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clock, centos 4 and dual core?
by Ugo Bellavance 17 Feb '06

17 Feb '06

Hi, I have a dual core athlon server and it is gaining 1 day every 2 days w/o time sync. Even with ntpd running, the time is not under control. I must put a very frequent cronjob of 'ntpdate' to keep the time under control. This creates big problems since winbind eventually stops working so my users can't access their data. Any ideas? -- Ugo -> Please don't send a copy of your reply by e-mail. I read the list. -> Please avoid top-posting, long signatures and HTML, and cut the irrelevant parts in your replies.

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Re: [CentOS] After install centos does not find hardrives (SATA)
by Nathan 17 Feb '06

17 Feb '06

actually its dosnt even make it to Grub, its the EMI menu on Intel servers... so I guess it cannot even find a proper boot device.. ill have to do more research on the issue. if you have any ideas why that would also be great help. thanks alot, Quoting Aleksandar Milivojevic <alex(a)milivojevic.org>: > Quoting Nathan <lists(a)netdigix.com>: > > > no its the prompt centos goes to when it cannot find anything to boot to. > > So it's the grub prompt most likely. If it is, then your boot > partition is either too large and part of it falls outside of BIOS > addressable disk space (first 1024 cylinders), or is not positioned > inside BIOS addressable disk space (basically, same thing). Grub can > access disk drives only using BIOS calls. It needs to be able to > access files in /boot/grub directory, as well as kernel and initrd > images in /boot directory. All those files *must* be in BIOS > addressable range, or booting will fail. Fdisk will issue a warning > describing this for disks with more than 1024 cylinders. > Unfortunately, you won't get such warning during graphical install. > Grub isn't really verbose about this either (it just drops to CLI, > without telling user where the problem is). > > You can easily check if what I just described is the problem you are > having. Boot from CD into rescue mode. Invoke fdisk and print out > partition table. The start and end cylinder of partition that holds > /boot directory must be bellow 1024. If they are not, you are in > trouble. > > If this is the problem you are having, the easiest way is to reinstall > with above limitations in mind. Common way of dealing with this BIOS > limitation is to create separate partition for /boot, and to make sure > entire partition used for /boot is inside first 1024 cylinders. For > example, by making /boot be first partition on the disk, and having it > relatively small (100MB is more than enough for this partition). This > is limitation of the BIOS, nothing to do with CentOS (any other > operating system). > > > ---------------------------------------------------------------- > This message was sent using IMP, the Internet Messaging Program. > > > _______________________________________________ > CentOS mailing list > CentOS(a)centos.org > http://lists.centos.org/mailman/listinfo/centos > Thanks - Nathan - http://www.netdigix.com

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Re: [CentOS] CentOS FAQ (was ssh attack)
by Will McDonald 17 Feb '06

17 Feb '06

On 16/02/06, Craig White <craigwhite(a)azapple.com> wrote: > On Thu, 2006-02-16 at 15:18 -0500, John Hinton wrote: > > As someone did suggest though, a FAQ on SSH would be a > > good idea. > ---- > I think it's a great idea - go ahead and do it...why wait for others? I suggested it, and not just for common SSH on CentOS questions but for anything that's, well, frequently asked on the list and at least vaguely CentOS related. Would a WiKi (I'd vote MediaWiki but only because I already know the markup and have a bunch of stuff I could drop in :)) similar to the MailScanner one be a good idea? Will.

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CentOS-announce Digest, Vol 12, Issue 9
by centos-announce-request＠centos.org 17 Feb '06

17 Feb '06

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. CEEA:2006:0216-001 CentOS 4 i386 centos-yumconf Enhancement - update (Johnny Hughes) 2. CEEA:2006:0216-001 CentOS 4 x86_64 centos-yumconf Enhancement - update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Thu, 16 Feb 2006 20:44:22 -0600 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEEA:2006:0216-001 CentOS 4 i386 centos-yumconf Enhancement - update To: CentOS-Announce <centos-announce(a)centos.org> Message-ID: <1140144262.3824.15.camel(a)myth.home.local> Content-Type: text/plain; charset="us-ascii" CEEA:2006:0216-001 CentOS 4 i386 centos-yumconf Enhancement - update Due to a request made on the CentOS mailing list, we modified the update system to listen on both port 80 and 81 for mirrorlist.centos.org and serve mirrorlists for updates. The default CentOS-Base.repo file in centos-yumconf has now been modified to connect via port 80 instead of port 81 to retrieve mirrorlists. The following files are updated and syncing to the mirrors: i386: centos-yumconf-4-4.5.noarch.rpm src: centos-yumconf-4-4.5.src.rpm

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Problems with Windows USB shared printers
by Marcelo Renan Becher 17 Feb '06

17 Feb '06

Hello all, I have a problem.. I need help.. I have some CUPS/Samba servers, that send print jobs to Windows shared printers.. If the windows printer use paralel port, linux send the job, and this work fine.. but if the printer is USB, this don't works! If the same printer have USB and parallel port, parallel works, but USB not.. What I can do to my linux boxes print in windows usb shared printers? thanks, -- Marcelo Renan Becher Linux User: #296657 http://marcelo.bunghole.com.br

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test ping
by Robert Hanson 17 Feb '06

17 Feb '06

test ping - rh -- Robert Hanson - Abba Communications Computer & Internet Services (509) 624-7159 - www.abbacomm.net

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Did anybody see (s)RPM for Xgl?
by Petr QAXI Klíma 17 Feb '06

17 Feb '06

Hi Did anybody see (s)RPM for Xgl? i would be a nice for my CentOS 4 workstation ... -- Petr Klíma e-mail: qaxi(a)seznam.cz

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centos-yumconf-4-4.4.noarch.rpm
by Johnny Hughes 17 Feb '06

17 Feb '06

If you block port 81 outbound, centos-yumconf-4-4.4.noarch.rpm will cause your yum to stop working for CentOS-4. We were serving mirrorlists on port 81 for our new update system, but since this caused some users problems, we are now serving mirrorlists on both port 80 and 81. centos-yumconf-4-4.5.noarch.rpm has released to change the default configuration to port 80 for mirrorlist retrieval. If your yum is not working you can get centos-yumconf-4-4.5.noarch.rpm here: http://mirror.centos.org/centos/4/updates/i386/RPMS/centos-yumconf-4-4.5.no… This is a noarch RPM and should work on any centos-4 version. You can install it after download with this command: rpm -Uvh centos-yumconf-4-4.5.noarch.rpm

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READ! [CentOS] mirrorlist.centos.org port 81? (Yumconf changes)
by Maciej Żenczykowski 17 Feb '06

17 Feb '06

> Why not - they are the same old mirrors - all that happens is that yum > gets a lost of local up to date mirrors for the release/repo/arch from the > mirrorlist server on port 81 - chosen solely so that we can run it on the > same server > as normal apache on port 80. > > If you have fastestmirror plugin enabld yum will then test the mirrors and > use the fastest local connection. > > The version of yumex that we have at dev.centos.org alsouses the same > mirrorlist system. Note that using a non-standard port (81) here is an error - many restrictive firewalls (or proxies) won't allow such a connection - for example at my Mom's work (were I'm now) and my Dad's. Even though it's an outgoing connection. Setup apache virtual hosting, add a new dns name, and use apache's proxy module to proxy mirrorlister:80 to localhost:81 otherwise this will break for a lot of people. Cheers, MaZe.

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slightly OT: high availability remote managerment tools
by lists 17 Feb '06

17 Feb '06

This is completely OFF TOPIC from centos and slightly vague, so please reply to me direct. I just want to pick everyone's brains here for their experience with high availability remote management (servers, networks, etc). Can anyone recommend any good high availability remote managerment tools. I mean something more than ssh, nagios, etc. Anything from appliances to monitoring, remote access, be it software or hardware. Thanks in advance. Dustin

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