 Thread Patrick Dupre

On Sun, 19 Dec 2010, Gregory Hosler wrote:


-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

On 12/18/2010 11:25 PM, Patrick Dupre wrote:

Hello,

I made a big mistake, think that lvm partitionning was working has
gparted !

In a couple of words
I made a lvreduce -l+250 /dev/Vol0/part1
then
lvextend -l+250 /dev/Vol0/part2

part1 had more than 250 extends free but fsck abort on /dev/Vol0/part1
(but is OK on part2).
Can I go back, ie. move back the 250 extends ?


no. not exactly.

sounds like you forgot to resize2fs the filesystem prior to the 

reduction.a
Yes, I though that it will have do it by itself !
probably that system-config-lvm would have do it, but I did not find
a cd live with system-config-lvm !
I did not what to touch the lv on an active system.
So question, is it safe to resize the logical partition on an active
drive ?
Is there a live CD with a system-config-lvm ?

Thank.


 That

is a non-recoverable, catastrophic, mistake. You will need to recover from your
most recent backup.

you *may* be able to mount the non-fsck filesystem and copy it somewhere. do not
expect that everything will be recovered, from what you have described, it is
likely that any files that were in the extends that you gave up will be
corrupted. in fact, the copy of those files will fail because the blocks that
the file used to be in is no longer balled to the block device.

but you *may* be able to recover other files, before you go about the business
of rebuilding and reconstructing your lvm...

All the best,

- -Greg


Thank.




- --
+-+

Please also check the log file at "/dev/null" for additional information.
   (from /var/log/Xorg.setup.log)

| Greg Hosler   ghos...@redhat.com|
+-+
-BEGIN PGP SIGNATURE-
Version: GnuPG v1.4.10 (GNU/Linux)
Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org/

iEYEARECAAYFAk0NZJsACgkQ404fl/0CV/RqbgCbBt1l97BnA/dxKa4CcEB8JWgB
1s4AnihgvQPwB7YVbp5kKvc/r6AOYxlW
=kH5q
-END PGP SIGNATURE-



--
---
==
 Patrick DUPRÉ  |   |
 Department of Chemistry|   |  Phone: (44)-(0)-1904-434384
 The University of York |   |  Fax:   (44)-(0)-1904-432516
 Heslington |   |
 York YO10 5DD  United Kingdom  |   |  email: patrick.du...@york.ac.uk
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Re: recover lvm partition

2010-12-18 Thread Gregory Hosler
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

On 12/18/2010 11:25 PM, Patrick Dupre wrote:
> Hello,
> 
> I made a big mistake, think that lvm partitionning was working has
> gparted !
> 
> In a couple of words
> I made a lvreduce -l+250 /dev/Vol0/part1
> then
> lvextend -l+250 /dev/Vol0/part2
> 
> part1 had more than 250 extends free but fsck abort on /dev/Vol0/part1
> (but is OK on part2).
> Can I go back, ie. move back the 250 extends ?

no. not exactly.

sounds like you forgot to resize2fs the filesystem prior to the reduction. That
is a non-recoverable, catastrophic, mistake. You will need to recover from your
most recent backup.

you *may* be able to mount the non-fsck filesystem and copy it somewhere. do not
expect that everything will be recovered, from what you have described, it is
likely that any files that were in the extends that you gave up will be
corrupted. in fact, the copy of those files will fail because the blocks that
the file used to be in is no longer balled to the block device.

but you *may* be able to recover other files, before you go about the business
of rebuilding and reconstructing your lvm...

All the best,

- -Greg

> Thank.
> 


- -- 
+-+

Please also check the log file at "/dev/null" for additional information.
(from /var/log/Xorg.setup.log)

| Greg Hosler   ghos...@redhat.com|
+-+
-BEGIN PGP SIGNATURE-
Version: GnuPG v1.4.10 (GNU/Linux)
Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org/

iEYEARECAAYFAk0NZJsACgkQ404fl/0CV/RqbgCbBt1l97BnA/dxKa4CcEB8JWgB
1s4AnihgvQPwB7YVbp5kKvc/r6AOYxlW
=kH5q
-END PGP SIGNATURE-
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Re: partition table

2010-12-18 Thread Gregory Hosler
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

On 12/19/2010 03:44 AM, Patrick Dupre wrote:
> Hello,
> 
> How can I display the partition table with lvm partitions.
> fdisk only give the lvm partition, not the details.

vgdisplay -- info on the vol group(s) you have

lvdisplay -- info on the lv's that you have.

both take optional args. man the man pages for add'l info.

All the best,

- -Greg

- -- 
+-+

Please also check the log file at "/dev/null" for additional information.
(from /var/log/Xorg.setup.log)

| Greg Hosler   ghos...@redhat.com|
+-+
-BEGIN PGP SIGNATURE-
Version: GnuPG v1.4.10 (GNU/Linux)
Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org/

iEYEARECAAYFAk0NY48ACgkQ404fl/0CV/T52wCgg+WdqqyUkhLL9X03zzYhyusE
ND0AoJ9w3PBb5EUWa+2nq+C0OjvdMZRR
=9MTi
-END PGP SIGNATURE-
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Installation problem

2010-12-18 Thread 外川 康徳
Hello,

I have downloaded i386 install cd-image iso files and tried
toinstall those. But it failed indicating message on the
screen following;
---
Running anaconda 14.22, the Fedora system insaller - please wait.
**:**:** The following error was found while parsing the kickstart
configuration file:

Section does not end with %%end.

insall exited abnormally [1/1]
The system will be rebooted when you press Ctrl-C or Ctrl-Alt-Delete.
--

This is the very early phase of installation; this occurred
reading 1st cd image.

I'm not able to install fedora on my PC due to this problem.
Does anyone have solution for this?

Regards,

Yasunori Togawa
ytogayan0...@y5.dion.ne.jp

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Re: XRDP - Howto select which desktop to run at login?

2010-12-18 Thread KC8LDO
>fc11 is outdated, I recommend you to use fedora 14

Easy to recommend but I don't have that choice. Anyway I know what some of 
the common problems are for Fedora-11, Fedora-14 I may as well start all 
over again, a waste of my time. I have a Fedora-13 box where I can't even 
get the qemu-kvm system updated where you can install Windows XP Pro or 2000 
Pro as a VM without a failure on the second stage install. It's a known bug 
and there doesn't appear to be any real interest in fixing it. It works fine 
on Fedora-11 however. I don't know if this problem is fixed on Fedora-14 or 
not for sure. There is something to be said with sticking with an older 
version where most of the bugs have been ironed out.

>to change which desktop to run you need to edit startwm.sh under /etc/xrdp

That I already know about. What I want is something like when you login at 
the locally attached console where you can pick which desktop to use for 
that session.

>in newer version of this rpm I think you can edit
>/etc/sysconfig/desktop or something like that.

I want to pick the desktop to use at login time without editing files.

>-- 
>

>Itamar Reis Peixoto
>msn, google talk: ita...@ispbrasil.com.br
>+55 11 4063 5033 (FIXO SP)
>+55 34 9158 9329 (TIM)
>+55 34 8806 3989 (OI)
>+55 34 3221 8599 (FIXO MG)

Regards;

Leland C. Scott
KC8LDO 

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crypto

2010-12-18 Thread Patrick Dupre

Hello,

I have a disk on a computer with I usd to mount with crypto_LUKS.
I am trying to mount it on another PC, and I get:
mount: unknown filesystem type 'crypto_LUKS'

How can I either remove the crytpo temporally or mount it on the other
PC (after I will have the option to give the passphrase).

Thank.


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 The University of York |   |  Fax:   (44)-(0)-1904-432516
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Re: various errors related to configuration

2010-12-18 Thread les
On Fri, 2010-12-17 at 10:17 -0600, Hugh Brown wrote:
> Les wrote:
> > I started with an evolution configuration error, and now a
> > Firefox/Mozilla configuration error, so it appears to me that this might
> > be a system level error.  Maybe some file or directory permissions
> > issue, or perhaps a generic configuration error.
> > 
> > I tried using the Firefox ProfileManager to create a new profile, but
> > that lost me all my bookmarks, as well as not changing a problem getting
> > my home page to load at startup, in spite of that being the selection on
> > the preferences page, even after creating a new user profile with the
> > profile manager.  Java won't run, even after reloading from the software
> > add/remove manager.
> 
> Creating a new profile in Firefox does exactly that.  The old bookmarks 
> are in your old profile.  You can restore them from the old profiles 
> bookmark directory. From within the bookmark manager, choose to Import 
> and Backup->Restore->Choose file and then browse to 
> ~/.mozilla/firefox/.default/ and then pick the most 
> recent file.
> 
> When you say Java won't run, do you mean the java plugin won't load in 
> your browser or that you can't get the command line tools to work?
> 
> If it's the plugin that won't run, you'll need to add a link for the 
> plugin into either your user plugin directory 
> (~/.mozilla/firefox/plugins) or a system plugin directory 
> (/usr/lib64/mozilla/plugins).
> 
> e.g. ln -s /usr/java/default/jre/lib/amd64/libnpjp2.so 
> /usr/lib64/mozilla/plugins   to do it system wide
> 
> 
> > 
> >  Next I went to the Java website to get the new package, and retrieved
> > the jre-6u23-linux-x64-rpm.bin file.  when I attempted to source that
> > file I get:
> > 
> > $ ./j*bin
> > Unpacking...
> > Checksumming...
> > Extracting...
> > UnZipSFX 5.50 of 17 February 2002, by Info-ZIP (zip-b...@lists.wku.edu).
> > replace jre-6u23-linux-amd64.rpm? [y]es, [n]o, [A]ll, [N]one, [r]ename:
> > y
> >   inflating: jre-6u23-linux-amd64.rpm  
> > error: can't create transaction lock on /var/lib/rpm/.rpm.lock
> > (Permission denied)
> > 
> > but the file appears to uncompress and be present as:
> > 
> > jre-6u23-linux-x64-rpm
> > 
> > but I am unsure of loading it with the prior error in existence.
> 
> By default the script from sun/oracle tries to unpack the rpm and then 
> install it.  You ran this as a non-root user (which is fine), it tried 
> to install the rpm and failed.  You can safely install the rpm.
> 
> Hugh
Hi, Hugh,
I did add the link, and then corrected it, then tried
# mozilla-plugin-config -i
*** NSPlugin Viewer  *** ERROR: /usr/lib64/mozilla/plugins/libnpjp2.so:
undefined symbol: __gxx_personality_v0

So at this time, the jre plugin is not installed and I seem to be
missing some vital library function to get it to work.  

After a great deal of google surfing I discovered that this fuction is
supposedly part of libstdcc++. Using yum I discovered that that is
supported by: libstdc++.x86_64

running yum info libstdc++.x86_64 I get:

# yum info libstdc++.x86_64
Loaded plugins: langpacks, presto, refresh-packagekit
Adding en_US to language list
Installed Packages
Name: libstdc++
Arch: x86_64
Version : 4.5.1
Release : 4.fc14
Size: 1.0 M
Repo: installed
>From repo   : fedora
Summary : GNU Standard C++ Library
URL : http://gcc.gnu.org
License : GPLv3+ and GPLv3+ with exceptions and GPLv2+ with
exceptions
Description : The libstdc++ package contains a rewritten standard
compliant GCC
: Standard C++ Library.

This also shows up as installed via the graphics window, as I am not
trusting any single method to give me information now.

# mozilla-plugin-config -l
EXCLUDE_WRAP:
libtotem*
libjavaplugin*
gecko-mediaplayer*
mplayerplug-in*
librhythmbox*
packagekit*
libnsISpicec*
EXCLUDE_LINK:

/usr/lib64/mozilla/plugins-wrapped/nswrapper_64_64.libflashplayer.so
  Original plugin: /usr/lib64/mozilla/plugins/libflashplayer.so
  Wrapper version string: X (1.3.0)
File/Link /usr/lib64/mozilla/plugins-wrapped/libtotem-narrowspace-plugin.so
File/Link /usr/lib64/mozilla/plugins-wrapped/libtotem-gmp-plugin.so
File/Link /usr/lib64/mozilla/plugins-wrapped/libtotem-mully-plugin.so
File/Link 
/usr/lib64/mozilla/plugins-wrapped/librhythmbox-itms-detection-plugin.so
File/Link /usr/lib64/mozilla/plugins-wrapped/libtotem-cone-plugin.so
File/Link /usr/lib64/mozilla/plugins-wrapped/libnpjp2.so
/usr/lib64/mozilla/plugins-wrapped/nswrapper_64_64.libflashplayer.so
  Original plugin: /usr/lib64/mozilla/plugins/libflashplayer.so
  Wrapper version string: X (1.3.0)
File/Link /usr/lib64/mozilla/plugins-wrapped/libtotem-narrowspace-plugin.so
File/Link /usr/lib64/mozilla/plugins-wrapped/libtotem-gmp-plugin.so
File/Link /usr/lib64/mozilla/plugins-wrapped/libtotem-mully-plugin.so
File/Link 
/usr/lib64/mozilla/plugins-wrapped/librhythmbox-itms-detection-plugin.so
File/Link /usr/lib64/mozilla/plugins-wrapped/libtotem-cone-pl

Re: XRDP - Howto select which desktop to run at login?

2010-12-18 Thread Itamar Reis Peixoto
>
> Depending on which computer I'm using one of the following packages are
> installed:
>
> xrdp-0.5.0-0.5.20090811cvs.fc11.i586.rpm
> xrdp-0.5.0-0.5.20090811cvs.fc11.x86_64.rpm
> xrdp-0.5.0-0.10.03172010.fc12.i686.rpm
> xrdp-0.5.0-0.13.fc13.x86_64.rpm
>
> Regards;
>
> Leland C. Scott
> KC8LDO


fc11 is outdated, I recommend you to use fedora 14

to change which desktop to run you need to edit startwm.sh under /etc/xrdp

in newer version of this rpm I think you can edit
/etc/sysconfig/desktop or something like that.



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Re: XRDP - Howto select which desktop to run at login?

2010-12-18 Thread KC8LDO
>what version of xrdp are you using ?
>-- 
>

>Itamar Reis Peixoto
>msn, google talk: ita...@ispbrasil.com.br
>+55 11 4063 5033 (FIXO SP)
>+55 34 9158 9329 (TIM)
>+55 34 8806 3989 (OI)
>+55 34 3221 8599 (FIXO MG)

Depending on which computer I'm using one of the following packages are 
installed:

xrdp-0.5.0-0.5.20090811cvs.fc11.i586.rpm
xrdp-0.5.0-0.5.20090811cvs.fc11.x86_64.rpm
xrdp-0.5.0-0.10.03172010.fc12.i686.rpm
xrdp-0.5.0-0.13.fc13.x86_64.rpm

Regards;

Leland C. Scott
KC8LDO

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Re: Change m...@every boot

2010-12-18 Thread Larry Brower
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA512

On 12/18/2010 06:29 AM, S Mathias wrote:
> lsb_release -a
> LSB Version:  :core-4.0-ia32:core-4.0-noarch
> Distributor ID:   Fedora
> Description:  Fedora release 14 (Laughlin)
> Release:  14
> Codename: Laughlin
> 
> # uname -a
> Linux a 2.6.35.9-64.fc14.i686.PAE #1 SMP Fri Dec 3 12:28:00 UTC 2010 i686 
> i686 i386 GNU/Linux
> 
> 
> I'm trying to do what was mentioned in the $subject:
> 
> echo -e '#!/bin/bash\n\nmacchanger -r eth0\nmacchanger -r wlan0' > 
> /etc/rc.d/init.d/macchanger
> ln -s /etc/rc.d/init.d/macchanger /etc/rc.d/rc5.d/S22macchanger
> chmod +x /etc/rc.d/init.d/macchanger
> 
> 
> S23 is the network manager, and i'm sure i'm in runlevel 5.
> 
> but the mac doesn't change at boot, and i can't see any log messages 
> regarding it :(
> 
> Where should i put my script? or it doesn't have enough permission to change 
> the MAC's?
> 
> Thank you for any help (or pointing to a howto)
> 
> 
>   


Why exactly are you trying to do this?
The MAC address is the hardware address of the NIC and is supposed to
stay the same.


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Re: XRDP - Howto select which desktop to run at login?

2010-12-18 Thread Itamar Reis Peixoto
On Sat, Dec 18, 2010 at 9:08 PM, KC8LDO  wrote:
> I installed some packages I needed to build a package the other day. It
> loaded up a bunch of the KDE libraries and development files. When I logged
> back in the next day my desktop had switched from Genome to KDE. I finally
> found out I had to edit the order of which desktop to start in a file in the
> XRDP folder. Apparently this selects the desktop for all remote logins.
>
> That got me thinking. Is there anyway to pick on a per user, and per session
> basis, which desktop is started on login using XRDP?
>
> Regards;
>
> Leland C. Scott
> KC8LDO
>


what version of xrdp are you using ?



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XRDP - Howto select which desktop to run at login?

2010-12-18 Thread KC8LDO
I installed some packages I needed to build a package the other day. It 
loaded up a bunch of the KDE libraries and development files. When I logged 
back in the next day my desktop had switched from Genome to KDE. I finally 
found out I had to edit the order of which desktop to start in a file in the 
XRDP folder. Apparently this selects the desktop for all remote logins.

That got me thinking. Is there anyway to pick on a per user, and per session 
basis, which desktop is started on login using XRDP?

Regards;

Leland C. Scott
KC8LDO 

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Re: Compiz on KDE ?

2010-12-18 Thread Rex Dieter
Jim wrote:

> Fedora 14
> 
> $ compiz
> compiz (core) - Error: Screen 0 on display ":0.0" already has a window
> manager; try using the --replace option to replace the current window
> manager.
> compiz (core) - Fatal: No manageable screens found on display :0.0
> 
> 
> What do I do here ?

Try,
compiz --replace
as suggested?

-- Rex

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Re: F14 boot hangs on atd -- temptation to suppuku

2010-12-18 Thread Tom Horsley
On Sat, 18 Dec 2010 22:19:09 + (UTC)
Beartooth wrote:

>   Anyway, I suspect the real trouble is misrecognition of the 
> monitor. That's an HP w2207h, at 1680x1050; but xrandr reports 800x480.

Try booting run level 3 - that won't try to start the X server.
(edit /etc/inittab and change the :5: on the last line to :3:).

You could also look at the /var/log/Xorg.0.log file and
see if there are any errors that make any sense, but if you
are just using it as a server, maybe you don't need it
starting up X anyway.
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Compiz on KDE ?

2010-12-18 Thread Jim
Fedora 14

$ compiz
compiz (core) - Error: Screen 0 on display ":0.0" already has a window 
manager; try using the --replace option to replace the current window 
manager.
compiz (core) - Fatal: No manageable screens found on display :0.0


What do I do here ?
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Re: Damn these Windows Virus Testers - Online

2010-12-18 Thread Michael Miles
Lamar Owen wrote:
> On Saturday, December 18, 2010 02:21:37 pm Jim wrote:
>
>> It does not make any difference what Website your on it's just pops up
>> and starts
>>  
> More information about these 'surf-by' infection agents:
> http://blog.webroot.com/2009/11/25/fakealerts-building-a-better-mousetrap/
>
I get this all the time and it tells me I am infected by several viruses.
Scam to say the least.
I take not of the addresses that they are coming from and block them in 
firefox


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F14 boot hangs on atd -- temptation to suppuku

2010-12-18 Thread Beartooth

My oldest PC (an inherited Dell PowerEdge SC1420, remodeled by a 
friend who speaks hardware, to run without RAID, serving as live storage 
and emergency backup) boots as far as "starting atd" (which says OK), and 
hangs. What comes after atd, or should?? And why launch atd anyhow? 
According to the man page, it should have been swallowed up in cron long 
since.

Anyway, I suspect the real trouble is misrecognition of the 
monitor. That's an HP w2207h, at 1680x1050; but xrandr reports 800x480.

livna-config-display (which I happened to stumble on, whatever it 
is) seems to tell me the F14 install lacks nvidia -- though I have both 
rpmfusion repos enabled.

Running gpk under ssh -Y from another machine on the LAN, and 
searching nvidia, finds a long list of modules. Trying to install them 
all tells me it gets a lot of conflicts with 96xx and 173xx; I go back 
and remove them -- which takes some doing.

Then I get errors because something I checked is older than 
something already installed. (Remember something earlier told me I had 
*no* nvidia. Some of the attempts that appeared to fail must have done 
good things while I wasn't looking, maybe ...)

Finally, finally, a gpk-application does complete. I close it, 
and tell the beleagured old machine to reboot. It gets to starting atd, 
calls  that OK -- and hangs.

Is there a way to kill yourself electronically, all at once, and 
get it over with??

-- 
Beartooth Staffwright, Neo-Redneck Not Quite Clueless Power User
I have precious (very precious!) little idea where up is.


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Re: Damn these Windows Virus Testers - Online

2010-12-18 Thread Joe Zeff
On 12/18/2010 01:12 PM, Jim wrote:
> This Virus Tester won't allow me to shut down Firefox, no matter what I
> click on. crtl-alt-backspace is the the only way out.

Try adding Force Quit to one of your panels.  Then, if this happens 
again, click on it.  You'll get a little popup window that tells you to 
click on the program you want to close, or Esc to exit.  Click on the 
Firefox window, confirm that you really want to force quit and Bob's 
your uncle.
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Re: Damn these Windows Virus Testers - Online

2010-12-18 Thread Patrick O'Callaghan
On Sat, 2010-12-18 at 16:12 -0500, Jim wrote:
> On 12/18/2010 03:56 PM, Joe Zeff wrote:
> > On 12/18/2010 11:29 AM, Frank Cox wrote:
> >> I have no idea what a Windows Virus Test is or how it's relevant to Linux, 
> >> but
> >> if it's some kind of a automated advertisement or something similar to that
> > It's an attempt to trick you into installing malware.  Not only does it
> > always find "infections," even if you try to close the download box or
> > click on Cancel, it starts the download.  Of course, it's all Windows
> > specific and Firefox (well, my copy, at least) won't run any program
> > without asking, but getting rid of it can be a problem.
> >
> > Try this: close Firefox, then use Ctrl-F2 to bring up a command line and
> > type in the url of your home page.  This should open Firefox without
> > going back to the attack site.
> This Virus Tester won't allow me to shut down Firefox, no matter what I 
> click on. crtl-alt-backspace is the the only way out.

Do you have the noscript plugin? If not, install it and use it.

poc

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Re: Damn these Windows Virus Testers - Online

2010-12-18 Thread Frank Cox
On Sat, 18 Dec 2010 16:12:06 -0500
Jim wrote:

> This Virus Tester won't allow me to shut down Firefox, no matter what I 
> click on. crtl-alt-backspace is the the only way out.

killall firefox

killall -9 firefox

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Re: Damn these Windows Virus Testers - Online

2010-12-18 Thread Jim
On 12/18/2010 03:56 PM, Joe Zeff wrote:
> On 12/18/2010 11:29 AM, Frank Cox wrote:
>> I have no idea what a Windows Virus Test is or how it's relevant to Linux, 
>> but
>> if it's some kind of a automated advertisement or something similar to that
> It's an attempt to trick you into installing malware.  Not only does it
> always find "infections," even if you try to close the download box or
> click on Cancel, it starts the download.  Of course, it's all Windows
> specific and Firefox (well, my copy, at least) won't run any program
> without asking, but getting rid of it can be a problem.
>
> Try this: close Firefox, then use Ctrl-F2 to bring up a command line and
> type in the url of your home page.  This should open Firefox without
> going back to the attack site.
This Virus Tester won't allow me to shut down Firefox, no matter what I 
click on. crtl-alt-backspace is the the only way out.
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Re: Damn these Windows Virus Testers - Online

2010-12-18 Thread Joe Zeff
On 12/18/2010 11:29 AM, Frank Cox wrote:
> I have no idea what a Windows Virus Test is or how it's relevant to Linux, but
> if it's some kind of a automated advertisement or something similar to that

It's an attempt to trick you into installing malware.  Not only does it 
always find "infections," even if you try to close the download box or 
click on Cancel, it starts the download.  Of course, it's all Windows 
specific and Firefox (well, my copy, at least) won't run any program 
without asking, but getting rid of it can be a problem.

Try this: close Firefox, then use Ctrl-F2 to bring up a command line and 
type in the url of your home page.  This should open Firefox without 
going back to the attack site.
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Re: partition table

2010-12-18 Thread Peter Larsen
You shouldn't name your lvs like pathnames as you did. It is just going to 
confuse you down the road.

A common naming is lv_. Ie lv_root. 
So to address the lv from lvdisplay you do vg-name/lv-name. It is not a path to 
a file system location. 

Lvdisplay only worls from that naming convention.

Patrick Dupre  wrote:

>Thank.
>
>Can you do something with this:
>
>
>
>
>lvdisplay /dev/VolGrpSys0/
>   /dev/VolGrpSys0/root_usr: read failed after 0 of 4096 at 11534270464: 
>Input/output error
>   /dev/VolGrpSys0/root_usr: read failed after 0 of 4096 at 11534327808: 
>Input/output error
>   /dev/VolGrpSys0/root_usr: read failed after 0 of 4096 at 0: Input/output 
>error
>   /dev/VolGrpSys0/root_usr: read failed after 0 of 4096 at 4096: 
>Input/output error
>   /dev/VolGrpSys0/root_usr_lib: read failed after 0 of 4096 at 3145662464: 
>Input/output error
>   /dev/VolGrpSys0/root_usr_lib: read failed after 0 of 4096 at 3145719808: 
>Input/output error
>   /dev/VolGrpSys0/root_usr_lib: read failed after 0 of 4096 at 0: 
>Input/output error
>   /dev/VolGrpSys0/root_usr_lib: read failed after 0 of 4096 at 4096: 
>Input/output error
>   /dev/VolGrpSys0/root_usr_local: read failed after 0 of 4096 at 
>13627228160: Input/output error
>   /dev/VolGrpSys0/root_usr_local: read failed after 0 of 4096 at 
>13627285504: Input/output error
>   /dev/VolGrpSys0/root_usr_local: read failed after 0 of 4096 at 0: 
>Input/output error
>   /dev/VolGrpSys0/root_usr_local: read failed after 0 of 4096 at 4096: 
>Input/output error
>   /dev/VolGrpSys0/root_usr_src: read failed after 0 of 4096 at 6291390464: 
>Input/output error
>   /dev/VolGrpSys0/root_usr_src: read failed after 0 of 4096 at 6291447808: 
>Input/output error
>   /dev/VolGrpSys0/root_usr_src: read failed after 0 of 4096 at 0: 
>Input/output error
>   /dev/VolGrpSys0/root_usr_src: read failed after 0 of 4096 at 4096: 
>Input/output error
>   One or more specified logical volume(s) not found.
>
>and this !
>
>
>   --- Logical volume ---
>   LV Name/dev/VolGrpSys0/root_usr
>   VG NameVolGrpSys0
>   LV UUIDAdPmoo-VyKK-3wk9-yn3u-6fTV-qdFq-2nXpel
>   LV Write Accessread/write
>   LV Status  available
>   # open 2
>   LV Size10.74 GiB
>   Current LE 2750
>   Segments   1
>   Allocation inherit
>   Read ahead sectors auto
>   - currently set to 256
>   Block device   253:16
>
>   --- Logical volume ---
>   LV Name/dev/VolGrpSys0/root_usr_lib
>   VG NameVolGrpSys0
>   LV UUIDVcPp7o-UrE4-7Ubb-CaYd-ZIbJ-VcbI-sv362Z
>   LV Write Accessread/write
>   LV Status  available
>   # open 2
>   LV Size2.93 GiB
>   Current LE 750
>   Segments   1
>   Allocation inherit
>   Read ahead sectors auto
>   - currently set to 256
>   Block device   253:17
>
>   --- Logical volume ---
>   LV Name/dev/VolGrpSys0/root_usr_local
>   VG NameVolGrpSys0
>   LV UUIDkXzQq6-Ikzk-xn0O-LLQu-fS0g-6Cmn-O6u0nJ
>   LV Write Accessread/write
>   LV Status  available
>   # open 2
>   LV Size12.69 GiB
>   Current LE 3249
>   Segments   3
>   Allocation inherit
>   Read ahead sectors auto
>   - currently set to 256
>   Block device   253:18
>
>   --- Logical volume ---
>   LV Name/dev/VolGrpSys0/root_usr_src
>   VG NameVolGrpSys0
>   LV UUIDZcDrCr-MHlb-JN1b-12B1-FTu3-qzri-Z6dqd0
>   LV Write Accessread/write
>   LV Status  available
>   # open 2
>   LV Size5.86 GiB
>   Current LE 1500
>   Segments   1
>   Allocation inherit
>   Read ahead sectors auto
>   - currently set to 256
>   Block device   253:19
>
>
>
>
>> No such thing as lvm partition unless you're talking the pv. Fdisk shows 
>> your where it is, and pvdisplay gives you the details of the pv.  Similar 
>> vgdisplay and lvdisplay gives you details of the logical volumes.
>
>Patrick Dupre  wrote:
>
>>Hello,
>>
>>How can I display the partition table with lvm partitions.
>>fdisk only give the lvm partition, not the details.
>>
>>Thank.
>>
>>-- 
>>---
>>==
>>  Patrick DUPRÉ  |   |
>>  Department of Chemistry|   |  Phone: (44)-(0)-1904-434384
>>  The University of York |   |  Fax:   (44)-(0)-1904-432516
>>  Heslington |   |
>>  York YO10 5DD  United Kingdom  |   |  email: patrick.du...@york.ac.uk
>>==
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Re: About programing, a general question

2010-12-18 Thread Parshwa Murdia
On Wed, Dec 15, 2010 at 1:15 AM, les  wrote:

I see a lot of complaints about pointers in all these messages, telling
> this novice to avoid them.  But the fact is that all languages rely on
> pointers.  Even the beloved scripting languages so many tout, cannot
> exist without pointers.
>
> The fact is that all data in the computer resides in memory or on disk
> or some other file system.  Every file system depends on pointers.  If
> you look for example (using one of the oldest and free forms that is
> easily accessible) FAT 16, The base structure starts with the location
> 0, which is a pointer to a data store describing the disk.  In turn,
> from that you find pointers to the partition table.  From that you find
> pointers to the FAT table itself, and to the data.  From the fat table
> you get an array of indexed pointers to data segments which are pointers
> to boundaries of data blocks, and from the partition table you get a
> description of the sector layout, the retrieval blocking and other
> information about the structure, which allow you to decode the FAT table
> and extract the data.
>
> The beloved object oriented folks have pointers built in, that are used
> to access the procedures that affect the objects.  The objects are in
> fact structures, which are created in blocks and again pointers are used
> to reference that information.  When you use an array, that is an
> indexed offset from a pointer.
>
> Someone said pointers break the typing.  That is not true, if you do not
> break pointer typing to begin with.  That is a pointer can be typed, and
> moreover someone who uses an integer for a pointer is voiding type
> control in his program.
>
> No knowing pointers means not having any clue to how the underlying
> structure works and leads to weak programming.
>
> I strongly encourage every beginning programmer to learn pointers,
> pointer usage and pointer math to understand some of the mechanisms that
> make programs break.  A programmer who doesn't understand the strengths
> and weaknesses of pointers is like a plumber who doesn't know how pipes
> work and what makes a manifold.  He can hack around, but he cannot
> diagnose when plumbing makes noises, doesn't flow correctly or even
> backflows.
>
> That is my opinion.  Maybe I am out to lunch, but has anyone seen any
> language that didn't access memory?
>
> Regards,
> Les H



That's nice, but starting with the pointers is not good, I guess and hope as
to learn pointeers, the things prior to pointers should be well grasped and
someone told me, e.g., arrays and loops.


-- 

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Parshwa Murdia
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Re: OfflineIMAP not working

2010-12-18 Thread Suvayu Ali
Hi Christoph,

On Saturday 18 December 2010 08:04 AM, Christoph Höger wrote:
>> * Processing account Test
>> >  Copying folder structure from IMAP to Maildir
>> >  Establishing connection to imap.googlemail.com:143.
>> >  WARNING: Error occured attempting to sync account Test: 110
>> >  * Finished processing account Test
>> >
>> >  Thanks for any thoughts on this.
> This_might_  be a connection timeout - did you check your adress and
> port? Can you telnet them?

$ telnet imap.googlemail.com 143
Trying 74.125.155.16...
telnet: connect to address 74.125.155.16: Connection timed out

So it does look like a network problem but on the other hand I am 
successfully using thunderbird to access email from both my university 
and gmail account with those exact same settings. Not sure what else 
could be wrong.

Thanks for the suggestions so far.

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Re: partition table

2010-12-18 Thread Patrick Dupre

Thank.

Can you do something with this:




lvdisplay /dev/VolGrpSys0/
  /dev/VolGrpSys0/root_usr: read failed after 0 of 4096 at 11534270464: 
Input/output error
  /dev/VolGrpSys0/root_usr: read failed after 0 of 4096 at 11534327808: 
Input/output error
  /dev/VolGrpSys0/root_usr: read failed after 0 of 4096 at 0: Input/output 
error
  /dev/VolGrpSys0/root_usr: read failed after 0 of 4096 at 4096: 
Input/output error
  /dev/VolGrpSys0/root_usr_lib: read failed after 0 of 4096 at 3145662464: 
Input/output error
  /dev/VolGrpSys0/root_usr_lib: read failed after 0 of 4096 at 3145719808: 
Input/output error
  /dev/VolGrpSys0/root_usr_lib: read failed after 0 of 4096 at 0: 
Input/output error
  /dev/VolGrpSys0/root_usr_lib: read failed after 0 of 4096 at 4096: 
Input/output error
  /dev/VolGrpSys0/root_usr_local: read failed after 0 of 4096 at 
13627228160: Input/output error
  /dev/VolGrpSys0/root_usr_local: read failed after 0 of 4096 at 
13627285504: Input/output error
  /dev/VolGrpSys0/root_usr_local: read failed after 0 of 4096 at 0: 
Input/output error
  /dev/VolGrpSys0/root_usr_local: read failed after 0 of 4096 at 4096: 
Input/output error
  /dev/VolGrpSys0/root_usr_src: read failed after 0 of 4096 at 6291390464: 
Input/output error
  /dev/VolGrpSys0/root_usr_src: read failed after 0 of 4096 at 6291447808: 
Input/output error
  /dev/VolGrpSys0/root_usr_src: read failed after 0 of 4096 at 0: 
Input/output error
  /dev/VolGrpSys0/root_usr_src: read failed after 0 of 4096 at 4096: 
Input/output error

  One or more specified logical volume(s) not found.

and this !


  --- Logical volume ---
  LV Name/dev/VolGrpSys0/root_usr
  VG NameVolGrpSys0
  LV UUIDAdPmoo-VyKK-3wk9-yn3u-6fTV-qdFq-2nXpel
  LV Write Accessread/write
  LV Status  available
  # open 2
  LV Size10.74 GiB
  Current LE 2750
  Segments   1
  Allocation inherit
  Read ahead sectors auto
  - currently set to 256
  Block device   253:16

  --- Logical volume ---
  LV Name/dev/VolGrpSys0/root_usr_lib
  VG NameVolGrpSys0
  LV UUIDVcPp7o-UrE4-7Ubb-CaYd-ZIbJ-VcbI-sv362Z
  LV Write Accessread/write
  LV Status  available
  # open 2
  LV Size2.93 GiB
  Current LE 750
  Segments   1
  Allocation inherit
  Read ahead sectors auto
  - currently set to 256
  Block device   253:17

  --- Logical volume ---
  LV Name/dev/VolGrpSys0/root_usr_local
  VG NameVolGrpSys0
  LV UUIDkXzQq6-Ikzk-xn0O-LLQu-fS0g-6Cmn-O6u0nJ
  LV Write Accessread/write
  LV Status  available
  # open 2
  LV Size12.69 GiB
  Current LE 3249
  Segments   3
  Allocation inherit
  Read ahead sectors auto
  - currently set to 256
  Block device   253:18

  --- Logical volume ---
  LV Name/dev/VolGrpSys0/root_usr_src
  VG NameVolGrpSys0
  LV UUIDZcDrCr-MHlb-JN1b-12B1-FTu3-qzri-Z6dqd0
  LV Write Accessread/write
  LV Status  available
  # open 2
  LV Size5.86 GiB
  Current LE 1500
  Segments   1
  Allocation inherit
  Read ahead sectors auto
  - currently set to 256
  Block device   253:19





No such thing as lvm partition unless you're talking the pv. Fdisk shows your 
where it is, and pvdisplay gives you the details of the pv.  Similar vgdisplay 
and lvdisplay gives you details of the logical volumes.


Patrick Dupre  wrote:


Hello,

How can I display the partition table with lvm partitions.
fdisk only give the lvm partition, not the details.

Thank.

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Re: Damn these Windows Virus Testers - Online

2010-12-18 Thread Lamar Owen
On Saturday, December 18, 2010 02:21:37 pm Jim wrote:
> It does not make any difference what Website your on it's just pops up 
> and starts

More information about these 'surf-by' infection agents:
http://blog.webroot.com/2009/11/25/fakealerts-building-a-better-mousetrap/
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Re: partition table

2010-12-18 Thread Peter Larsen
No such thing as lvm partition unless you're talking the pv. Fdisk shows your 
where it is, and pvdisplay gives you the details of the pv.  Similar vgdisplay 
and lvdisplay gives you details of the logical volumes.

Patrick Dupre  wrote:

>Hello,
>
>How can I display the partition table with lvm partitions.
>fdisk only give the lvm partition, not the details.
>
>Thank.
>
>-- 
>---
>==
>  Patrick DUPRÉ  |   |
>  Department of Chemistry|   |  Phone: (44)-(0)-1904-434384
>  The University of York |   |  Fax:   (44)-(0)-1904-432516
>  Heslington |   |
>  York YO10 5DD  United Kingdom  |   |  email: patrick.du...@york.ac.uk
>==
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Re: Messages disappeared from Thunderbird

2010-12-18 Thread Jerry Feldman
On 12/18/2010 03:04 PM, Konstantin Svist wrote:
> On 12/18/2010 11:16 AM, Jerry Feldman wrote:
>> On 12/17/2010 02:40 PM, Konstantin Svist wrote:
>>> ..right in front of my eyes, as my fingers were resting on the keyboard!
>>>
>>> I selected several messages in my Inbox, planning to move them to
>>> another folder... my fingers were resting on ctrl/alt/shift area (left)
>>> and arrow keys (right). Suddenly the selected messages disappeared as if
>>> I pressed Shift+Delete
>>>
>>> I've already checked Archives and searched entire Local Folders -- those
>>> messages are gone
>>>
>>>
>>> What the hell could've happened?
>>>
>> A couple of things. First, is your inbox IMAP or POP3, or do you have a
>> SPAM filter set, or other automatic filters, or possibly your index is
>> corrupt. Your inbox is composed of two file, Inbox and Inbox.msf. The
>> Inbox is the place where the email is stored. When you receive an email,
>> that email is added to the end of Inbox. When you delete an email, the
>> email is just marked as delete, it is not physically removed until you
>> compact the file. The Inbox.msf is an index, and this is where you see
>> the files in Thunderbird. You can physically delete the msf file, but I
>> would do this when thunderbird is not running. The restart Thunderbird.
>> If you have not compacted in a while it might be useful to do this. WRT:
>> IMAP/POP3. With POP3, when you retrieve your email from the server it is
>> physically downloaded to your system and deleted from the server, but
>> with IMAP, your email will remain on the server until you either delete
>> it or move it to another folder.
>>
> Thanks Jerry
> I've already recovered the mails using Thunderbird-Reset-Status [1] and 
> installed ConfirmBeforeDelete addon [2] to lessen the chances of it 
> happening again.. although I still have a suspicion that it might, since 
> I know I didn't press Shift+Del
>
>
> [1] http://nic-nac-project.de/~kaosmos/misc/index.html
> [2] https://nic-nac-project.org/~kaosmos/index-en.html
Good.

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Re: various errors related to configuration

2010-12-18 Thread les
On Fri, 2010-12-17 at 09:39 -0800, les wrote:
> On Fri, 2010-12-17 at 10:17 -0600, Hugh Brown wrote:
> > Les wrote:
> > > I started with an evolution configuration error, and now a
> > > Firefox/Mozilla configuration error, so it appears to me that this might
> > > be a system level error.  Maybe some file or directory permissions
> > > issue, or perhaps a generic configuration error.
> > > 
> > > I tried using the Firefox ProfileManager to create a new profile, but
> > > that lost me all my bookmarks, as well as not changing a problem getting
> > > my home page to load at startup, in spite of that being the selection on
> > > the preferences page, even after creating a new user profile with the
> > > profile manager.  Java won't run, even after reloading from the software
> > > add/remove manager.
> > 
> > Creating a new profile in Firefox does exactly that.  The old bookmarks 
> > are in your old profile.  You can restore them from the old profiles 
> > bookmark directory. From within the bookmark manager, choose to Import 
> > and Backup->Restore->Choose file and then browse to 
> > ~/.mozilla/firefox/.default/ and then pick the most 
> > recent file.
> > 
> > When you say Java won't run, do you mean the java plugin won't load in 
> > your browser or that you can't get the command line tools to work?
> > 
> > If it's the plugin that won't run, you'll need to add a link for the 
> > plugin into either your user plugin directory 
> > (~/.mozilla/firefox/plugins) or a system plugin directory 
> > (/usr/lib64/mozilla/plugins).
> > 
> > e.g. ln -s /usr/java/default/jre/lib/amd64/libnpjp2.so 
> > /usr/lib64/mozilla/plugins   to do it system wide
> > 
> > 
> > > 
> > >  Next I went to the Java website to get the new package, and retrieved
> > > the jre-6u23-linux-x64-rpm.bin file.  when I attempted to source that
> > > file I get:
> > > 
> > > $ ./j*bin
> > > Unpacking...
> > > Checksumming...
> > > Extracting...
> > > UnZipSFX 5.50 of 17 February 2002, by Info-ZIP (zip-b...@lists.wku.edu).
> > > replace jre-6u23-linux-amd64.rpm? [y]es, [n]o, [A]ll, [N]one, [r]ename:
> > > y
> > >   inflating: jre-6u23-linux-amd64.rpm  
> > > error: can't create transaction lock on /var/lib/rpm/.rpm.lock
> > > (Permission denied)
> > > 
> > > but the file appears to uncompress and be present as:
> > > 
> > > jre-6u23-linux-x64-rpm
> > > 
> > > but I am unsure of loading it with the prior error in existence.
> > 
> > By default the script from sun/oracle tries to unpack the rpm and then 
> > install it.  You ran this as a non-root user (which is fine), it tried 
> > to install the rpm and failed.  You can safely install the rpm.
> > 
> > Hugh
> Thanks, Hugh, I had already discovered my error of not using su. DUMB,
> but I have been hitting every configuration error possible, so I guess
> it was absolutely required that I did this wrong as well.
> 
> I did put the link in the wrong place... DUHH!!!  I am batting 1000 on
> this load of Fedora.  I have not gotten a single step right.  I guess
> that cold put me farther off my game than I thought.
> 
> I appreciate the help, patience and aid from all of you.
> 
> Regards,
> Les H
> 
Sorry about this folks, but I am still having issues with this and other
configuration stuff.  

I am beginning to feel really frustrated.  Simple things are not
working, things I know how to do I am not doing correctly, and even when
I fix that I don't seem to get any response, up until now.

I have put a pointer to the file in the correct location now, but it
still doesn't load.  Someone on another thread suggested the followign
to enable flash:
# mozilla-plugin-config -i
But when I ran it I received:
*** NSPlugin Viewer  *** ERROR: /usr/lib64/mozilla/plugins/libnpjp2.so:
undefined symbol: __gxx_personality_v0

Googling: mozilla __gxx_personality_v0
No help that I could see.  Most references were to compiling with gcc vs
gpp or g++.  One was addressing an issue with pulse from 2005.  Nothing
current except one ubuntu entry which had insufficient debugging
information.

However the links to gcc and gpp and g++ issues leads me to believe this
is due to lacking a library of some kind.  Reading the entries the
assistance provided was to null define __gxx_personality_v0, which
doesn't seem like a good solution, and wouldn't apply in my case anyway
as I am not compiling the code.

I did not find any library defining gxx_personality_v0 in links.  Any
help anyone?

Regards,
Les H




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Re: partition table

2010-12-18 Thread Jerry Feldman
On 12/18/2010 02:44 PM, Patrick Dupre wrote:
> Hello,
>
> How can I display the partition table with lvm partitions.
> fdisk only give the lvm partition, not the details.
>
> Thank.
>
System/Administration/Logical Volume Management or system-config-lvm.

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Re: Messages disappeared from Thunderbird

2010-12-18 Thread Konstantin Svist
On 12/18/2010 11:16 AM, Jerry Feldman wrote:
> On 12/17/2010 02:40 PM, Konstantin Svist wrote:
>> ..right in front of my eyes, as my fingers were resting on the keyboard!
>>
>> I selected several messages in my Inbox, planning to move them to
>> another folder... my fingers were resting on ctrl/alt/shift area (left)
>> and arrow keys (right). Suddenly the selected messages disappeared as if
>> I pressed Shift+Delete
>>
>> I've already checked Archives and searched entire Local Folders -- those
>> messages are gone
>>
>>
>> What the hell could've happened?
>>
> A couple of things. First, is your inbox IMAP or POP3, or do you have a
> SPAM filter set, or other automatic filters, or possibly your index is
> corrupt. Your inbox is composed of two file, Inbox and Inbox.msf. The
> Inbox is the place where the email is stored. When you receive an email,
> that email is added to the end of Inbox. When you delete an email, the
> email is just marked as delete, it is not physically removed until you
> compact the file. The Inbox.msf is an index, and this is where you see
> the files in Thunderbird. You can physically delete the msf file, but I
> would do this when thunderbird is not running. The restart Thunderbird.
> If you have not compacted in a while it might be useful to do this. WRT:
> IMAP/POP3. With POP3, when you retrieve your email from the server it is
> physically downloaded to your system and deleted from the server, but
> with IMAP, your email will remain on the server until you either delete
> it or move it to another folder.
>

Thanks Jerry
I've already recovered the mails using Thunderbird-Reset-Status [1] and 
installed ConfirmBeforeDelete addon [2] to lessen the chances of it 
happening again.. although I still have a suspicion that it might, since 
I know I didn't press Shift+Del


[1] http://nic-nac-project.de/~kaosmos/misc/index.html
[2] https://nic-nac-project.org/~kaosmos/index-en.html
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Re: Damn these Windows Virus Testers - Online

2010-12-18 Thread Lamar Owen
On Saturday, December 18, 2010 02:21:37 pm Jim wrote:
> It does not make any difference what Website your on it's just pops up 
> and starts

At least it doesn't infect your PC with the 'fake Windows AntiVirus' virus.  
I've seen these a time or two, from seemingly random websites; one of them was 
a technical blog about the merits of JFS versus XFS.  I have a screenshot of 
that one.

Yesterday I found another.  In my case, I hit the X for that tab, and then hit 
ok (since the systempack107_2089.exe that that downloaded won't autorun on 
Linux; and you really don't want to set up autorun through wine...:-)).  And it 
went away.

Got the .exe though for future analysis.

That same advice on Windows produces a tenacious infection of a rogue antivirus 
program that is in reality a virus itself that tries to scam you out of money 
for buying a subscription.

It's just a matter of time before the rogue antivirus writers figure out how to 
make this work with Linux.unfortunately.  Time for sandboxing of Firefox 
and other apps that can run that mess.  And while such a virus can't overwrite 
system files if you're browsing as a normal user, it certainly *can* infect 
your own files, such as .bashrc for one, which would produce essentially the 
same effect as on Windows (and with the default F14 setup disallowing root 
logins, you need to make a second 'rescue' user to remove such nasties without 
reverting to a text console and root).
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Re: About programing, a general question

2010-12-18 Thread les
On Fri, 2010-12-17 at 09:50 -0700, Patrick Kobly wrote:
> On 12/17/2010 5:10 AM, Parshwa Murdia wrote: 
> > You say correctly, 'The "best" programming language, is the one you
> > feel most comfortable with, obviously.' As I am new and starting
> > just, so I guess (with all the suggestions I get and from searching
> > too) that either Python or C language would be a good start. Pascal
> > is now less used. 
> 
> The thing to keep in mind here is what is the purpose of the language
> you're choosing for this step in your journey.  You are clearly not
> going to be writing production software for some time.  You are
> choosing a language that will serve as a canvas for early-stages
> learning.  At this point, you probably want to evaluate your tools in
> terms of their pedagogic advantages, rather than practical advantages
> for implementing working production software.
> 
> Keep in mind that many first year programming / computing science
> classes use toy languages - purposely kept small to illustrate a few
> programming concepts without distracting you with other concepts.
> 
> IMHO, a first learning language should introduce concepts including:
>   * Variables
>   * Typing of variables (strong typing)
>   * Arrays
>   * Data structures
>   * Boolean logic expressions
>   * Flow control and looping (if, then, else ; while ; for,to)
>   * Procedure and / or function calls
>   * Formal parameters vs. actual parameters
>   * Recursion
>   * Equivalence of recursion and iteration
>   * Compilation
>   * Compile-time vs. Run-time errors
> A first programming language should avoid concepts like:
>   * Pointers (at least in the C conception of them, breaking the
> typing system)
>   * Dynamic typing
>   * Polymorphism
>   * Inheritance
> That in mind, my suggestion for a first language would generally be
> more similar to Pascal or Modula-2 than C, Python, C++, Java,...
> 
> > However, I agree with you that programing principles remain the same
> > for any language, indeed.
> 
> Principles remain the same for particular collections of languages.
> The principles at play in functional languages (LISP, Prolog,...) are
> different than those of procedural languages (Pascal, Modula-2, C)
> which are different still from OO languages (C++, Java, SmallTalk,
> Python) - though OO shares more with procedural than functional
> languages.
> 
I see a lot of complaints about pointers in all these messages, telling
this novice to avoid them.  But the fact is that all languages rely on
pointers.  Even the beloved scripting languages so many tout, cannot
exist without pointers.

The fact is that all data in the computer resides in memory or on disk
or some other file system.  Every file system depends on pointers.  If
you look for example (using one of the oldest and free forms that is
easily accessible) FAT 16, The base structure starts with the location
0, which is a pointer to a data store describing the disk.  In turn,
from that you find pointers to the partition table.  From that you find
pointers to the FAT table itself, and to the data.  From the fat table
you get an array of indexed pointers to data segments which are pointers
to boundaries of data blocks, and from the partition table you get a
description of the sector layout, the retrieval blocking and other
information about the structure, which allow you to decode the FAT table
and extract the data.

The beloved object oriented folks have pointers built in, that are used
to access the procedures that affect the objects.  The objects are in
fact structures, which are created in blocks and again pointers are used
to reference that information.  When you use an array, that is an
indexed offset from a pointer.

Someone said pointers break the typing.  That is not true, if you do not
break pointer typing to begin with.  That is a pointer can be typed, and
moreover someone who uses an integer for a pointer is voiding type
control in his program.  

No knowing pointers means not having any clue to how the underlying
structure works and leads to weak programming. 

I strongly encourage every beginning programmer to learn pointers,
pointer usage and pointer math to understand some of the mechanisms that
make programs break.  A programmer who doesn't understand the strengths
and weaknesses of pointers is like a plumber who doesn't know how pipes
work and what makes a manifold.  He can hack around, but he cannot
diagnose when plumbing makes noises, doesn't flow correctly or even
backflows.

That is my opinion.  Maybe I am out to lunch, but has anyone seen any
language that didn't access memory?

Regards,
Les H

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partition table

2010-12-18 Thread Patrick Dupre

Hello,

How can I display the partition table with lvm partitions.
fdisk only give the lvm partition, not the details.

Thank.

--
---
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 Patrick DUPRÉ  |   |
 Department of Chemistry|   |  Phone: (44)-(0)-1904-434384
 The University of York |   |  Fax:   (44)-(0)-1904-432516
 Heslington |   |
 York YO10 5DD  United Kingdom  |   |  email: patrick.du...@york.ac.uk
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Re: Damn these Windows Virus Testers - Online

2010-12-18 Thread Frank Cox
On Sat, 18 Dec 2010 14:21:37 -0500
Jim wrote:

> How can I prevent Firefox from Starting these tests ? 

I have no idea what a Windows Virus Test is or how it's relevant to Linux, but
if it's some kind of a automated advertisement or something similar to that you
should look into noscript (firefox plugin) and privoxy (ad filtering proxy).

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Damn these Windows Virus Testers - Online

2010-12-18 Thread Jim
F14

Every so often I get one of these DAMN Windows Virus testers while 
Online with Firefox and I can't stop it , I have to do a 
ctrl-alt-backspace to get out of it. and even tho I long back in Firefox 
wants to automatically restart the test , without asking me if I want to 
Restore or Start New Session.

How can I prevent Firefox from Starting these tests ?  I don't want to 
change any settings that Will affect any other web site

It does not make any difference what Website your on it's just pops up 
and starts
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Re: Messages disappeared from Thunderbird

2010-12-18 Thread Jerry Feldman
On 12/17/2010 02:40 PM, Konstantin Svist wrote:
> ..right in front of my eyes, as my fingers were resting on the keyboard!
>
> I selected several messages in my Inbox, planning to move them to 
> another folder... my fingers were resting on ctrl/alt/shift area (left) 
> and arrow keys (right). Suddenly the selected messages disappeared as if 
> I pressed Shift+Delete
>
> I've already checked Archives and searched entire Local Folders -- those 
> messages are gone
>
>
> What the hell could've happened?
>
A couple of things. First, is your inbox IMAP or POP3, or do you have a
SPAM filter set, or other automatic filters, or possibly your index is
corrupt. Your inbox is composed of two file, Inbox and Inbox.msf. The
Inbox is the place where the email is stored. When you receive an email,
that email is added to the end of Inbox. When you delete an email, the
email is just marked as delete, it is not physically removed until you
compact the file. The Inbox.msf is an index, and this is where you see
the files in Thunderbird. You can physically delete the msf file, but I
would do this when thunderbird is not running. The restart Thunderbird.
If you have not compacted in a while it might be useful to do this. WRT:
IMAP/POP3. With POP3, when you retrieve your email from the server it is
physically downloaded to your system and deleted from the server, but
with IMAP, your email will remain on the server until you either delete
it or move it to another folder.

-- 
Jerry Feldman 
Boston Linux and Unix
PGP key id: 537C5846
PGP Key fingerprint: 3D1B 8377 A3C0 A5F2 ECBB  CA3B 4607 4319 537C 5846




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Re: Nvidia display problems as normal user

2010-12-18 Thread john wendel
On 12/18/2010 06:57 AM, Alex wrote:
> Hi,
>
>>> I have a working FC14 x86_64 install with the rpmfusion nvidia drivers
>>> and successfully have it working as root at 1920x1080 using just
>>> startx. However, when I run startx as a normal user, the display is
>>> only 1280x1024. What could be the reason for this?
>>
>> Some .nvidia-rc (whatever the name..) in the normal user home directory?
>
> I renamed that file and restarted, and it is still in 1280.
>
> Very frustrating.
> Thanks for any ideas.
> Best,
> Alex

No solution, but I have the same problem with ATI graphics. KDE monitor 
control fixes it, but it doesn't stick.

Regards,

John

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samba shares visibility in vista and windows 7

2010-12-18 Thread dave perry
Hi,

I have an f14 samba file server with several f14 work stations and a 
vista notebook and a win7 desktop.

On my f14 systems, if I go to Places > Network, It displays all the 
shares on all the systems except for homes for the f14 server and other 
f14 systems.  If I go to Places > Connect to Server ... and select 
Service type Windows Share, type my server name, Share: homes, User 
Name:  and click on Connect, after authentication I see my 
home directory on the server.

On either vista or win7, Network does not display any smb shares.  But 
again, I can manually mount any smb shares as network drives using
C:\> net use m: \\servername\share_name.

Here is a copy of output from testparm smb.conf for the server:

$ testparm /etc/samba/smb.conf
Load smb config files from /etc/samba/smb.conf
rlimit_max: rlimit_max (1024) below minimum Windows limit (16384)
Processing section "[homes]"
Processing section "[printers]"
Processing section "[smbshare]"
Processing section "[public]"
Loaded services file OK.
Server role: ROLE_STANDALONE
Press enter to see a dump of your service definitions

[global]
 workgroup = MYGROUP
 server string = Numenor Samba Server Version %v
 obey pam restrictions = Yes
 pam password change = Yes
 passwd program = /usr/bin/passwd %u
 passwd chat = *New*UNIX*password* %n\n *ReType*new*UNIX*password* 
%n\n *passwd:*all*authentication*tokens*updated*successfully*
 unix password sync = Yes
 log file = /var/log/samba/%m.log
 max log size = 0
 socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192
 printcap name = cups
 dns proxy = No
 remote announce = 192.168.1.255
 hosts allow = 127., 192.168.1.

[homes]
 comment = Home Directories
 valid users = %S
 read only = No
 create mask = 0664
 directory mask = 0775
 browseable = No

[printers]
 comment = All Printers
 path = /var/spool/samba
 printable = Yes
 browseable = No

[smbshare]
 comment = Shared Files
 path = /home/smbshare
 valid users = dad, perryd, mom, Dave, Dianne
 read only = No
 create mask = 0664
 directory mask = 0775

[public]
 comment = Public Stuff
 path = /home/test
 valid users = mom, dad, perryd, Dave, Dianne
 read only = No
 create mask = 0664
 directory mask = 0775
 guest ok = Yes

Any suggestions?

Thanks in advance,
Dave

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Arado Websearch and RSS Reader 0.1.5 released for Fedora Linux

2010-12-18 Thread thomasasta
ARADO WEBSEARCH is an open source Bookmark- & RSS-Feed-Database for Websearch. 
You easily can save and organize your favourite URLs (Bookmarks) and RSS-Feeds. 
The database can be networked with your further devices like laptop, mobile 
phone, home or work PC, so that all added URLs are synchronized with your 
connected devices. The Arado websearch experience provides to search the web 
within all your networked devices. 


ADDED FEATURES:
- Added RSS Reader: Add your favourite RSS-Feeds to read all the News in Arado.
- Convert and Download Youtube URLS to MP3: Klick on the Arado Logo, enter 
Youtube Url, Klick on the Recent Button, Double Click on your added URL in the 
Table and just load the Youtube-Video converted/recorded to MP3.
- Proxy Support added (use ideally a reverse proxy).


Website: 
http://arado.sf.net

Download Linux (RPM,PISI, etc )/Mac: 
https://sourceforge.net/projects/arado/files/

Known Bug: Search Button does not work, when a cell is marked and highlighted, 
will be fixed soon. So unmark a tablecell with STRG before.



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gratis Notebook-Flat! http://portal.gmx.net/de/go/dsl
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Re: OfflineIMAP not working

2010-12-18 Thread Christoph Höger
Am 18.12.2010 02:00, schrieb suvayu ali:
> Hi,
>
> On Fri, Dec 17, 2010 at 3:39 PM, suvayu ali  
> wrote:
>> Well I tried with my university imap server, I don't quite know what
>> they use but as our web interface we have zimbra.
>>
>> Thanks for you response. I'll post back if I find any problems with my setup.
>
> I tried on my F13 desktop, still the same issue. So I tried it with my
> gmail accout, still no success but with a different error.
>
> $ offlineimap  -u 'Noninteractive.Basic'
> OfflineIMAP 6.2.0
> Copyright (C) 2002 - 2009 John Goerzen
> This software comes with ABSOLUTELY NO WARRANTY; see the file
> COPYING for details.  This is free software, and you are welcome
> to distribute it under the conditions laid out in COPYING.
> * Processing account Test
> Copying folder structure from IMAP to Maildir
> Establishing connection to imap.googlemail.com:143.
> WARNING: Error occured attempting to sync account Test: 110
> * Finished processing account Test
>
> Thanks for any thoughts on this.

This _might_ be a connection timeout - did you check your adress and 
port? Can you telnet them?


-- 
Christoph Höger

Technische Universität Berlin
Fakultät IV - Elektrotechnik und Informatik
Übersetzerbau und Programmiersprachen

Sekr. TEL12-2, Ernst-Reuter-Platz 7, 10587 Berlin

Tel.: +49 (30) 314-24890
E-Mail: christoph.hoe...@tu-berlin.de
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Re: Fedora14: Strange and intermittent very slow disks on server

2010-12-18 Thread Lamar Owen
On Saturday, December 18, 2010 03:08:45 am Terry Barnaby wrote:
> It is strange, however, how the system can run perfectly fine with good
> fast disk IO for a while and then go into this slow mode. In the slow
> mode a command can take 30seconds or more to run on an unloaded system.
> It smacks of some Linux kernel SATA driver/RAID1 versus WD EARS drive
> interaction to me.

It's definitely something; the TLER discussions I've seen are just partial 
explanations at best.

> However, I think I will change the drives. I was hoping to try some WD10EADS
> ones I have, but after your issues I will look at the RE series or
> another make ...

The RE series is WD's 'RAID Enterprise' or 'RAID Enabled' (depending on how you 
look at it) drives, and cost more.  They should work fine in RAID.  The lower 
cost WD drives have been giving problems in RAID, and not just on Linux.  WD 
even says they are not designed for RAID.

Please see the responses at:
http://community.wdc.com/t5/Other-Internal-Drives/1-TB-WD10EARS-desynch-issues-in-RAID/m-p/11559
Also see:
http://wdc.custhelp.com/cgi-bin/wdc.cfg/php/enduser/std_adp.php?p_faqid=1397

That last link is to WD's FAQ; it explains the root cause of the issue, that of 
deep cycle recovery (saying point blank that the drive could take *2* *minutes* 
to recover *one* *sector* in error).  So basically any time the drive hits an 
error, things slow to a crawl as the iowaits pile up.  This is the info iostat 
-x 1 will give you; watch the await time (given in milliseconds); I saw awaits 
of up to 20,000 ms while trying to use my WD15EADS drive in RAID1.
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recover lvm partition

2010-12-18 Thread Patrick Dupre

Hello,

I made a big mistake, think that lvm partitionning was working has
gparted !

In a couple of words
I made a lvreduce -l+250 /dev/Vol0/part1
then
lvextend -l+250 /dev/Vol0/part2

part1 had more than 250 extends free but fsck abort on /dev/Vol0/part1
(but is OK on part2).
Can I go back, ie. move back the 250 extends ?

Thank.

--
---
==
 Patrick DUPRÉ  |   |
 Department of Chemistry|   |  Phone: (44)-(0)-1904-434384
 The University of York |   |  Fax:   (44)-(0)-1904-432516
 Heslington |   |
 York YO10 5DD  United Kingdom  |   |  email: patrick.du...@york.ac.uk
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Re: Nvidia display problems as normal user

2010-12-18 Thread Alex
Hi,

>> I have a working FC14 x86_64 install with the rpmfusion nvidia drivers
>> and successfully have it working as root at 1920x1080 using just
>> startx. However, when I run startx as a normal user, the display is
>> only 1280x1024. What could be the reason for this?
>
> Some .nvidia-rc (whatever the name..) in the normal user home directory?

I renamed that file and restarted, and it is still in 1280.

Very frustrating.
Thanks for any ideas.
Best,
Alex
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Change m...@every boot

2010-12-18 Thread S Mathias
lsb_release -a
LSB Version::core-4.0-ia32:core-4.0-noarch
Distributor ID: Fedora
Description:Fedora release 14 (Laughlin)
Release:14
Codename:   Laughlin

# uname -a
Linux a 2.6.35.9-64.fc14.i686.PAE #1 SMP Fri Dec 3 12:28:00 UTC 2010 i686 i686 
i386 GNU/Linux


I'm trying to do what was mentioned in the $subject:

echo -e '#!/bin/bash\n\nmacchanger -r eth0\nmacchanger -r wlan0' > 
/etc/rc.d/init.d/macchanger
ln -s /etc/rc.d/init.d/macchanger /etc/rc.d/rc5.d/S22macchanger
chmod +x /etc/rc.d/init.d/macchanger


S23 is the network manager, and i'm sure i'm in runlevel 5.

but the mac doesn't change at boot, and i can't see any log messages regarding 
it :(

Where should i put my script? or it doesn't have enough permission to change 
the MAC's?

Thank you for any help (or pointing to a howto)


  
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Re: Linux Format mag. article F14 vs ubuntu

2010-12-18 Thread J S
On Fri, Dec 10, 2010 at 1:54 PM, William Henry  wrote:
>
> I had bought the (expensive) Linux Format mag. while on a trip recently for 
> an article comparing Fedora and ubuntu. I managed to track > down a version 
> of a Linux Format mag article (ubuntu vs fedora) that doesn't require a 
> subscription with Linux Format.

friends: although the discourse is intriguing, i must remark-- before
putting much concern into the topic-- i'm having difficulty,
presently, getting beyond what's inferred here from the introduction.
I apologise: is [whenry] indicating an option exists for a free
/print/ magazine subscription, "Linux Format"?

i suspect i misunderstand, however, i'm interested in print-media
periodicals RE Linux; any no-cost subscription to Linux print
magazines.

thanks.
 - js
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Re: Fedora14: Strange and intermittent very slow disks on server

2010-12-18 Thread Ian Chapman
Hi,


> However, I think I will change the drives. I was hoping to try some WD10EADS
> ones I have, but after your issues I will look at the RE series or
> another make ...

Further to what Lamar has already said. I have a pair of these drives 
running under F14 (originally F13) and I would never buy them again. I 
originally suffered from the 4k partition boundary issue which once 
rectified made an enormous difference. I was running several virtual 
machines and once I started up more than one VM, it took a life time for 
the VM to boot. I was also seeing the same issue with yum, updates 
taking a ridiculous amount of time.

You might also when to check the head load cycle count with smartctl

smartctl -a /dev/sdX | grep Load_Cycle_Count

They have stupidly aggressive power saving which as I understand it 
cause many unnecessary head parks, depending on the workload of your 
system. For example one of my drives hit over 240,000 cycles in 6 months 
before I became aware of it. By comparison another 4 year old drive is 
currently only showing 70,000 cycles. There's a tool from WD which lets 
you alter how aggressively it parks the heads. Unfortunately it's a 
vendor specific setting the firmware so you can't use a standard linux 
util to change it.



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Re: About programing, a general question

2010-12-18 Thread Parshwa Murdia
On Sat, Dec 18, 2010 at 1:17 PM, Ralf Corsepius  wrote:

Depends on how you mean this.
>
> "C" is not the "best programming language", but it's a good choice as means
> to learn.
>
> Ralf
>


Yeah, that's what i meant a good choice!


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Parshwa Murdia
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Re: Fedora14: Strange and intermittent very slow disks on server

2010-12-18 Thread Terry Barnaby
On 12/18/2010 12:00 AM, Lamar Owen wrote:
> On Friday, December 17, 2010 06:14:31 pm Terry Barnaby wrote:
>> The two main RAID1 disks are WD10EARS (Green). I have seen reported some
>> issues with the performance of these but in my case they appear to work
>> fine when the system is running ok.
> [snip]
>> Anyone seen this sort of behaviour before ?
>> Any ideas one where to look ?
>
> Yes, I have.
>
> Use a different drive.  Use iostat -x 1 to trace which disk in the RAID1 is 
> causing problems; you'll likely find that the WD10EARS are throwing long 
> awaits.  Rumor is that this is by design; WD has enterprise 'RAID ready' 
> drives and don't rate the lower priced drives for RAID.  I have a WD15EADS 
> that does this.  At least the EARS version can possibly be put in a 'TLER' 
> mode that allows RAID use.
>
> In my case, I had the WD15EADS drive as one half of a RAID1, with the other 
> half being a Seagate 1.5TB drive of the same LBA.  Every once in a while, 
> performance would absolutely go to pot, and stay that way for minutes at a 
> time (load averages>10 on a single core system).  Using iostat -x 1 I was 
> able to isolate the issue to that particular drive (I swapped controller 
> channels, swapped cables, swapped out the power supply, swapped to a 
> different controller chip on the motherboard, swapped motherboards, and the 
> issue was always on this drive).
>
> When I replaced the WD15EADS with another Seagate 1.5TB, performance came 
> back to normal.  I'm using the WD15EADS in a single mode, now, with much 
> lighter usage, and realizing that performance is not its strong suite.
>
> Also, the EARS version might use 4K sectors, exposing 512 byte sectors in an 
> 'emulation' mode; properly aligning partitions to 4K boundaries solves that.
>
> Google 'WD EARS TLER' and get the whole story.  You'll also want to disable 
> the 'green' mode, as that will also negatively impact performance.  There are 
> tools out there to do that.

Thanks for the info.

I did play with setting a partition on a 4096 byte (8 x 512Byte sector) 
boundary, but saw no change in random 512Byte block write speed with
a simple test program. These are recent drives so I wondered if things
had changed in this regard.

It is strange, however, how the system can run perfectly fine with good
fast disk IO for a while and then go into this slow mode. In the slow
mode a command can take 30seconds or more to run on an unloaded system.
It smacks of some Linux kernel SATA driver/RAID1 versus WD EARS drive
interaction to me.

However, I think I will change the drives. I was hoping to try some WD10EADS
ones I have, but after your issues I will look at the RE series or
another make ...

Cheers


Terry
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