Re: [CentOS] CentOS 4.5: Automounted USB disks eventually stop appearing on desktop

[John Newbigin]

I too have had this problem.  I didn't find a real solution but I did 
find a number of bugs in hald. Restarting that and/or running it in 
verbose mode might help narrow down your problem.


John.

Bart Schaefer wrote:


This is just a minor annoyance, but I wondered if anyone has any insights.

When I first boot the system and log in to Gnome, and then plug in
e.g. a USB stick or compact flash card, I get an icon for it on the
desktop.  I can right-click on this icon to "eject" the filesystem,
etc.

Eventually, though, for no obvious reason, this stops working and I no
longer get an icon when I insert a USB device.  The automount is still
happening; I can still navigate to the device under /media with
Nautilus, and I can still umount it from a shell as a nonprivileged
user.

What process is supposed to be noticing the new mount and adding the
icon?  Any clues as to why it would stop doing so?
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Re: [CentOS] rpmforge checksum errors

[Kai Schaetzl]

Dag Wieers wrote on Tue, 28 Aug 2007 02:21:49 +0200 (CEST):

> You could start off with specifying what server you are using and whether
> you have the same problem with other mirrors.

As already said the problem exists with an unspecified number of mirrors. I 
don't use "a" mirror. I installed your rpmforge repo rpm package. That 
retrieves the list of mirrors and tries one (at random it seems). The 
checksum fails, it goes off to the next and so on. It seems to do this 
about ten times and then stops. Or maybe it was out of mirrors. One time 
none of them succeeded the checksum check, usually it takes 4, 5 or 6 tries 
before I get a valid checksum. I didn't write them down as it always seemed 
to be different ones (but I may be wrong on that) and there's apparently no 
log which lists the failures. I can either follow-up here or in pm if it 
happens again. So, is there something I can do when it fails again? For 
instance, could I do a manual checksum check? If so, how? Is this an md5 
check of the primary.xml.gz?

Kai

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[CentOS] Conga / luci question

[Joachim Backes]

After playing with conga/luci i'm wondering that it's not possible to reset and/or remove the 
generated cluster configuration. Somebody knows how to achieve this? I did not find any hint in the 
RH manuals.


Regards

Joachim Backes <[EMAIL PROTECTED]>
University of Kaiserslautern,Computer Center [RHRK],
Systems and Operations, High Performance Computing,
D-67653 Kaiserslautern, PO Box 3049, Germany
--
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Re: [CentOS] CentOS/RH 5 Samba as PDC+NIS w/o LDAP?

[Thom Paine]

Check out Samba by Example on the samba site.

Lots of examples there and I pulled one of my configs from there.

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Re: [CentOS] Strange behavior from OO Writer

[Mark Hull-Richter]

On 8/27/07, Jim Perrin <[EMAIL PROTECTED]> wrote:
>
> Having watched (and occasionally delivered) some heavy-handed
> clue-by-four training to Mark, perhaps he simply wants to keep some
> dignity here by not admitting such an error and having half the
> mailing list laugh at him.  I can completely understand the sentiment,
> and I respect his desire to keep his mistake to himself.
>
> Having said that... this is the centos mailing list.
>
> OUT WITH IT MAN! WE WANT TO KNOW!!!11eleventy111!!!
>
> :-P
>
> /God I'm a jerk
>

Oh, fine,, I can't resist this one (LOL!).

I already had the file open, but minimized, where it is invisible
entirely unless you are in the workspace where it is minimized, and
then it is hard to see unless you (okay, me) are looking for it.

I did file a feature request with the OO folks that if a file that is
already open is opened again that there be  SOME response that is more
than just nothing (preferred actionL restore the window in its own (or
the current) workspace, alternatively flash something on the task
bar).

I did say that I would not rule out operator error.

So much for my dignity.  Thanks, Jim and everyone.

:-)
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Re: [CentOS] mdadm --create on Centos5?

[Les Mikesell]

Bill-Schoolcraft wrote:

At Mon, 27 Aug 2007 it looks like Akemi Yagi composed:


On 8/27/07, Les Mikesell <[EMAIL PROTECTED]> wrote:

Is there some new trick to making raid devices on Centos5?

# mdadm --create /dev/md3 --level=1 --raid-devices=2 /dev/sdc1 /dev/sdc1
mdadm: error opening /dev/md3: No such file or directory



Hmm, is that a typo?  You have /dev/sdc1 twice in the above command. 


Yes but the typo happened when I retyped the line the 2nd time.  The 
first time had /dev/sdd1 as the 2nd entry and had the same result.  It 
turns out --auto=yes is the magic option to make it work as Ross Walker 
pointed out in another reply.


--
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   [EMAIL PROTECTED]



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Re: [CentOS] Creating your own CA and SSL certificates

[Patrick]

On Mon, 2007-08-27 at 20:42 -0400, Ignacio Vazquez-Abrams wrote:
> On Tue, 2007-08-28 at 02:34 +0200, Patrick wrote:
> > I spent a couple of hours today trying to figure out how to make self
> > signed certs such that browsing to https://localhost would show the page
> > without complaining about not knowing the CA that issued the site's
> > certificate. If you bump into the solution I would appreciate it if you
> > could reply to this thread.
> 
> You need to import your self-sign CA cert into the browser. Other than
> that (and editing the source, of course) you can't make the browser not
> complain; the whole point of the complaining is that your browser
> doesn't know about the CA and so can't trust them.

Hi Ignacio. Off course you are right. I accidentally mixed up the two
things I was looking at today: svn with https via self signed cert
without complaining (or else websvn fails silently) and accessing a
webpage via https. Sorry for the noise.

Regards,
Patrick

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RE: [CentOS] using centos for linux appliance

[Jason Pyeron]

What we do is a rpm -r /mnt/targetdeviceroot/ 

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privileged, proprietary, or otherwise private information. If you
have received it in error, purge the message from your system and
notify the sender immediately.  Any other use of the email by you
is prohibited. 

 

> -Original Message-
> From: [EMAIL PROTECTED] 
> [mailto:[EMAIL PROTECTED] On Behalf Of Venkat Subbiah
> Sent: Monday, August 27, 2007 20:19
> To: CentOS mailing list
> Subject: [CentOS] using centos for linux appliance
> 
> Thinking of using CentOS as a host for a Linux Appliance.  
> 
> I am used to building Embedded Linux Systems and there the approach is
> to create the a directory on the development machine and "get files
> "that are to be on the target machine into that directory. 
> This usually
> being termed as building the root file system. Also in the embedded
> systems approach we build from source and usually during the configure
> steps of package we can specify where the end 
> binaries/libraries need to
> be copies. 
> 
> So for Cent OS thinking of using a similar approach with the 
> difference
> that I don't want to build all packages from source.
> 
> 1)Use the binrary rpms and install to a directory on a development
> machine  using the rpm --prefix option.   Not sure yet how to 
> specify to
> create and use an rpm database on the development machine as 
> opposed to
> a database on the development machine.
> 
> Is this really a sensible approach or just using something like
> Kickstart?
> 
> 2) There might be some packages that I want to build from 
> source. Then I
> am thinking I would need the exact compiler used to compile the binary
> rpms. How would I obtain the compiler and environment used to 
> build the
> CentOS binary rpms?
> 
> Thx,
> -Venkat
> 
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Re: [CentOS] Creating your own CA and SSL certificates

[Ignacio Vazquez-Abrams]

On Tue, 2007-08-28 at 02:34 +0200, Patrick wrote:
> I spent a couple of hours today trying to figure out how to make self
> signed certs such that browsing to https://localhost would show the page
> without complaining about not knowing the CA that issued the site's
> certificate. If you bump into the solution I would appreciate it if you
> could reply to this thread.

You need to import your self-sign CA cert into the browser. Other than
that (and editing the source, of course) you can't make the browser not
complain; the whole point of the complaining is that your browser
doesn't know about the CA and so can't trust them.

-- 
Ignacio Vazquez-Abrams <[EMAIL PROTECTED]>

PLEASE don't CC me; I'm already subscribed


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Re: [CentOS] Creating your own CA and SSL certificates

[Patrick]

On Mon, 2007-08-27 at 16:48 -0700, Kenneth Porter wrote:
> On Monday, August 27, 2007 5:19 PM -0400 Brian Mathis 
> <[EMAIL PROTECTED]> wrote:
> 
> > I've found the /etc/pki directory, but can't find much information
> > about it.  I reviewed the openssl.cnf file, and it looks like it's not
> > completely set up, as many directories it references do not exist on
> > the system.
> 
> A good place to start is /etc/pki/tls/certs/Makefile.
> 
> I've just started using CentOS5, migrating from Fedora, so I'm not yet up 
> to speed on the relocation of OpenSSL from /usr/share/openssl to 
> /etc/pki/tls, but that Makefile is mostly what I used to create self-signed 
> certs, or I used variations of the commands it suggested.

I spent a couple of hours today trying to figure out how to make self
signed certs such that browsing to https://localhost would show the page
without complaining about not knowing the CA that issued the site's
certificate. If you bump into the solution I would appreciate it if you
could reply to this thread.

Regards,
Patrick

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Re: [CentOS] mdadm --create on Centos5?

[Bill-Schoolcraft]

At Mon, 27 Aug 2007 it looks like Akemi Yagi composed:

> On 8/27/07, Les Mikesell <[EMAIL PROTECTED]> wrote:
> > Is there some new trick to making raid devices on Centos5?
> >
> > # mdadm --create /dev/md3 --level=1 --raid-devices=2 /dev/sdc1 /dev/sdc1
> > mdadm: error opening /dev/md3: No such file or directory
> >

Hmm, is that a typo?  You have /dev/sdc1 twice in the above command. 

-- 
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   <*>
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  you would just be a desert."


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Re: [CentOS] rpmforge checksum errors

[Dag Wieers]

On Tue, 28 Aug 2007, Kai Schaetzl wrote:

> Dag Wieers wrote on Mon, 27 Aug 2007 23:33:21 +0200 (CEST):
>
> > If you do have problems related to network issues, setting up a local
> > mirror is a good way to control the environment _and_ save ond bandwidth.
>
> It's sure not a network issue. Don't experience it at the moment as yum is
> still using the cached files. Mirroring rpmforge locally is really not what
> I want as I don't need 99% of the files and have only a few machines here
> locally.
> What can I do for getting more information when it happens next time?

You could start off with specifying what server you are using and whether
you have the same problem with other mirrors.

-- 
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[Any errors in spelling, tact or fact are transmission errors]
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[CentOS] using centos for linux appliance

[Venkat Subbiah]

Thinking of using CentOS as a host for a Linux Appliance.  

I am used to building Embedded Linux Systems and there the approach is
to create the a directory on the development machine and "get files
"that are to be on the target machine into that directory. This usually
being termed as building the root file system. Also in the embedded
systems approach we build from source and usually during the configure
steps of package we can specify where the end binaries/libraries need to
be copies. 

So for Cent OS thinking of using a similar approach with the difference
that I don't want to build all packages from source.

1)Use the binrary rpms and install to a directory on a development
machine  using the rpm --prefix option.   Not sure yet how to specify to
create and use an rpm database on the development machine as opposed to
a database on the development machine.

Is this really a sensible approach or just using something like
Kickstart?

2) There might be some packages that I want to build from source. Then I
am thinking I would need the exact compiler used to compile the binary
rpms. How would I obtain the compiler and environment used to build the
CentOS binary rpms?

Thx,
-Venkat

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RE: [CentOS] mdadm --create on Centos5?

[Ross S. W. Walker]

> -Original Message-
> From: [EMAIL PROTECTED] 
> [mailto:[EMAIL PROTECTED] On Behalf Of Les Mikesell
> Sent: Monday, August 27, 2007 6:57 PM
> To: centos@centos.org
> Subject: [CentOS] mdadm --create on Centos5?
> 
> Is there some new trick to making raid devices on Centos5?
> 
> # mdadm --create /dev/md3 --level=1 --raid-devices=2 
> /dev/sdc1 /dev/sdc1
> mdadm: error opening /dev/md3: No such file or directory
> 
> I thought that worked on earlier versions.  Do I have to do something 
> udev related first?

Try the --auto=yes, otherwise if the device node doesn't already exist
it will complain and die.

-Ross

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Re: [CentOS] mdadm --create on Centos5?

[Akemi Yagi]

On 8/27/07, Les Mikesell <[EMAIL PROTECTED]> wrote:
> Is there some new trick to making raid devices on Centos5?
>
> # mdadm --create /dev/md3 --level=1 --raid-devices=2 /dev/sdc1 /dev/sdc1
> mdadm: error opening /dev/md3: No such file or directory
>
> I thought that worked on earlier versions.  Do I have to do something
> udev related first?
>
> --
>Les Mikesell
> [EMAIL PROTECTED]

Looks correct to me. How about adding a --verbose to get more info?

Akemi
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Re: [CentOS] Re: XEN - Guest WINXP

[John R Pierce]

Scott Silva wrote:
I don't think WinXp will run on processors without virtualization 
support.



actually, that should read..

I don't think XEN can host WinXP on processors without virtualization 
support.   VMware can, at least for 32bit XP as a guest.



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[CentOS] Re: XEN - Guest WINXP

[Scott Silva]

Adriano Frare spake the following on 8/27/2007 4:07 PM:

Dear Friends,

I installed CENTOS 5.0 with XEN (kernel) on Pentium III Celeron 1.2 Ghz, 
and I would like install WINXP for virtualization.


But I don't work, I configurated virtual machine but don't start, Are 
There how to about it ?


Thanks


Adriano

I don't think WinXp will run on processors without virtualization support.


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Re: [CentOS] Creating your own CA and SSL certificates

[Kenneth Porter]

On Monday, August 27, 2007 5:19 PM -0400 Brian Mathis 
<[EMAIL PROTECTED]> wrote:



I've found the /etc/pki directory, but can't find much information
about it.  I reviewed the openssl.cnf file, and it looks like it's not
completely set up, as many directories it references do not exist on
the system.


A good place to start is /etc/pki/tls/certs/Makefile.

I've just started using CentOS5, migrating from Fedora, so I'm not yet up 
to speed on the relocation of OpenSSL from /usr/share/openssl to 
/etc/pki/tls, but that Makefile is mostly what I used to create self-signed 
certs, or I used variations of the commands it suggested.



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[CentOS] XEN - Guest WINXP

[Adriano Frare]

Dear Friends,

I installed CENTOS 5.0 with XEN (kernel) on Pentium III Celeron 1.2 Ghz, 
and I would like install WINXP for virtualization.


But I don't work, I configurated virtual machine but don't start, Are 
There how to about it ?


Thanks


Adriano
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Re: [CentOS] centos] Xen VM vanishes after creation

[Kai Schaetzl]

[EMAIL PROTECTED]>
X-Rcpt-To: 

Ok, I finally managed to get this going. There was a problem with my 
second test2 domain that prevented reading the filesystem, so it couldn't 
start up. I had done all my later testing with test2. Then I tried with 
test1 again and there the "xm create" works. I find that "create" is 
rather misleading, it doesn't "create" a VM it starts it up. 
Unfortunately, the documentation builds on this misleading information by 
saying it makes or creates a domain. And there's obviously no way to start 
a VM from the Virtual Machine Manager which is quite surprising.
Thanks for bearing with me.

Kai

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[CentOS] mdadm --create on Centos5?

[Les Mikesell]

Is there some new trick to making raid devices on Centos5?

# mdadm --create /dev/md3 --level=1 --raid-devices=2 /dev/sdc1 /dev/sdc1
mdadm: error opening /dev/md3: No such file or directory

I thought that worked on earlier versions.  Do I have to do something 
udev related first?


--
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   [EMAIL PROTECTED]
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Re: [CentOS] centos] Xen VM vanishes after creation

[Timothy Selivanow]

On Tue, 2007-08-28 at 00:15 +0200, Kai Schaetzl wrote:
> Timothy Selivanow wrote on Mon, 27 Aug 2007 14:55:15 -0700:
> 
> > As another poster already said...`man xm`.
> 
> Doesn't help, doesn't tell me how to start a VM that wasn't saved. No, "xm 
> create" does *not* do this.
> 
> Here's a hint: `/usr/sbin/xm
> > create ${config_file}`.  When you shutdown a guest it does leave the
> > list of running domains (i.e. what `xm list` shows you).  The default
> > location for VM configurations is '/etc/xen/'.  If you want them to
> > start at boot, sym-link the conf to '/etc/xen/auto/'.
> 
> And how do I start this VM in a running system? Or is booting it up when 
> xend boots up the only option? If so, then I don't see this mentioned 
> anywhere.
> 
> Kai
> 

I've used `xm create ${config_file}` many, many times.  It'll work :)

$ sudo /usr/sbin/xm list
Name  ID Mem(MiB) VCPUs State
Time(s)
Domain-0   0  485 8 r- 2838940.8
Domain_Services 1  511 1 -b   1962.0
Mail_Services   2  511 1 -b   1989.9
Web_Services3  511 2 -b   4927.6

$ sudo /usr/sbin/xm shutdown Web_Services

$ sudo /usr/sbin/xm list
Name  ID Mem(MiB) VCPUs State
Time(s)
Domain-0   0  485 8 r- 2839060.6
Domain_Services 1  511 1 -b   1962.1
Mail_Services   2  511 1 -b   1989.9

$ sudo /usr/sbin/xm create /etc/xen/Web_Services
Using config file "/etc/xen/Web_Services".
Going to boot CentOS (2.6.18-8.1.8.el5xen)
  kernel: /vmlinuz-2.6.18-8.1.8.el5xen
  initrd: /initrd-2.6.18-8.1.8.el5xen.img
Started domain Web_Services

$ sudo /usr/sbin/xm list
Name  ID Mem(MiB) VCPUs State
Time(s)
Domain-0   0  485 8 r- 2839121.3
Domain_Services 1  511 1 -b   1962.1
Mail_Services   2  511 1 -b   1990.0
Web_Services4  512 2 r-  2.4



-- 
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Linux System Administrator
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[CentOS] CentOS/RH 5 Samba as PDC+NIS w/o LDAP?

[Scott Ehrlich]

For those who are new or forget - I have a RHEL 5 Server and a few 
dualboot XP w/SP2 and CentOS 5 systems.  The Linux machines were installed 
straight of CD/DVD, no patches.


I was initially going to try a single sign-on to the RH 5 box via LDAP, 
but RH says it simply isn't possible and I don't know my way around LDAP 
other than it is a database and exists.


So, option 2 is to simply have the RH 5 Server act as a Windows PDC via 
Samba and use NIS to enable users to log in, all the while, in either 
situation, having the RH 5 box serve out the user's central home directory 
- mounted as a drive letter under Windows, or exported under Linux.


I've spent much of last week and much of today [trying to learn] LDAP, and 
today, finally deciding to dump that, but proceeding with Samba as a PDC.


For Samba as a PDC - what is the best way to have Win XP Pro w/SP2 
successfully authenticate to Samba as a domain controller with encyrpted 
passwords?  And, to have Samba establish the user's home directory as a 
mapped drive?  I've used a barrage of web sites showing various smb.conf 
confing files but can't yet get my test XP machine to authenticate to the 
domain I set in my smb.conf file.


For NIS - what is the best way to permit the user to log into their 
account, created on RH 5 server, and have their home directory exported to 
their workstation?


I presume there will be no problem with users simultaneously logging into 
multiple workstations, be it Linux or Windows?


I only bother the list because I have scoured so many web sites, some with 
a variety of options, I believe I'll get the best answer here.


Thanks.

Scott
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Re: [CentOS] centos] Xen VM vanishes after creation

[Kai Schaetzl]

Timothy Selivanow wrote on Mon, 27 Aug 2007 14:55:15 -0700:

> As another poster already said...`man xm`.

Doesn't help, doesn't tell me how to start a VM that wasn't saved. No, "xm 
create" does *not* do this.

Here's a hint: `/usr/sbin/xm
> create ${config_file}`.  When you shutdown a guest it does leave the
> list of running domains (i.e. what `xm list` shows you).  The default
> location for VM configurations is '/etc/xen/'.  If you want them to
> start at boot, sym-link the conf to '/etc/xen/auto/'.

And how do I start this VM in a running system? Or is booting it up when 
xend boots up the only option? If so, then I don't see this mentioned 
anywhere.

Kai

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Re: [CentOS] rpmforge checksum errors

[Kai Schaetzl]

Dag Wieers wrote on Mon, 27 Aug 2007 23:33:21 +0200 (CEST):

> If you do have problems related to network issues, setting up a local
> mirror is a good way to control the environment _and_ save ond bandwidth.

It's sure not a network issue. Don't experience it at the moment as yum is 
still using the cached files. Mirroring rpmforge locally is really not what 
I want as I don't need 99% of the files and have only a few machines here 
locally.
What can I do for getting more information when it happens next time?

Kai

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Re: [CentOS] centos] Xen VM vanishes after creation

[Timothy Selivanow]

On Mon, 2007-08-27 at 22:18 +0200, Kai Schaetzl wrote:
> R P Herrold wrote on Mon, 27 Aug 2007 15:25:41 -0400 (EDT):
> 
> > holds this answer -- if the path variable is not set, it seems 
> > to look at the CWD, from some of the error cruft I can provoke
> 
> The problem is not the configuration file, the problem is the vm 
> filesystem  file. That is not mentioned anywhere. How do you shutdown or 
> start your VMs?
> I made another test and created a second VM and then *saved* that VM. That 
> saved it in the state it was in and I was able to restore it from that 
> save file. However, when I then shutdown the same VM the save file has 
> completely vanished and only the filesystem file is there as before. 
> There's no way to "revive" it then.
> This can't be it, I must be missing something, although I've read almost 
> all of the Virtualization Guide by now.
> Or is it really intended that the only way to keep a VM is to save it in 
> the middle of operation and restore it?
> 
> Kai
> 

As another poster already said...`man xm`.  Here's a hint: `/usr/sbin/xm
create ${config_file}`.  When you shutdown a guest it does leave the
list of running domains (i.e. what `xm list` shows you).  The default
location for VM configurations is '/etc/xen/'.  If you want them to
start at boot, sym-link the conf to '/etc/xen/auto/'.  

-- 
Timothy Selivanow <[EMAIL PROTECTED]>
Linux System Administrator
EasyStreet Online Services, Inc.  http://www.easystreet.com


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Re: [CentOS] rpmforge checksum errors

[Dag Wieers]

On Mon, 27 Aug 2007, Jordi Espasa Clofent wrote:

> > I've only seen this on networks where I  (or my providers) use
> > proxies, however you may have better luck asking on the rpmforge
> > user's list.
>
> M... I "sufer" this issue frequently. And I establish the connection from
> several sites (home, work). Maybe I'm behind a proxy network in my hme
> connection, but in my job it doesn't.
>
> I will notice Dag about this post.

I have no idea why that is and we'll probably need more information to
make any sense of this report.

I can tell you that it is not widespread as I would have had reports
before.

If you do have problems related to network issues, setting up a local
mirror is a good way to control the environment _and_ save ond bandwidth.

-- 
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[Any errors in spelling, tact or fact are transmission errors]
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[CentOS] Creating your own CA and SSL certificates

[Brian Mathis]

I've been looking all over (google, wiki, manuals) for docs, and I
can't find any mention of how to set up a CA or certificates
*specifically for centos 5 / upstream 5*.  There are plenty of generic
guides on using openssl for this sort of thing, but I'd like to play
nice within the standard structure of this system.

I've found the /etc/pki directory, but can't find much information
about it.  I reviewed the openssl.cnf file, and it looks like it's not
completely set up, as many directories it references do not exist on
the system.

What I'm looking to do is set up my own CA, then make some
certificates for use with SSL, and sign them with the CA.  This will
be used for internal purposes.

Any pointers to guides or information would be appreciated.
Thanks.
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Re: [CentOS] Getting info on hardware RAID

[Sebastian Walter]

Hi,

one solution which works for sure is to reboot your server, and then 
soon after the Dell logo disappears, a message is shown from the PERC 
(that's how the dell raids are called I think), where you can press 
-a or something like this. Then you are in the raid management 
tool where you get all the detailed infos about your disks as well as 
raid configurations.


Only if rebooting is an option for you, of course.

Regards,
Sebastian

William Warren wrote:
if they are dells go to support.dell.com and input your system serial 
numbers.  You'll get the information you need there.


Matt Arnilo S. Baluyos (Mailing Lists) wrote:

On 8/27/07, Mezei Zoltán <[EMAIL PROTECTED]> wrote:

Matt Arnilo S. Baluyos (Mailing Lists) wrote:

I'm doing an audit of all our servers here (there aren't that many
maybe around 5-10) and one of the things I'm doing is taking note of
each server's hardware specs (processor, memory, etc).


As a first task for your audit I'd recommend counting your servers :-p


Haha. Was too lazy to look at my notes. We currently have 8 servers.



Hardware RAID cards are usually managed by third-party add-on programs.
E.g. HP provides the tool called hpacucli which can determine 
everything

regarding your RAID controller and discs.

What kind of hardware RAID solution do you have? If you can't 
determine,

the output of lspci might help.


It's a Dell 2550 PowerEdge server.

Below is the result of lspci:

00:00.0 Host bridge: Broadcom CNB20HE Host Bridge (rev 23)
00:00.1 Host bridge: Broadcom CNB20HE Host Bridge (rev 01)
00:00.2 Host bridge: Broadcom CNB20HE Host Bridge (rev 01)
00:00.3 Host bridge: Broadcom CNB20HE Host Bridge (rev 01)
00:0e.0 VGA compatible controller: ATI Technologies Inc Rage XL (rev 27)
00:0f.0 ISA bridge: Broadcom OSB4 South Bridge (rev 50)
00:0f.1 IDE interface: Broadcom OSB4 IDE Controller
00:0f.2 USB Controller: Broadcom OSB4/CSB5 OHCI USB Controller (rev 04)
01:08.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5700
Gigabit Ethernet (rev 10)
02:02.0 PCI bridge: Intel Corporation 80960RM [i960RM Bridge] (rev 01)
02:02.1 RAID bus controller: Dell PowerEdge Expandable RAID Controller
3/Di (rev 01)
02:04.0 Ethernet controller: Intel Corporation 82557/8/9 [Ethernet Pro
100] (rev 08)






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Re: [CentOS] centos] Xen VM vanishes after creation

[Kai Schaetzl]

R P Herrold wrote on Mon, 27 Aug 2007 15:25:41 -0400 (EDT):

> holds this answer -- if the path variable is not set, it seems 
> to look at the CWD, from some of the error cruft I can provoke

The problem is not the configuration file, the problem is the vm 
filesystem  file. That is not mentioned anywhere. How do you shutdown or 
start your VMs?
I made another test and created a second VM and then *saved* that VM. That 
saved it in the state it was in and I was able to restore it from that 
save file. However, when I then shutdown the same VM the save file has 
completely vanished and only the filesystem file is there as before. 
There's no way to "revive" it then.
This can't be it, I must be missing something, although I've read almost 
all of the Virtualization Guide by now.
Or is it really intended that the only way to keep a VM is to save it in 
the middle of operation and restore it?

Kai

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[CentOS] Re: centos] Xen VM vanishes after creation

[R P Herrold]

On Mon, 27 Aug 2007, Kai Schaetzl wrote:


What I don't udnerstand is how xend or xm determines where the image file
is located. I can't see that anywhere. And the same applies to how it


man xm

holds this answer -- if the path variable is not set, it seems 
to look at the CWD, from some of the error cruft I can provoke 
(it does not sanity test with 'file' that it has an image, 
before starting to run a matching named file it may find in 
the CWD, such as the config file in /var/xen in my case ;)


-- Russ Herrold
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Re: [CentOS] Xen VM vanishes after creation

[Kai Schaetzl]

R P Herrold wrote on Mon, 27 Aug 2007 14:14:12 -0400 (EDT):

> I have never tried using the LO as the interface ---
> 
> 27/08/2007 03:08:46 Client 127.0.0.1 gone

I think this is misleading you in the wrong direction. That doesn't say 
anything about which IP the guest is using. Actually it had a public IP 
address, so I could install via FTP from a CentOS mirror.
That local IP above just means that the VM is running on localhost and not 
on another machine.

> 
> and do not know what may have happened in the edit of 
> xend-config.sxp, but do not know of any need to edit that.

I edited it to get the http interface to it. You can then access it on 
port 8000 via http. (I see only two root slashes, though, when connecting. 
But I assume that's normal since it thinks there are no VMs available at 
the moment.) As I said I did that *after* hitting the problem, as you can 
also see from the save time. So, that file sure is okay.
What I don't udnerstand is how xend or xm determines where the image file 
is located. I can't see that anywhere. And the same applies to how it 
determines that a file in /etc/xen configures an existing VM and others 
are only samples. There must be another information store that has this 
information. I browsed thru the RHEL Virtualization Guide and some other 
documents, but couldn't find any clues to this.


Kai

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Re: [CentOS] download CD info

[Kai Schaetzl]

Please: when you want to send a question use "new message" and not 
"reply", thanks.

Kai

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[CentOS] Xen VM vanishes after creation

[R P Herrold]

On Mon, 27 Aug 2007, Kai Schaetzl wrote:


That's so short I could post it here. But here you go:

http://www.pastebin.ca/672505

test1 is the name of the VM. It's the first and only I 
created so far. I made one or two edits in xend-config.sxp 
*after* the problem occurred, nothing that could have any 
effect on this (mainly enabled the http access).


I have never tried using the LO as the interface ---

27/08/2007 03:08:46 Client 127.0.0.1 gone

and do not know what may have happened in the edit of 
xend-config.sxp, but do not know of any need to edit that.


These are wild guesses, but to partition the problem further, 
either restore xend-config.sxp to stock, or try to install 
against an interface where bridging can occur -- I mage a PDF 
of:

http://www.colug.net/notes/0708mtg/xen-COLUG-Aug2007.txt
so that we have page numbers: see page 4 of
http://www.colug.net/notes/0708mtg/xen-COLUG-Aug2007.pdf
I am not at all sure that the LO device can do that.

-- Russ Herrold
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[CentOS] Re: download CD info

[Scott Silva]

ann kok spake the following on 8/27/2007 10:16 AM:

Hi all

1/ ls the Centos 5.0 equal to Redhat enterprise 5?
2/ what is meaning live CD? CentOS-5.0-i386-LiveCD.iso

ls it meaning rescure CD?
3/ what is meaning of torrent? it is just 278K

And since you are new, you won't get the flogging for hijacking someone else's 
thread.
If you are making a new message don't reply to someone else's message and 
change the subject.


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[CentOS] CentOS 4.5: Automounted USB disks eventually stop appearing on desktop

[Bart Schaefer]

This is just a minor annoyance, but I wondered if anyone has any insights.

When I first boot the system and log in to Gnome, and then plug in
e.g. a USB stick or compact flash card, I get an icon for it on the
desktop.  I can right-click on this icon to "eject" the filesystem,
etc.

Eventually, though, for no obvious reason, this stops working and I no
longer get an icon when I insert a USB device.  The automount is still
happening; I can still navigate to the device under /media with
Nautilus, and I can still umount it from a shell as a nonprivileged
user.

What process is supposed to be noticing the new mount and adding the
icon?  Any clues as to why it would stop doing so?
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Re: [CentOS] download CD info

[Ray Leventhal]

ann kok wrote:
> Hi all
>
> 1/ ls the Centos 5.0 equal to Redhat enterprise 5?
> 2/ what is meaning live CD? CentOS-5.0-i386-LiveCD.iso
>
> ls it meaning rescure CD?
> 3/ what is meaning of torrent? it is just 278K
>
> Thank you
>
>
>
>
>
>
>
> 
> Looking for a deal? Find great prices on flights and hotels with Yahoo! 
> FareChase.
> http://farechase.yahoo.com/
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>   
CentOS5 is based on RHEL5.

A Live CD typically means an OS on a bootable CD.

A Rescue CD is typically used to help 'rescue' a corrupted system when
the bootable partition on the system can't be reached for some reason.

A torrent file is a function of 'BitTorrent'.  This is a  distributed
method of providing content, not unlike gnutella clients.
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[CentOS] download CD info

[ann kok]

Hi all

1/ ls the Centos 5.0 equal to Redhat enterprise 5?
2/ what is meaning live CD? CentOS-5.0-i386-LiveCD.iso

ls it meaning rescure CD?
3/ what is meaning of torrent? it is just 278K

Thank you






   

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FareChase.
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Re: [CentOS] Xen VM vanishes after creation

[Kai Schaetzl]

R P Herrold wrote on Mon, 27 Aug 2007 12:13:47 -0400 (EDT):

> hmmm -- As I recall, you noted in your initial post having 
> built the xen images at: /home/xen.  Please, could you please 
> place in a pastebin (http://www.pastebin.ca/) the following:
> 
>  ls -l /etc/xen
>  ls -l /home/xen
> 
> and advise us of the pastebin URL?

That's so short I could post it here. But here you go:

http://www.pastebin.ca/672505

test1 is the name of the VM. It's the first and only I created so far.
I made one or two edits in xend-config.sxp *after* the problem occurred,
nothing that could have any effect on this (mainly enabled the http access).

Kai

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Re: [CentOS] Strange behavior from OO Writer

[Jim Perrin]

On 8/27/07, Steven Vishoot <[EMAIL PROTECTED]> wrote:
>
> --- Mark Hull-Richter <[EMAIL PROTECTED]> wrote:

> > > Lock file on the original file?
> > >
> > Something like that (pilot error).

> come on we are chomping at the bits to know what went
> wrong? ;-0

Having watched (and occasionally delivered) some heavy-handed
clue-by-four training to Mark, perhaps he simply wants to keep some
dignity here by not admitting such an error and having half the
mailing list laugh at him.  I can completely understand the sentiment,
and I respect his desire to keep his mistake to himself.

Having said that... this is the centos mailing list.

OUT WITH IT MAN! WE WANT TO KNOW!!!11eleventy111!!!

:-P

/God I'm a jerk




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[CentOS] Xen VM vanishes after creation

[R P Herrold]

On Mon, 27 Aug 2007, Kai Schaetzl wrote:


R P Herrold wrote on Mon, 27 Aug 2007 11:29:47 -0400 (EDT):



 cd /etc/xen


hmmm -- As I recall, you noted in your initial post having 
built the xen images at: /home/xen.  Please, could you please 
place in a pastebin (http://www.pastebin.ca/) the following:


ls -l /etc/xen
ls -l /home/xen

and advise us of the pastebin URL?

thanks

-- Russ Herrold
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Re: [CentOS] Strange behavior from OO Writer

[Steven Vishoot]

--- Mark Hull-Richter <[EMAIL PROTECTED]> wrote:

> On 8/25/07, John Bowden <[EMAIL PROTECTED]>
> wrote:
> >
> > Lock file on the original file?
> >
> Something like that (pilot error).
> ___
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come on we are chomping at the bits to know what went
wrong? ;-0

Steven
 

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Re: [CentOS] Xen VM vanishes after creation

[Kai Schaetzl]

R P Herrold wrote on Mon, 27 Aug 2007 11:29:47 -0400 (EDT):

> I did a presentation in some depth at a local LUG (third in a 
> series) just last Saturday, and the notes are at:
> http://www.colug.net/notes/0708mtg/

Thanks, browsed it and keep a link to it. I didn't know Citrix just bought 
XenSource.

>  cd /etc/xen
> 
> and rerun the command -- 'xm' does not have a reasonable 
> default search path.

Still no go. It doesn't exist according to xm. It also ignores the sample 
config files in this directory. How does it determine they are samples?

Kai

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[CentOS] Re: "Site down for maintenance" - How is this accomplished?

[Scott Silva]

Matt Arnilo S. Baluyos (Mailing Lists) spake the following on 8/26/2007 11:57 
PM:

Thanks for the interesting insights everyone. I'll definitely look at
your suggestions.

And yes, the data center is off-site so that means the servers will be
on a different network.
One last thought. Maybe the datacenter can provide a temporary banner page for 
the migration period.


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Re: [CentOS] NX on 4.5 vs 5.0

[Scott Moseman]

On 8/27/07, Johnny Hughes <[EMAIL PROTECTED]> wrote:
>
> > NX connections to my 4.5 server give "cramped" looking fonts (as if
> > the resolution were wrong).  Connections to my 5.0 server look great
> > regardless of the resolution.  Both use GNOME.  Is there anything I
> > can do to the 4.5 servers to increase the quality of the NX
> > connections?
>
> Not sure what is causing your problem, but the version of freenx/nx that
> I have in the testing repository is newer that the one in extras and
> might help:
>
> http://dev.centos.org/centos/4/testing/i386/RPMS/nx-3.0.0-3.el4.centos.i386.rpm
>
> http://dev.centos.org/centos/4/testing/i386/RPMS/freenx-0.6.0-13.el4.centos.i386.rpm
>

Thanks for the updated versions, Johnny, but it didn't seem to help.
I even upgraded the client on my Windows desktop to 3.0.x, too.  I'm
assuming others have 4.5s that work fine, so there must just be
something goofy with my config or installed packages.

Thanks,
Scott
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Re: [CentOS] rpmforge checksum errors

[Kai Schaetzl]

Jim Perrin wrote on Sun, 26 Aug 2007 21:18:19 -0400:

> I've only seen this on networks where I  (or my providers) use
> proxies, however you may have better luck asking on the rpmforge
> user's list.

I'm not using a proxy. On first glance it looks to me like the repo gets 
so frequently updated that the meta data is always out of sync. As I don't 
know how it works that's probably wrong, but it feels like that :-)
I didn't ever (or almost never) notice that with CentOS 4, but I see it 
frequently happen with both my new CentOS 5 installations. rpmforge has 
become almost unusable because of this. I thought I'd ask here first, as 
I'm not subscribed to the rpmforge list and I know that many here are 
using it. I'll take it over to rpmforge after a bit of waiting here for 
other replies.

Kai

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[CentOS] Xen VM vanishes after creation

[R P Herrold]

On Mon, 27 Aug 2007, Kai Schaetzl wrote:


Just starting and playing around with Xen on Centos 5.
I created a new VM (para-virtualized) with the Virtual Machine Manager,
installed Centos 5 minimal on it, rebooted after successful installation.


I did a presentation in some depth at a local LUG (third in a 
series) just last Saturday, and the notes are at:

   http://www.colug.net/notes/0708mtg/


The VM console vanishes on shutdown and that's it. The VM id vanishes from
the VM Manager and there's no way to get it back. It looks like the new VM
doesn't exist. xm list shows only Domain-0, virsh list


do a:

cd /etc/xen

and rerun the command -- 'xm' does not have a reasonable 
default search path.


--all tells me that it cannot list the inactive domains. A 
restore from the VM file fails as well. The VM image file 
exists (in /home/vm), a config file for it in /etc/xen 
exists. But I don't see where the path to the image file 
might have been saved. Maybe that's the problem? (I know the 
location can create a problem with SELinux, but I'm 
currently running permissive and only testing.)


yes -- the SELinux issue also is present as noted in the 
outline.


-- Russ Herrold
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Re: [CentOS] same Old question: 32 bits VS 64 bits on database performance

[Ken Price]

We have several large projects will use ORACLE 10Gr2
database with CENTOS 4.X.  Does anyone have
performance report on 32 Bits O.S. (with 32 bit
ORACLE) VS 64 bits?


I don't have any "report" per se, however, I have production  
experience with Oracle 9i, 9iR2, 10g, and 10gR2 on RedHat 7.3, CentOS  
3.X, and CentOS 4.X (32 and 64-bit).  Typically speaking, there isn't  
a huge increase in performance moving from 32-bit to 64-bit (Dell  
PowerEdge 2950).  I'd guess it's around 5-10% on the same hardware.   
However, the scalability of 64-bit - especially with regards to memory  
usage - should make this a no-brainer.  ALWAYS go with 64-bit where  
possible for databases and application servers.


If you are trying to same money and stick to older 32-bit hardware,  
there are of course workarounds for the memory limitations of the  
32-bit OS using "hugepages".

See the following:
http://www.puschitz.com/TuningLinuxForOracle.shtml#LargeMemoryOptimization

-Ken


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Re: [CentOS] same Old question: 32 bits VS 64 bits on database performance

[Peter Arremann]

On Monday 27 August 2007, mcclnx mcc wrote:
> We have several large projects will use ORACLE 10Gr2
> database with CENTOS 4.X.  Does anyone have
> performance report on 32 Bits O.S. (with 32 bit
> ORACLE) VS 64 bits?
>
> Thanks.

Don't have anything recent on 10g and 4.x but we did some testing with a 
pre-release version of 11g running on CentOS 5... We started with 2GB ram on 
a Core 2 Duo E6400. 

The results with our tests and data sets showed that the difference is nothing 
you will notice. In most cases the 64bit version was a tiny bit slower. 
However, two results were unusual. When processing outer left joins, the 
64bit version was quite a bit faster - somewhere around 15%. The opposite was 
true on rollback of large transactions resulting from deadlocks. There the 
32bit version was much subjectively faster. No exact timings though since I 
have no idea how to measure the exact time of a deadlock detection :) 

Once you add more ram though or go to a larger smp system, the 64bit quickly 
leaves behind the 32bit version... All that said, we decided to go 64bit only 
for what we do here, even of small dev boxes. That makes the environment 
consistent and nothing we saw showed there was any real advantage to staying 
32bit is your hardware supports 64. 

Also, you will find other benchmarks online. There are some that show a large 
benefit of using 64bit (usually large memory systems) and others that show a 
benefit of staying 32bit (usually systems with small amounts of memory). Yet 
others show results similar to what we found. In the end it comes down to how 
much ram you have, your index types and some other things. If you need to 
know a good result for your scenario, you will have to do the testing 
yourself.

Peter. 
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Re: [CentOS] Getting info on hardware RAID

[Craig White]

On Mon, 2007-08-27 at 15:05 +0800, Matt Arnilo S. Baluyos (Mailing
Lists) wrote:
> Hello everyone,
> 
> I'm doing an audit of all our servers here (there aren't that many
> maybe around 5-10) and one of the things I'm doing is taking note of
> each server's hardware specs (processor, memory, etc).
> 
> I can't seem to figure out how to get the information for the hard
> drives. The drives are in a hardware RAID5 array and are all SCSI
> types. I would like to get each physical SCSI drive's specifications
> (like, disk capacity).
> 
> Also, we have another server that also uses Hardware RAID and there's
> a RAID5 and a RAID1 array in there and I would also like to get as
> much information as I have on them.
> 
> How do I get this information from the console? Is this possible? I
> don't have physical access to the servers and can only log in
> remotely.
> 
> Thanks,
> Matt

try this (as root naturally)
wget -q -O - http://linux.dell.com/repo/software/bootstrap.cgi | bash
yum install srvadmin-all
modprobe ipmi_si
modprobe ipmi_devintf
srvadmin-services.sh start

then open a web browser and point it to the system in question...

https://ip_address_or_fqdn:1311

log in as root

otherwise, you can use 'omreport' commands also installed by above

Craig

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Re: [CentOS] rpmforge checksum errors

[Jordi Espasa Clofent]

I've only seen this on networks where I  (or my providers) use
proxies, however you may have better luck asking on the rpmforge
user's list.


M... I "sufer" this issue frequently. And I establish the connection 
from several sites (home, work). Maybe I'm behind a proxy network in my 
hme connection, but in my job it doesn't.


I will notice Dag about this post.

--
Thanks,
Jordi Espasa Clofent
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[CentOS] same Old question: 32 bits VS 64 bits on database performance

[mcclnx mcc]

We have several large projects will use ORACLE 10Gr2
database with CENTOS 4.X.  Does anyone have
performance report on 32 Bits O.S. (with 32 bit
ORACLE) VS 64 bits?

Thanks.


  

杜絕網路駭客，保障帳號安全 - 馬上設定 Yahoo!奇摩安全圖章http://tw.info.yahoo.com/seal/index.html
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Re: [CentOS] NX on 4.5 vs 5.0

[Johnny Hughes]

Scott Moseman wrote:
> NX connections to my 4.5 server give "cramped" looking fonts (as if
> the resolution were wrong).  Connections to my 5.0 server look great
> regardless of the resolution.  Both use GNOME.  Is there anything I
> can do to the 4.5 servers to increase the quality of the NX
> connections?
> 
> Thanks,
> Scott

Not sure what is causing your problem, but the version of freenx/nx that
I have in the testing repository is newer that the one in extras and
might help:

http://dev.centos.org/centos/4/testing/i386/RPMS/nx-3.0.0-3.el4.centos.i386.rpm

http://dev.centos.org/centos/4/testing/i386/RPMS/freenx-0.6.0-13.el4.centos.i386.rpm

Thanks,
Johnny Hughes



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[CentOS] Avoiding mounting other installation's partitions and volumes

[Ioannis Vranos]

OSes: CentOS 5.0 x86, CentOS 4.5 x86.


Hi, I have CentOS 5.0 x86 installed on an IDE HDD.


[EMAIL PROTECTED] ~]$ df -h

FilesystemSize  Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
  224G  8.5G  204G   4% /
/dev/hdc1  99M   16M   79M  17% /boot
tmpfs 506M 0  506M   0% /dev/shm



I want to install CentOS 4.5 x86 on another hard disk, but from my past 
experience, when using one installation, it also automounts the logical 
volumes etc of the other installation during boot.


How can I avoid this?
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Re: [CentOS] Getting info on hardware RAID

[William Warren]

if they are dells go to support.dell.com and input your system serial 
numbers.  You'll get the information you need there.


Matt Arnilo S. Baluyos (Mailing Lists) wrote:

On 8/27/07, Mezei Zoltán <[EMAIL PROTECTED]> wrote:

Matt Arnilo S. Baluyos (Mailing Lists) wrote:

I'm doing an audit of all our servers here (there aren't that many
maybe around 5-10) and one of the things I'm doing is taking note of
each server's hardware specs (processor, memory, etc).


As a first task for your audit I'd recommend counting your servers :-p


Haha. Was too lazy to look at my notes. We currently have 8 servers.



Hardware RAID cards are usually managed by third-party add-on programs.
E.g. HP provides the tool called hpacucli which can determine everything
regarding your RAID controller and discs.

What kind of hardware RAID solution do you have? If you can't determine,
the output of lspci might help.


It's a Dell 2550 PowerEdge server.

Below is the result of lspci:

00:00.0 Host bridge: Broadcom CNB20HE Host Bridge (rev 23)
00:00.1 Host bridge: Broadcom CNB20HE Host Bridge (rev 01)
00:00.2 Host bridge: Broadcom CNB20HE Host Bridge (rev 01)
00:00.3 Host bridge: Broadcom CNB20HE Host Bridge (rev 01)
00:0e.0 VGA compatible controller: ATI Technologies Inc Rage XL (rev 27)
00:0f.0 ISA bridge: Broadcom OSB4 South Bridge (rev 50)
00:0f.1 IDE interface: Broadcom OSB4 IDE Controller
00:0f.2 USB Controller: Broadcom OSB4/CSB5 OHCI USB Controller (rev 04)
01:08.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5700
Gigabit Ethernet (rev 10)
02:02.0 PCI bridge: Intel Corporation 80960RM [i960RM Bridge] (rev 01)
02:02.1 RAID bus controller: Dell PowerEdge Expandable RAID Controller
3/Di (rev 01)
02:04.0 Ethernet controller: Intel Corporation 82557/8/9 [Ethernet Pro
100] (rev 08)




--
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Isa 54:17  No weapon that is formed against thee shall prosper; and 
every tongue that shall rise against thee in judgment thou shalt 
condemn. This is the heritage of the servants of the LORD, and their 
righteousness is of me, saith the LORD.


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Machines:
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Re: [CentOS] Getting info on hardware RAID

[Alain Spineux]

DELL had 2 main family of RAID hardware using 2 different drivers.
Once is aacraid, and I manage them using afacli (command line tool)

Here is a getting started :-)

[EMAIL PROTECTED] ~]# ls -l /dev/afa0
crw-r--r--  1 root root 254, 0 Aug 27 13:30 /dev/afa0
[EMAIL PROTECTED] ~]# afacli
--

DELL PowerEdge Expandable RAID Controller 2 Command Line Interface
Copyright 1998-2004 Adaptec, Inc. All rights reserved
--

CLI > open afa0
Executing: open "afa0"

AFA0> container list
Executing: container list
Num  Total  Oth Chunk  Scsi   Partition
Label Type   Size   Ctr Size   Usage   B:ID:L Offset:Size
- -- -- --- -- --- -- -
 0RAID-5 1.09TB   64KB Valid   0:00:0 64.0KB: 279GB
 /dev/sda RAID5_5x300  0:01:0 64.0KB: 279GB
   0:05:0 64.0KB: 279GB
   0:03:0 64.0KB: 279GB
   0:04:0 64.0KB: 279GB

 1Volume  279GBValid   0:02:0 64.0KB: 279GB
 /dev/sdb VOLUME_1X300


AFA0> disk show space
Executing: disk show space

Scsi B:ID:L Usage  Size
--- -- -
  0:00:0 Container 64.0KB: 279GB
  0:00:0 Free   279GB: 149MB
  0:01:0 Container 64.0KB: 279GB
  0:01:0 Free   279GB: 149MB
  0:02:0 Container 64.0KB: 279GB
  0:02:0 Free   279GB: 405MB
  0:03:0 Container 64.0KB: 279GB
  0:03:0 Free   279GB: 149MB
  0:04:0 Container 64.0KB: 279GB
  0:04:0 Free   279GB: 149MB
  0:05:0 Container 64.0KB: 279GB
  0:05:0 Free   279GB: 149MB

AFA0> help
Executing: help
close - Closes the currently opened controller when all access is completed.
exit - Closes the currently opened controller and exits the CLI.
open - Opens a controller for use in the CLI. The open command prepares a
particular controller for access by the CLI.
history_size - Set size of history buffer.
reset_window - Reset the window.
container - Container operation commands.
container add_level - Creates a multilevel volume container which will
contain the specified container as its only element.
container create - Creates various containers and items.
container create mirror - Creates a mirror set from a single entry
volume set.
container create mmirror - Creates a multilevel container of mirror
sets from a multilevel container of single entry volume sets.
.


Manage RAID 5 is more than verify the container is ok !
You need to be active by checking the disk often for bad block and replace
them.
One I got bad block on 3 of a 4disk array another time it was 3disk on an
array of 5 and this time
I got lot of corrupted files (with bloc of 4k filled with random value).
Now a check all my disk every month.
Hope this help

Here all my own management script. You can run all these script when the
system is running. Of course the disk verify will slow down
the system :-)

# for file in *.afa *.sh ; do echo === $file === ; cat $file ;
done
=== check.afa ===
open afa0
disk verify 0
disk verify 1
disk verify 2
disk verify 3
disk verify 4
disk verify 5
task list
close
exit

=== history.afa ===
open afa0
diagnostic show history
close
exit
=== status.afa ===
open afa0
disk list
disk show space
container list
close
exit
=== task.afa ===
open afa0
task list
close
exit
=== verify.afa ===
open afa0
task list
diagnostic show history
close
exit
=== history.sh ===

afacli @history.afa

=== start_check.sh ===
afacli @check.afa

echo "run verify.sh later (use task.sh to know if the task are done)"

=== status.sh ===

afacli @status.afa

=== task.sh ===

afacli @task.afa

=== verify.sh ===

afacli @verify.afa | egrep "media_scan|ID\(0:0.:0\)|Periodic Time Display"






On 8/27/07, Matt Arnilo S. Baluyos (Mailing Lists) <
[EMAIL PROTECTED]> wrote:
>
> On 8/27/07, Mezei Zoltán <[EMAIL PROTECTED]> wrote:
> > Matt Arnilo S. Baluyos (Mailing Lists) wrote:
> > >
> > > I'm doing an audit of all our servers here (there aren't that many
> > > maybe around 5-10) and one of the things I'm doing is taking note of
> > > each server's hardware specs (processor, memory, etc).
> > >
> > As a first task for your audit I'd recommend counting your servers :-p
>
> Haha. Was too lazy to look at my notes. We currently have 8 servers.
>
>
> > Hardware RAID cards are usually managed by third-party add-on programs.
> > E.g. HP provides the tool called hpacucl

Re: [CentOS] GNBD and DRBD kernel mods

[Johnny Hughes]

Bart wrote:
> Thanks Karanbir!
> 
> It's bug #0002284. I hope you can do a lot ;)
> 
> - Original Message -
> From: "Karanbir Singh" 
> To: "CentOS mailing list" 
> Subject: Re: [CentOS] GNBD and DRBD kernel mods
> Date: Tue, 21 Aug 2007 02:35:17 +0100
> 
> 
> Bart wrote:
>>> What is it in the Plus kernel that you need and cant be packaged 
>>> into a kmod itself ?
>> Ehm, nothing...
>>
>> I just need a kernel that both has a kmod-drbd and kmod-gnbd. I 
>> don't believe that this is the case for the current Plus kernel.
>>
>> This is my problem:
>> [EMAIL PROTECTED] log]# yum install kmod-gnbd kmod-drbd
>> Loading "installonlyn" plugin
>> Setting up Install Process
>> Setting up repositories
>> Reading repository metadata in from local files
>> Parsing package install arguments
>> Resolving Dependencies
>> --> Populating transaction set with selected packages. Please wait.
>> ---> Package kmod-drbd.i686 
>> 0:8.0.4-1.2.6.18_8.1.8.el5.centos.plus set to be installed
>> ---> Package kmod-gnbd.i686 0:0.1.3-4.2.6.18_8.1.8.el5 set to be installed
>> --> Running transaction check
>> --> Processing Dependency: kernel-i686 = 2.6.18-8.1.8.el5 for 
>> package: kmod-gnbd
>> --> Processing Dependency: kernel-i686 = 
>> 2.6.18-8.1.8.el5.centos.plus for package: kmod-drbd
>> --> Restarting Dependency Resolution with new changes.
>> --> Populating transaction set with selected packages. Please wait.
>> ---> Package kernel.i686 0:2.6.18-8.1.8.el5 set to be installed
>> ---> Package kernel.i686 0:2.6.18-8.1.8.el5.centos.plus set to be installed
>> --> Running transaction check
>> --> Processing Dependency: kernel-i686 = 2.6.18-8.1.8.el5 for 
>> package: kmod-gnbd
>> --> Restarting Dependency Resolution with new changes.
>> --> Populating transaction set with selected packages. Please wait.
>> ---> Package kernel.i686 0:2.6.18-8.1.8.el5 set to be installed
>> --> Running transaction check
>> --> Processing Dependency: kernel-i686 = 2.6.18-8.1.8.el5 for 
>> package: kmod-gnbd
>> --> Restarting Dependency Resolution with new changes.
>> --> Populating transaction set with selected packages. Please wait.
>> ---> Package kernel.i686 0:2.6.18-8.1.8.el5 set to be installed
>> --> Running transaction check
>> Error: Unable to satisfy dependencies
>> Error: Package kmod-gnbd needs kernel-i686 = 2.6.18-8.1.8.el5, 
>> this is not available.
>>
>> Thanks.
>>
> 
> 
> if you open an issue report for this situation at 
> http://bugs.centos.org/ we'll see what can be done
> 
> 
> -- Karanbir Singh : http://www.karan.org/ : [EMAIL PROTECTED]

Bart ... there is a kmod-drbd for the regular kernel in extras.

You DO NOT NEED the plus kernel to use drbd.

I would not use yum to install kmod stuff ... I so download and upgrade
all those by hand personally.

Thanks,
Johnny Hughes



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[CentOS] Xen VM vanishes after creation

[Kai Schaetzl]

Just starting and playing around with Xen on Centos 5.
I created a new VM (para-virtualized) with the Virtual Machine Manager, 
installed Centos 5 minimal on it, rebooted after successful installation. 
The VM console vanishes on shutdown and that's it. The VM id vanishes from 
the VM Manager and there's no way to get it back. It looks like the new VM 
doesn't exist. xm list shows only Domain-0, virsh list --all tells me that 
it cannot list the inactive domains. A restore from the VM file fails as 
well.
The VM image file exists (in /home/vm), a config file for it in /etc/xen 
exists. But I don't see where the path to the image file might have been 
saved. Maybe that's the problem? (I know the location can create a problem 
with SELinux, but I'm currently running permissive and only testing.)

Kai

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Re: [CentOS] Changing IRQ

[Ron]

I have a Digium too, on an older mainboard it worked ok when I reserved 
a IRQ for the slot it was in.


But on another mainboard this bios option wasn't available, I tried 
swapping slots, and found 1 combination where it didn't interfere with 
my SATA card.


Maybe you can reserve an IRQ on your BIOS?

Regards,
Ron.

Is there a way to change IRQ of PCI devices?


PCI is designed to share IRQs between cards, and to automatically 
configure.  all PCI device drivers should be designed to cope 
properly with this.


I have a Digium card which is conflicting with all the other PCI cards 
and even the onboard NIC.


There are 3 PCI slots and i had swapped all the 3 and have the same 
SIOCSIFFLAGS error


What do you think? the Digium is broken?
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[CentOS] Can't print from Firefox

[Niki Kovacs]

Hi,

I've just installed CentOS 5.0 on my father's laptop, in replacement of 
Windows XP. Everything runs fine, except I can't seem to print from 
Firefox.


So far, I can print a test page from the CUPS interface (as root). As 
user, printing works fine from applications such as GEdit or 
OpenOffice.org Writer. But I can't print anything from Firefox.


Any suggestions?

Niki Kovacs

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Re: [CentOS] Announcement Project based on CentOS 4.4

[Tronn Wærdahl]

I have made a new version available

It fixes som minor "bugs"
The installer dont display so much to screen during installation.

When you start installing it, you can choose if you want to install
Open-Xchange 0.8.6-5 or 0.8.7

Its available  on http://www.nnortux.no

Enjoy

Tronn

On 7/14/07, Trey Sizemore <[EMAIL PROTECTED]> wrote:
>
> On Thu, 12 Jul 2007 14:58:05 +0200
> "Tronn Wærdahl" <[EMAIL PROTECTED]> wrote:
>
> > On 7/12/07, Robert Moskowitz <[EMAIL PROTECTED]> wrote:
> > >
> > >
> > > Tronn Wærdahl wrote:
> > > > I put together a CD with Open-exchange 0.8.6-5 and more, based on
> > > > Centos 4.4
> > > >
> > > > When installing the CD, all required software is installed, all
> > > > that is needed after Os install is to run a config script, that
> > > > make if fit your enviroment
> > > >
> > > > Dependig on the speed on your CDrom the installation should take
> > > > no more than 30 minutts
> > > >
> > > > It install the following:
> > > >
> > > > * Open-Exchange 0.8.6-5
> > > > * Samba PDC
> > > >
> > > Wow, I would be interested in this just for the Samba PDC portion!
> > > But will wait for you to have it on Centos 5...
> > > >
> > > > * A PDF printer
> > > > * Wildfire, a jabber server (for chating )
> > > > * Avaadm
> > > > * Jetti, (jabber webclient)
> > > > * Squid
> > > > * Nameserver ( needed when join machins to domain)
> > > > * Smartsive and websive
> > > > * Antivirus
> > > > * Syncml ( but i havent got it to work with any of my
> > > > clients )
> > > >
> > > >
> > > > Since it could be so difficult to install, I put this together
> > > > CD, and I guess allso others would have some use for it
> > > >
> > > > Its aviliable for download here http://ntx.waerdahl.net
> > > > 
> > > >
> > > > Tronn
> > > >
> > > >
> > >
> >
> > Hi
> >
> > For the moment its only avilible for CentOS 4.4, as for now I dont
> > have any plan for jumping to CentOS 5. Im currently working on other
> > projects based on 4.4 Of course if CentOS 5 is what the community
> > wants, then I will consider that
> >
> >
> > Tronn
>
> Thanks for the work on this and yes, I'd like to see it for CentOS 5!
>
> --
> Cheers,
> Trey
> 
>
> "I don't like spinach, and I'm glad I don't, because if I liked it I'd
> eat it, and I just hate it."
> -- Clarence Darrow
>
> Linux salamander 2.6.18.8-0.3-default x86_64 GNU/Linux
> 10:25am  up 12 days 23:14,  6 users,  load average: 0.27, 0.28, 0.23
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Re: [CentOS] Strange behavior from OO Writer

[Mark Hull-Richter]

On 8/25/07, John Bowden <[EMAIL PROTECTED]> wrote:
>
> Lock file on the original file?
>
Something like that (pilot error).
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Re: [CentOS] Getting info on hardware RAID

[Tomasz Napierała]

On Monday 27 August 2007 09:19:16 Matt Arnilo S. Baluyos (Mailing Lists) 
wrote:
[snip]

> > Hardware RAID cards are usually managed by third-party add-on programs.
> > E.g. HP provides the tool called hpacucli which can determine everything
> > regarding your RAID controller and discs.
> >
> > What kind of hardware RAID solution do you have? If you can't determine,
> > the output of lspci might help.
>
> It's a Dell 2550 PowerEdge server.
>
> Below is the result of lspci:

[snip]

> 02:02.1 RAID bus controller: Dell PowerEdge Expandable RAID Controller
> 3/Di (rev 01)


You might wont to install some Dell tools:
http://linux.dell.com/repo/software/

Re
-- 
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System Administrator
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Re: [CentOS] Getting info on hardware RAID

[Matt Arnilo S. Baluyos (Mailing Lists)]

On 8/27/07, Mezei Zoltán <[EMAIL PROTECTED]> wrote:
> Matt Arnilo S. Baluyos (Mailing Lists) wrote:
> >
> > I'm doing an audit of all our servers here (there aren't that many
> > maybe around 5-10) and one of the things I'm doing is taking note of
> > each server's hardware specs (processor, memory, etc).
> >
> As a first task for your audit I'd recommend counting your servers :-p

Haha. Was too lazy to look at my notes. We currently have 8 servers.


> Hardware RAID cards are usually managed by third-party add-on programs.
> E.g. HP provides the tool called hpacucli which can determine everything
> regarding your RAID controller and discs.
>
> What kind of hardware RAID solution do you have? If you can't determine,
> the output of lspci might help.

It's a Dell 2550 PowerEdge server.

Below is the result of lspci:

00:00.0 Host bridge: Broadcom CNB20HE Host Bridge (rev 23)
00:00.1 Host bridge: Broadcom CNB20HE Host Bridge (rev 01)
00:00.2 Host bridge: Broadcom CNB20HE Host Bridge (rev 01)
00:00.3 Host bridge: Broadcom CNB20HE Host Bridge (rev 01)
00:0e.0 VGA compatible controller: ATI Technologies Inc Rage XL (rev 27)
00:0f.0 ISA bridge: Broadcom OSB4 South Bridge (rev 50)
00:0f.1 IDE interface: Broadcom OSB4 IDE Controller
00:0f.2 USB Controller: Broadcom OSB4/CSB5 OHCI USB Controller (rev 04)
01:08.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5700
Gigabit Ethernet (rev 10)
02:02.0 PCI bridge: Intel Corporation 80960RM [i960RM Bridge] (rev 01)
02:02.1 RAID bus controller: Dell PowerEdge Expandable RAID Controller
3/Di (rev 01)
02:04.0 Ethernet controller: Intel Corporation 82557/8/9 [Ethernet Pro
100] (rev 08)


-- 
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Follow it and there is no end.
Stay with the ancient Tao,
Move with the present.
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Re: [CentOS] Getting info on hardware RAID

[Mezei Zoltán]

Matt Arnilo S. Baluyos (Mailing Lists) wrote:
>
> I'm doing an audit of all our servers here (there aren't that many
> maybe around 5-10) and one of the things I'm doing is taking note of
> each server's hardware specs (processor, memory, etc).
>
As a first task for your audit I'd recommend counting your servers :-p
>
>
> I can't seem to figure out how to get the information for the hard
> drives. The drives are in a hardware RAID5 array and are all SCSI
> types. I would like to get each physical SCSI drive's specifications
> (like, disk capacity).
>
Hardware RAID cards are usually managed by third-party add-on programs.
E.g. HP provides the tool called hpacucli which can determine everything
regarding your RAID controller and discs.

What kind of hardware RAID solution do you have? If you can't determine,
the output of lspci might help.

Zizi

PS: I hope it won't be a HTML mail :/
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[CentOS] Getting info on hardware RAID

[Matt Arnilo S. Baluyos (Mailing Lists)]

Hello everyone,

I'm doing an audit of all our servers here (there aren't that many
maybe around 5-10) and one of the things I'm doing is taking note of
each server's hardware specs (processor, memory, etc).

I can't seem to figure out how to get the information for the hard
drives. The drives are in a hardware RAID5 array and are all SCSI
types. I would like to get each physical SCSI drive's specifications
(like, disk capacity).

Also, we have another server that also uses Hardware RAID and there's
a RAID5 and a RAID1 array in there and I would also like to get as
much information as I have on them.

How do I get this information from the console? Is this possible? I
don't have physical access to the servers and can only log in
remotely.

Thanks,
Matt

-- 
Stand before it and there is no beginning.
Follow it and there is no end.
Stay with the ancient Tao,
Move with the present.
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