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Re: [CentOS] nvidia dual monitor setup centos howto
by Dave 17 Jun '09

17 Jun '09

On Tue, Jun 16, 2009 at 9:18 PM, Sorin Srbu<sorin.srbu(a)orgfarm.uu.se> wrote: >>This is true both for nvidia-x11-drv and dkms-nvidia-x11-drv: the latter >>is simply a newer version with a name change, and it's the one you >>should use (but anyways if you installed the older package yum upgrade >>should offer to upgrade to dkms-*). Yeah, I had asked yum to install nvidia-x11-drv, then later when I explicitly tried to install dkms-nvidia-x11-drv it had already auto-updated and yum reported nothing to do. Maybe not completely idiot-proof, but the score is yum 1 idiots 0 on this court today. Dave

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Re: [CentOS] hostname changes
by Bob Hoffman 17 Jun '09

17 Jun '09

>How do I change the hostname? >In particular, what is the difference between /etc/hosts and >/etc/sysconfig/network files? > Where should I make the changes? change /etc/sysconfig/netowrk and make the hostname=server.domain.com change localhostnames add the new hostname to the file change etc/hosts xx.xx.xx.xx server.domain.com server restart the computer. You need to do this. Yes, you need to restart/reboot it. then run these commands. (assumes your hostname is mail.example.com) if any of these do not jibe, more to do until you get it right. shell prompt> uname -n mail.example.com shell prompt> hostname -s mail shell prompt> hostname -d example.com shell prompt> hostname -f mail.example.com shell prompt> hostname mail.example.com Lastly, you need to redo your certifercates for your computer since they (your openssh and maybe some others) are set up for the previous domain. In actual practice you may seldom see any issues with this, but the error messages will appear for some users trying to access different things.... Also, if you have stuff like logwatch or other system things going to a local mail make sure spamassassin or procmail rules are updated to deal with the change in localhost.localdomain so they are not junked. Always make sure the normal things you are used to are still happening or being received after you change the hostname....many things can be affected, slightly or more, when doing it. Nothing usually server breaking. This should do you well

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Re: [CentOS] OT - Tomcat CLASSPATH issue
by Glenn 17 Jun '09

17 Jun '09

At 09:58 AM 6/16/2009, you wrote: > > Does this answer your question? > > http://tomcat.apache.org/tomcat-6.0-doc/class-loader-howto.html > > > > > >not really no ...... From the same version of Apache-Tomcat (6.0.18) web.xml config file:     You are setting CLASSPATH as an OS environment variable. Tomcat wants/has it's own and you set it within the engine, or let the engine take care of it for you. Cheers, Glenn

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which programming language for server-side admin tasks
by Rudi Ahlers 17 Jun '09

17 Jun '09

Hi, I would like to spend some time learning a new coding language, but specifically for server side admin stuff, i.e. setting up users / databases / FTP accounts / virtual domains on Apache, etc. I already know PHP, but realize it's not quite suited for this kind of admin, and I suppose I need to look @ PERL / Python / C++ / Ruby? / others? Can someone give me some pointers on this? I basically need to write a control panel, with web access for admins to manage servers, similar to what cPanel / WebMin / Plesk / etc does right now, but something more customized for our needs. -- Kind Regards Rudi Ahlers CEO, SoftDux Hosting Web: http://www.SoftDux.com Office: 087 805 9573 Cell: 082 554 7532

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CentOS-announce Digest, Vol 52, Issue 9
by centos-announce-request＠centos.org 17 Jun '09

17 Jun '09

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit http://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to centos-announce-request(a)centos.org You can reach the person managing the list at centos-announce-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS-announce digest..." Today's Topics: 1. CESA-2009:1108 Moderate CentOS 3 i386 httpd - security update (Tru Huynh) 2. CESA-2009:1108 Moderate CentOS 3 x86_64 httpd - security update (Tru Huynh) ---------------------------------------------------------------------- Message: 1 Date: Wed, 17 Jun 2009 16:02:38 +0200 From: Tru Huynh <tru(a)centos.org> Subject: [CentOS-announce] CESA-2009:1108 Moderate CentOS 3 i386 httpd - security update To: centos-announce(a)centos.org Message-ID: <20090617140238.GB19653(a)sillage.bis.pasteur.fr> Content-Type: text/plain; charset="us-ascii" CentOS Errata and Security Advisory CESA-2009:1108 httpd security update for CentOS 3 i386: https://rhn.redhat.com/errata/RHSA-2009-1108.html The following updated file has been uploaded and is currently syncing to the mirrors: i386: updates/i386/RPMS/httpd-2.0.46-73.ent.centos.i386.rpm updates/i386/RPMS/httpd-devel-2.0.46-73.ent.centos.i386.rpm updates/i386/RPMS/mod_ssl-2.0.46-73.ent.centos.i386.rpm source: updates/SRPMS/httpd-2.0.46-73.ent.centos.src.rpm You may update your CentOS-3 i386 installations by running the command: yum update httpd Tru -- Tru Huynh (mirrors, CentOS-3 i386/x86_64 Package Maintenance) http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xBEFA581B

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CentOS 5.3 - php mycrypt
by Tom Brown 17 Jun '09

17 Jun '09

I need PHP with mycrypt support see http://www.php.net/manual/en/ref.mcrypt.php i wonder - is this available in the PHP that comes with CentOS 5.3 ? thanks

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Xen with multiple virtual network interfaces with one bond
by Coert Waagmeester 17 Jun '09

17 Jun '09

Hello all, I have been running xen for a while now with two interfaces: dummy0 for host only communication, and eth0 for the outside network. my script looks like this: (/etc/xen/scripts/network-bridge-more) ------------------------------------------------------------------ #! /bin/sh dir=$(dirname "$0") "$dir/network-bridge" "$@" vifnum=0 netdev=dummy0 bridge=xenbr0 "$dir/network-bridge" "$@" vifnum=1 netdev=eth0 bridge=xenbr1 ------------------------------------------------------------------ now i have a newer setup where eth0 and eth1 are bonded. If i change eth0 in the above script to bond0 it messes up the bond completely and stops working. I have use /etc/xen/scripts/network-bridge-bonding, and that works, but then I can only have one virtual network for my domU I have tried this: ------------------------------------------------------------------ #! /bin/sh dir=$(dirname "$0") "$dir/network-bridge" "$@" vifnum=0 netdev=dummy0 bridge=xenbr0 "$dir/network-bridge-bonding" "$@" vifnum=1 netdev=bond0 bridge=xenbr1 ------------------------------------------------------------------ but that also does not work. It also messes up my bond. Any tips would be greatly appreciated. Kind regards, Coert

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Re: [CentOS] nvidia dual monitor setup centos howto
by Nicolas Thierry-Mieg 17 Jun '09

17 Jun '09

Sorin Srbu wrote: >> yum install nvidia-x11-drv.x86_64 >> > If I were you I'd look more into dkms and the dkms-nvidia-packages. Those > are more current, than the driver package in nvidia-x11*. > > Or if all else fails, why not get the proprietary Nvidia drivers? just to clear things up: the nvidia drivers available in rpmforge *are* the proprietary nvidia drivers. They're just conveniently packaged in an rpm, and use dkms for auto-rebuilding. And they don't upgrade to the latest version every time nvidia releases one, which can be good or bad depending on your needs. This is true both for nvidia-x11-drv and dkms-nvidia-x11-drv: the latter is simply a newer version with a name change, and it's the one you should use (but anyways if you installed the older package yum upgrade should offer to upgrade to dkms-*). Regards, Nicolas

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lost RHEL entitlements
by Eugene Vilensky 16 Jun '09

16 Jun '09

Hello, I have some servers that have lost their RHEL update entitlements. Thinking through it, I realized we may not really need those entitlements. However, I would still like to automate keeping them up to date for security fixes. So, is there any way to swap out the Yum/up2date RHEL repositories for CentOS without breaking things? Thanks! -Eugene

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authentication loosely tied to active directory?
by Les Mikesell 16 Jun '09

16 Jun '09

What's the best authentication scheme when you are dealing with an active directory that someone else controls? I've been using pam configured for smb and local passwords where a local account is needed for real logins (but either the domain or local password will work) and web services don't require a local account. That's most of the functionality I want and it doesn't take pre-arrangement with the AD administrator, but I have to glue mod_auth_pam into httpd and I'm not sure how to duplicate it for java web services. Is there a way to use an LDAP proxy in a similar way so I can add accounts of my own but also accept anything from one or more AD's? Or some better approach entirely? -- Les Mikesell lesmikesell(a)gmail.com

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