[CentOS] system gets suspended automatically!

Hello! I am running CentOS-5 with latest kernel available by deault (2.6.23). I installed it on a Dell XPS machine having Intel Quad processors (4 parallel cpus). I use it to run a computational program and I need to keep the program running for 1-2 months continuously. I generally boot it in runl

Re: [CentOS] adapting perl check_snmp_load script for CentOS environment

Rogelio wrote: I'm trying to use some perl scripts on a CentOS box (Nagios03) that were previously working on a Gentoo (Nagios01) box. Any ideas on what I might to do try to resolve this? WORKS ON GENTOO nagios01 new # ./check_snmp_load.pl -H myserver.mydomain.com

[CentOS] Need help in analyzing ntop data

Hi, I want to do some analysis of NTOP data. Currently I have installed NTOP on Centos 5.1 and I am able to see some network data being graphed. But there is no documentation given whether NTOP is showing Network Throughput in MBytes or MBits for ex I am getting Throughput Min: 163.7k , Max: 3

[CentOS] adapting perl check_snmp_load script for CentOS environment

I'm trying to use some perl scripts on a CentOS box (Nagios03) that were previously working on a Gentoo (Nagios01) box. Any ideas on what I might to do try to resolve this? WORKS ON GENTOO nagios01 new # ./check_snmp_load.pl -H myserver.mydomain.com -C myPubli

Re: [CentOS] Re: tail command

On Mon, 4 Feb 2008 14:58:27 -0800 MHR <[EMAIL PROTECTED]> took out a #2 pencil and scribbled: > On Feb 4, 2008 2:31 PM, Scott Silva <[EMAIL PROTECTED]> wrote: > > on 2/4/2008 2:23 PM Bill Campbell spake the following: > > > > > On Mon, Feb 04, 2008, Scott McClanahan wrote: > > > > > > The default

Re: [CentOS] Cluster fun

Scott Ehrlich wrote: > I've priced some 1 and 2U Dell servers. Now, I'd like to perform a price > comparison of COTS hardware for 1 and 2U servers. What VAR companies do > people > recommend I check out for putting machines together? I'm perfectly capable > of > installing and swapping hardware

[CentOS] Cluster fun

I've priced some 1 and 2U Dell servers. Now, I'd like to perform a price comparison of COTS hardware for 1 and 2U servers. What VAR companies do people recommend I check out for putting machines together? I'm perfectly capable of installing and swapping hardware components when/where needed,

Re: [CentOS] Install on two discs with Software Raid and LVM

Joseph L. Casale wrote: > I am mirroring two drives during install, what's the best practice here for > the swap partition? Maybe two separate lv's from independent vg's *not* > mirrored for swap and the let the OS manage it? Boot and the / vg will be > mirrored. More of a comment than a answer bu

Re: [CentOS] Re: tail command

On Feb 4, 2008 2:31 PM, Scott Silva <[EMAIL PROTECTED]> wrote: > on 2/4/2008 2:23 PM Bill Campbell spake the following: > > > On Mon, Feb 04, 2008, Scott McClanahan wrote: > > > > The default syntax for tail for the last 20 years or so would > > be ``tail -83 filename''. > > > That would be for the

[CentOS] Re: Install on two discs with Software Raid and LVM

on 2/4/2008 2:43 PM Joseph L. Casale spake the following: Create a swap lv in the vg you created out of /dev/md1, assuming /dev/md0 is /boot. -Ross Oh, I thought it wasn’t good to run swap inside software raid? If I was wrong, I assume this is beneficial since if one of the HD’s tanks while

RE: [CentOS] Install on two discs with Software Raid and LVM

>That's old information, kernel swapper can handle all types of dev mapper >setups these days (well all types on fixed media). Ross and Les, Thank you! jlc ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] Install on two discs with Software Raid and LVM

That's old information, kernel swapper can handle all types of dev mapper setups these days (well all types on fixed media). -Ross - Original Message - From: [EMAIL PROTECTED] <[EMAIL PROTECTED]> To: 'CentOS mailing list' Sent: Mon Feb 04 17:43:50 2008 Subject: RE: [CentOS] Install on

Re: [CentOS] Install on two discs with Software Raid and LVM

Joseph L. Casale wrote: I am mirroring two drives during install, what's the best practice here for the swap partition? Maybe two separate lv's from independent vg's *not* mirrored for swap and the let the OS manage it? Boot and the / vg will be mirrored. If you would like to keep running th

RE: [CentOS] Install on two discs with Software Raid and LVM

>Create a swap lv in the vg you created out of /dev/md1, assuming /dev/md0 is >/boot. > >-Ross Oh, I thought it wasn’t good to run swap inside software raid? If I was wrong, I assume this is beneficial since if one of the HD’s tanks while its running, it will survive the failure and not need to

Re: [CentOS] Install on two discs with Software Raid and LVM

Create a swap lv in the vg you created out of /dev/md1, assuming /dev/md0 is /boot. -Ross - Original Message - From: [EMAIL PROTECTED] <[EMAIL PROTECTED]> To: 'centos@centos.org' Sent: Mon Feb 04 17:29:45 2008 Subject: [CentOS] Install on two discs with Software Raid and LVM I am mir

[CentOS] Re: tail command

on 2/4/2008 2:23 PM Bill Campbell spake the following: On Mon, Feb 04, 2008, Scott McClanahan wrote: On Mon, 2008-02-04 at 14:09 -0800, Scott Silva wrote: on 2/4/2008 1:56 PM Scott McClanahan spake the following: In centos 4 we used tail in the following way: tail +83 file That would tail th

[CentOS] Install on two discs with Software Raid and LVM

I am mirroring two drives during install, what's the best practice here for the swap partition? Maybe two separate lv's from independent vg's *not* mirrored for swap and the let the OS manage it? Boot and the / vg will be mirrored. Thanks! jlc ___ Cen

Re: [CentOS] Re: tail command

On Mon, Feb 04, 2008, Scott McClanahan wrote: > >On Mon, 2008-02-04 at 14:09 -0800, Scott Silva wrote: >> on 2/4/2008 1:56 PM Scott McClanahan spake the following: >> > In centos 4 we used tail in the following way: >> > >> > tail +83 file >> > >> > That would tail the contents of the file starti

Re: [CentOS] Re: tail command

On Mon, 2008-02-04 at 14:09 -0800, Scott Silva wrote: > on 2/4/2008 1:56 PM Scott McClanahan spake the following: > > In centos 4 we used tail in the following way: > > > > tail +83 file > > > > That would tail the contents of the file starting at line 83. In centos > > 5 that same command comp

[CentOS] Re: tail command

on 2/4/2008 1:56 PM Scott McClanahan spake the following: In centos 4 we used tail in the following way: tail +83 file That would tail the contents of the file starting at line 83. In centos 5 that same command complains about the file +83 not being found. It appears that the + option in tail

Re: [CentOS] Large RAID volume issues

On Feb 4, 2008 4:49 PM, Ross S. W. Walker <[EMAIL PROTECTED]> wrote:To move an external array to a new server is as easy as plugging > it in and importing the volume group (vgimport). > > Typically I name my OS volume groups "CentOS" and give > semi-descriptive names to my external array volume gr

[CentOS] tail command

In centos 4 we used tail in the following way: tail +83 file That would tail the contents of the file starting at line 83. In centos 5 that same command complains about the file +83 not being found. It appears that the + option in tail doesn't work the same way in centos 5. Is there another eas

RE: [CentOS] Large RAID volume issues

Rob Lines wrote: > On Feb 4, 2008 3:34 PM, Ross S. W. Walker > <[EMAIL PROTECTED]> wrote: > > > Rob Lines wrote: > > On Feb 4, 2008 3:16 PM, John R Pierce > <[EMAIL PROTECTED]> wrote: > > > > with LVM, you could join several smaller logical > > drives, maybe

Re: [CentOS] Update problem

On Feb 4, 2008 12:27 PM, Ugo Bellavance <[EMAIL PROTECTED]> wrote: > Hi, > > I was doing updates on a server and I think that the network > connection > got reset. So I guess the yum update didn't complete and I now get this > when I run 'yum update': Looks like your problem is similar t

Re: [CentOS] Large RAID volume issues

On Feb 4, 2008 3:34 PM, Ross S. W. Walker <[EMAIL PROTECTED]> wrote: > Rob Lines wrote: > > On Feb 4, 2008 3:16 PM, John R Pierce <[EMAIL PROTECTED]> wrote: > > > > with LVM, you could join several smaller logical > > drives, maybe 1TB each, > > into a single volume set, which could th

Re: [CentOS] cpu type

On Mon, 04 Feb 2008 06:01:11 -0700 Warren Young <[EMAIL PROTECTED]> wrote: > If you don't have enough RAM to need 64-bit addressing, you're just > slowing the system down, making it deal with larger addresses for no > benefit. While my Centos machines are all running 32-bit at the moment, I hav

RE: [CentOS] Large RAID volume issues

Rob Lines wrote: > On Feb 4, 2008 3:16 PM, John R Pierce <[EMAIL PROTECTED]> wrote: > > with LVM, you could join several smaller logical > drives, maybe 1TB each, > into a single volume set, which could then contain > various file systems. > > > That looks like it may be the

Re: [CentOS] Large RAID volume issues

On Feb 4, 2008 3:16 PM, John R Pierce <[EMAIL PROTECTED]> wrote: > > > > with LVM, you could join several smaller logical drives, maybe 1TB each, > into a single volume set, which could then contain various file systems. > That looks like it may be the result. The main reason was to keep the amo

[CentOS] Update problem

Hi, I was doing updates on a server and I think that the network connection got reset. So I guess the yum update didn't complete and I now get this when I run 'yum update': === Setting up Update Process Setting up repositories Reading repository metadata in from local fi

Re: [CentOS] Large RAID volume issues

Rob Lines wrote: This would appear to be your problem. Unless you have strong reasons to use 2K sectors, I'd change them to the much more standard 512. After that, parted should have no issues whatsoever. In looking back through the configuration. The 2kb sectors were set

Re: [CentOS] Large RAID volume issues

> > > This would appear to be your problem. Unless you have strong reasons to > use 2K sectors, I'd change them to the much more standard 512. > > After that, parted should have no issues whatsoever. > In looking back through the configuration. The 2kb sectors were set in the Array in the Variab

Re: [CentOS] kickstart post install show in a window

The output is on one of the virtual terminals. If you do a text mode install, or hit alt-f1 and search around for the right console, you'll find it. One possible trick would be to run everything in a subshell (see http://www.redhat.com/docs/manuals/RHNetwork/client-config/4.1.0/ch-rhnreg-ks.html),

RE: [CentOS] IPTables GUIs

> Miskell, Craig wrote: > > Hi, > > This is semi-OT, but is Centos-related. > > > > I'm looking for an IPTables GUI to help us with our expanding > > network configuration. I know there's plenty out there, but most of > > them seem to manage the firewall on the computer on which > they

RE: [CentOS] Large RAID volume issues

Joshua Baker-LePain wrote: > On Mon, 4 Feb 2008 at 11:56am, Ross S. W. Walker wrote > > > You can't use an MBR partition table on a volume that large > there is a > > max 2TB disk size limit and 2TB partition size limit for > MBR, so you > > must use GPT. > > For completeness' sake, MBR=maste

RE: [CentOS] Connect to local console from SSH session

On Mon, February 4, 2008 1:16 pm, Joseph L. Casale wrote: >>By 'console' do you mean a text-mode console or the GUI desktop running >>a local session? There are ways to connect to the latter remotely via >> vnc. > > Sorry, I mean the text based console. I am familiar with the VNC method. > jlc Yo

RE: [CentOS] Connect to local console from SSH session

>By 'console' do you mean a text-mode console or the GUI desktop running >a local session? There are ways to connect to the latter remotely via vnc. Sorry, I mean the text based console. I am familiar with the VNC method. jlc ___ CentOS mailing list Cen

Re: [CentOS] Connect to local console from SSH session

Joseph L. Casale wrote: cat /dev/vcs1 Marcelo, No way to actually interact though, without using 'screen' as mentioned beforehand if for instance I needed to answer a question? By 'console' do you mean a text-mode console or the GUI desktop running a local session? There are ways to conne

Re: [CentOS] One approach to dealing with SSH brute force attacks.

On Mon, Feb 04, 2008, John Horne wrote: > >On Wed, 2008-01-30 at 13:11 -0800, Bill Campbell wrote: >> On Wed, Jan 30, 2008, Brian Mathis wrote: >> ... >> > >> >Log parsing scripts often don't provide the immediacy that rate >> >limiting does when under attack. You'd have to run the script >> >cons

RE: [CentOS] Connect to local console from SSH session

>cat /dev/vcs1 Marcelo, No way to actually interact though, without using 'screen' as mentioned beforehand if for instance I needed to answer a question? Thanks! jlc ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/c

Re: [CentOS] New hardware to run CentOS

[EMAIL PROTECTED] wrote: > As I say before, I'm running databases with a lot of users on a CentOS4x > server. Somebody ask me to search the latest hardware to migrate my > databases to this new server. I have now an HP EVA8000 storage with a > lot of hdds, so I want know which is the best hardware

Re: [CentOS] Large RAID volume issues

On Mon, 4 Feb 2008 at 11:33am, Rob Lines wrote I have just finished creating an array on our new enclosure and our CentOS 5 server has recognized it. It shows as the full 6tb in the LSI configuration utility as well as when I ran fdisk: [EMAIL PROTECTED] etc]# parted /dev/sdb Warning: Device

RE: [CentOS] Large RAID volume issues

On Mon, 4 Feb 2008 at 11:56am, Ross S. W. Walker wrote You can't use an MBR partition table on a volume that large there is a max 2TB disk size limit and 2TB partition size limit for MBR, so you must use GPT. For completeness' sake, MBR=master boot record, not a partition table. The standard

Re: [CentOS] dmcrypt on install with centos 5.1?

On Sat, 2008-02-02 at 22:13 -0500, Jim Perrin wrote: > On Feb 1, 2008 4:39 PM, Andrew Henry <[EMAIL PROTECTED]> wrote: > > Im new to the list and CentOS and wonder if there is any option to do > > full disk encryption with dmcrypt and LUKS during the install stage of > > CentOS 5.1? I use Debian

[CentOS] New hardware to run CentOS

As I say before, I'm running databases with a lot of users on a CentOS4x server. Somebody ask me to search the latest hardware to migrate my databases to this new server. I have now an HP EVA8000 storage with a lot of hdds, so I want know which is the best hardware to get the best performance with

RE: [CentOS] Large RAID volume issues

I would seriously start thinking about using LVM on such a large storage unit. You can't use an MBR partition table on a volume that large there is a max 2TB disk size limit and 2TB partition size limit for MBR, so you must use GPT. There is a real lack of reliable and easy GPT tools under L

[CentOS] RE: Strong security in user's accounts and paswords..[SOLVE]

Hi Mark and thanks for your soon answer.. I found this excellent guide on internet http://www.puschitz.com/SecuringLinux.shtml... here I could fine all I was looking for about securing my database server running on CentOS.. Regards Israel, >I'm running RHEL 4.6 and am using the features you a

[CentOS] kickstart post install show in a window

Is there a way to get all the commands in the post install section from kickstart to show in a window on the X window screenas they are being executed? Jerry ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] cpu type

On Monday 04 February 2008, Warren Young wrote: > Jimmy Bradley wrote: > > would I really gain anything right now by going to a 64bit machine? > First, I'm not really disagreening with you, many users probably wouldn't see any advantages with x86_64. But you facts were a bit off... > Not unless

[CentOS] Large RAID volume issues

I have just finished creating an array on our new enclosure and our CentOS 5 server has recognized it. It shows as the full 6tb in the LSI configuration utility as well as when I ran fdisk: [EMAIL PROTECTED] sbin]# fdisk /dev/sdb Note: sector size is 2048 (not 512) The number of cylinders for th

Re: [CentOS] Re: Monitor power save question

I wrote and now I'm answering my own post: nate" <[EMAIL PROTECTED]> wrote: > David G. Miller wrote: > > >> > >> > Section "Device" >> > Identifier "Videocard0" >> > Driver "vesa" >> > EndSection >> > > [..] > > >> > and the video car

Re: [CentOS] One approach to dealing with SSH brute force attacks.

On Wed, 2008-01-30 at 13:11 -0800, Bill Campbell wrote: > On Wed, Jan 30, 2008, Brian Mathis wrote: > ... > > > >Log parsing scripts often don't provide the immediacy that rate > >limiting does when under attack. You'd have to run the script > >constantly parsing logs, since most ssh scans come i

Re: [CentOS] One approach to dealing with SSH brute force attacks.

mouss wrote: Les Bell wrote: mouss <[EMAIL PROTECTED]> wrote: If you consider this security through obscurity, then why not publish the list of your users on a public web page? after all, you should use strong passwords, so why hide usernames? << Usernames are comparatively hard to guess,

Re: [CentOS] Strong security in user's accounts and paswords..

I'm running RHEL 4.6 and am using the features you are looking to implement. PAM is the direction to look. I have included my /etc/pam.d/system-auth file as example: #%PAM-1.0 # This file is auto-generated. # User changes will be destroyed the next time authconfig is run. authrequired

[CentOS] Strong security in user's accounts and paswords..

Hi, I have some databases running on CentOS4 with users accessing the shell (bash), so I'd like to strong the security on my server in user's accounts and passwords.. I mean, enforcing strong passwords, min/max age passwords, locking passwords when you fail 3 times, and all this stuff. Is there any

Re: [CentOS] CentOS 5 loses ip address (newbie question)

John R Pierce wrote: frankly3d-centos wrote: Reserved ip in 192.168.x.x range for CenOS 5 (Samba Server) loses samba clients due to eth0 losing it's ip. eth0 Link encap:Ethernet HWaddr 00:04:61:72:AB:98 inet addr:169.254.66.122 Bcast:169.254.255.255 Mask:255.255.0.0

Re: [CentOS] Overclocking core 2 duo on centos 5

On 2/4/08, Ern jura <[EMAIL PROTECTED]> wrote: > Anyone out there ever overclocked core 2 duo on centos 5 > Have to ask why you would want to do that? CentOS is an enterprise OS designed to give as stable a platform as possible so overclocking your processor is kinda going against the aim of using

Re: [CentOS] cannot rewrite shadow password file

Dear Michel, Great thank you, this is working now. Will this work after a reboot too? Could you now explain me what was wrong with my SELinux setup? Thank you Regards Samuel Michel van Deventer escribió: On Fri, 2008-02-01 at 17:29 +0100, Samuel Rochas wrote: Dear Michel, Whatś the

RE: [CentOS] IPTables GUIs

> Hi, > This is semi-OT, but is Centos-related. > > I'm looking for an IPTables GUI to help us with our > expanding network configuration. I know there's plenty out > there, but most of them seem to manage the firewall on the > computer on which they run, or only handle one firew

Re: [CentOS] cpu type

Jimmy Bradley wrote: would I really gain anything right now by going to a 64bit machine? Not unless you put at least 4 GB of RAM in it, and from your description of what you do, you have no good reason to do that. If you don't have enough RAM to need 64-bit addressing, you're just slowing t

Re: [CentOS] IPTables GUIs

Miskell, Craig wrote: Hi, This is semi-OT, but is Centos-related. I'm looking for an IPTables GUI to help us with our expanding network configuration. I know there's plenty out there, but most of them seem to manage the firewall on the computer on which they run, or only handle one

Re: [CentOS] cpu type

On Sun, Feb 03, 2008 at 08:36:28PM +, John Bowden enlightened us: > > Around 12:06pm on Sunday, February 03, 2008 (UK time), Jimmy Bradley > scrawled: > > > and open it up to find out. Is there a command entered by way of the > > > terminal window that will tell me what kind of cpu I have? I w

[CentOS] Overclocking core 2 duo on centos 5

Anyone out there ever overclocked core 2 duo on centos 5 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] CentOS 5.1 on Dell R200 with 6iR?

Plant, Dean ha scritto: Hello list, Can anyone confirm if CentOS 5.1 works happily on a Dell R200 with a SAS 6iR RAID controller. yes its works uname -a Linux x 2.6.18-53.1.4.el5 #1 SMP Fri Nov 30 00:45:55 EST 2007 x86_64 x86_64 x86_64 GNU/Linux dmesg |grep SCSI SCSI subsystem in

Re: [CentOS] Connect to local console from SSH session

On Feb 4, 2008 1:15 AM, Joseph L. Casale <[EMAIL PROTECTED]> wrote: > I need to see what is happening on the local console to see the status of > something I left running, is there a way to do this? cat /dev/vcs1 (you'll need to setup 80x25 if using X) -- Marcelo "¿No será acaso que ésta vida

[CentOS] CentOS 5.1 on Dell R200 with 6iR?

Hello list, Can anyone confirm if CentOS 5.1 works happily on a Dell R200 with a SAS 6iR RAID controller. Thanks Dean ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] Java and Xalan

You need to add the xalan.jar etc to the classpath. Something like this. export CLASSPATH=$CLASSPATH:/xalan/xalan.jar:/xalan/xml- apis.jar:/xalan/xercesImpl.jar:/xalan/serializer.jar http://xml.apache.org/xalan-j/commandline.html Upul On Feb 4, 2008 3:09 PM, http://www.pas-world.com <[EMAIL PRO

Re: [CentOS] NTP server

Scott Ehrlich schrieb: I have a Centos 5 64-bit server that has ntp service enabled. Windows XP with SP2 cannot properly sync to it for time, but can communicate with it via samba, ssh, and anything else.I also disabled the Windows Firewall. The C5 system does not have any firewall enable

[CentOS] Java and Xalan

Hello, I have some problems running some tools of java in CentOS. Anyone know where is the problem for this? > [EMAIL PROTECTED] ~]$ java org.apache.xalan.xslt.Process > Exception in thread "main" java.lang.NoClassDefFoundError: > org.apache.xalan.xslt.Process >at gnu.java.lang.MainThread.r

Re: [CentOS] cpu type

On Sunday 03 February 2008 12:12:49 Steve Searle wrote: > Around 12:06pm on Sunday, February 03, 2008 (UK time), Jimmy Bradley scrawled: > > and open it up to find out. Is there a command entered by way of the > > terminal window that will tell me what kind of cpu I have? I want to say > > that it