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the future of CentOS
by Alain Reguera 06 Mar '06

06 Mar '06

Hello, I've been reading the CentOS's FAQs, and saw this: How long will CentOS-4 updates be supported? We intend to support CentOS-4 updates until Feb 29, 2012. Would someone tell me what will happen after that?

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Misc. hints from setting up CentOS 4.2
by Bart Schaefer 06 Mar '06

06 Mar '06

I suppose this could be considered off-topic, but having finally finished setting up my new workstation I thought I'd brain-dump some things that I had to work out how to do. I had a devil of a time googling for some of this stuff, and found lots of forum threads etc. where some of the same questions I had went essentially un-answered, so I wanted to put these tidbits out in a place where they'd be archived and searchable. In no particular order ... I never did get my second onboard NIC working. The ASUS P5N32-SLI Deluxe motherboard is otherwise working fine, but the Linux drivers aren't able to differentiate the two identical nVidia NICs; I can only use one or the other. Hopefully that'll change soon, but I'm not holding my breath. Networking was broken briefly when I copied "LOCAL: ALL" (among other things) from my old workstation's configuration into /etc/hosts.allow, and "ALL: ALL" into /etc/hosts.deny, because "LOCAL" does not match "localhost.localdomain" which is the first name for 127.0.0.1 in /etc/hosts. Sendmail refused connections from the local machine (e.g., from fetchmail) until I realized what was going on. Be sure to list localhost.localdomain explicitly in hosts.allow. I wanted to start some ssh tunnels automatically when I log in. I tried putting the ssh commands directly into the Gnome "Startup Programs" (via Applications -> Preferences -> More Preferences -> Sessions) but that had the effect of causing logins to hang for 2+ minutes after putting up the splash screen. Eventually (see next item) I guessed that the session manager was waiting for the application to open a window, which of course ssh never will. The fix is to use an iconified terminal window as the "Startup Programs" entry, so that the session manager sees a window appear and knows that the application has started, and run ssh in the background from that terminal. E.g. xterm -iconic +hold -e ssh -N -f ... The icon appears briefly, then vanishes when ssh has backgrounded itself. If you need to typa a password and gnome-askpass fails to put up a dialog, omit the -iconic option. Also, it's important that the priority of this startup item be set to a larger number than that of metacity and gnome-panel; I chose "45". Speaking of the session manager ... I have some applications that run as root that need to open windows on the X server. This was failing with: Xlib: connection to ":0.0" refused by server Xlib: No protocol specified On my old workstation I'd fixed this by linking root's .Xauthority file to the one in the logged-in user's home directory, but that didn't work on CentOS 4 because something (I still haven't figured out what) sets XAUTHORITY in root's environment to point to a randomly-generated file name, even if "su --preserve-environment" is used. The fix for this (which no one got right on any of some dozens of mailing lists/newsgroups where Google turns up references to this error) is for root to run: xauth merge /home/otheruser/.Xauthority However, even though the application can now open its window, it still issues a complaint: Warning: Tried to connect to session manager, Authentication Rejected, reason : None of the authentication protocols specified are supported and host-based authentication failed To eliminate that message, root must also run: iceauth merge /home/otheruser/.ICEauthority Note that this must happen after the session manager has started up. I built and installed an RPM for an older calendar application (ical) which showed up in the Applications menu in three separate and inappropriate places. Turns out that it had placed its ical.desktop file in /etc/X11/applnk/ instead of /usr/share/applications/. That's about it; I had some other things I was going to mention, but on writing them down I decided they were too specific to my personal environment to be worth mentioning. There are still a few things I have questions about, but I'll leave those until I either get them solved or run out of other places to inquire.

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pci-e Raid
by William Warren 06 Mar '06

06 Mar '06

Anyone know of any PCI-e hardware RAID adapters? -- My "Foundation" verse: 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. -- carpe ductum -- "Grab the tape" CDTT (Certified Duct Tape Technician) Linux user #322099 Machines: 206822 256638 276825 http://counter.li.org/

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centos roadmap?
by Geert Batsleer 06 Mar '06

06 Mar '06

Hi, I was looking for the roadmap for Centos 4.x. Is the release schedule somewhere on centos.org end if not, when can we expect the release of Centos 4.3? Somebody on irc in #centos told me it's a matter of weeks but it would be nice to get a more official confirmatiion so I can plan the rollout of Centos in my serverpark. regards, Geert

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tg3 gigabit speed
by Jure Pečar 05 Mar '06

05 Mar '06

Hi all, I have two HP DL145 G1 machines, running centos4 (2.6.9-22.0.2.ELsmp). Nics are recognized as: eth0: Tigon3 [partno(BCM95704) rev 2002 PHY(5704)] (PCIX:100MHz:64-bit) 10/100/1000BaseT Ethernet 00:00:1a:19:f1:05 eth0: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[0] Split[0] WireSpeed[1] TSOcap [1] eth1: Tigon3 [partno(BCM95704) rev 2002 PHY(5704)] (PCIX:100MHz:64-bit) 10/100/1000BaseT Ethernet 00:00:1a:19:f1:04 eth1: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[0] Split[0] WireSpeed[1] TSOcap [1] Both machines are wired in the same way: eth0 is connected do 100mbit switch, eth1 to a gigabit switch. But: # mii-tool eth0: negotiated 100baseTx-FD, link ok eth1: negotiated 100baseTx-FD flow-control, link ok If I force eth1 to 1000 with ethtool, I get no link and then it autonegotiates itself back to 100. I can't even get them to talk at gigabit speed if I connect both machines together with crossover cable! Am I doing something wrong or is this a hardware problem? -- Jure Pečar http://jure.pecar.org/

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Color Laser Printer, comments!
by John Pierce 04 Mar '06

04 Mar '06

I am considering purchasing a color laser printer for my network and would appreciate some feedback. I have looked at the following: Konica/Minolta 2430DL HP 2600N Can anyone tell me how well they work and are supported by cups as a network laser printing solution? TIA John -- Registered Linux User 263680, get counted at http://counter.li.org -- Registered Linux User 263680, get counted at http://counter.li.org

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RE: [CentOS] CentOS 4.2: kernel version
by Castello, Jean-pierre (TS/Linux-HPC) 04 Mar '06

04 Mar '06

Thanks. You are right after investigation kernel patch was applied I did not know. Thanks for your prompt reply. Jean-Pierre Castello -----Original Message----- From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On Behalf Of Karanbir Singh Sent: samedi 4 mars 2006 13:39 To: CentOS mailing list Subject: Re: [CentOS] CentOS 4.2: kernel version Castello, Jean-pierre (TS/Linux-HPC) wrote: > Hello > > Installing sw on a CentOS 4.2 (iso version) I notice that the kernel > version is > 2.6.9-22.0.1.Elsmp > in RH4 UP2 the kernel version is 2.6.9-22.Elsmp > > Some sw complain and check the kernel version. > > Why this specific version extension 0.1 ? > Thanks for your help > > Sorry if this question was already asked. > the install kernel on centos-4.2 is 2.6.9-22.EL the 22.0.1.EL and 22.0.2.EL are updated issued since the 4.2 was released - but the installer still uses -22.EL. so i can quite safely assure you that its not a CentOS iso you are using there.... - KB -- Karanbir Singh : http://www.karan.org/ : 2522219@icq _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos

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How Undo Yum Upgrade
by John Thomas 04 Mar '06

04 Mar '06

I accidentally enabled a repo, so my automatic yum upgrade installed a bunch of stuff and possibly broke yum. Is it possible to reverse this? Follow is the yum log of what got installed. Mar 04 01:34:04 Updated: libselinux.i386 1.23.10-1.99_3.el4.at Mar 04 01:34:04 Updated: popt.i386 1.10.2-15.1_58.el4.at Mar 04 01:34:04 Installed: libbeecrypt6.i386 4.1.2-9.2_11.el4.at Mar 04 01:34:04 Installed: libxml2_2.i386 2.6.22-1_21.el4.at Mar 04 01:34:04 Installed: librpm4.3.i386 4.3.3-8_41.el4.at Mar 04 01:34:04 Updated: neon.i386 0.24.7-5.99_2.el4.at Mar 04 01:34:05 Installed: librpm4.4.i386 4.4.2-15.1_58.el4.at Mar 04 01:34:05 Updated: rpm.i386 4.4.2-15.1_58.el4.at Mar 04 01:34:08 Installed: python24.i386 2.4.1-2_8.el4.at Mar 04 01:34:08 Updated: libxml2.i386 2.6.22-1_21.el4.at Mar 04 01:34:08 Installed: pythonabi.i386 2.3.4-1.el4.at Mar 04 01:34:09 Updated: libxml2-python.i386 2.6.22-1_21.el4.at Mar 04 01:34:09 Updated: rpm-python.i386 4.4.2-15.1_58.el4.at Mar 04 01:34:09 Installed: libxml2-python24.i386 2.6.22-1_22.el4.at Mar 04 01:34:10 Installed: rpm-python24.i386 4.4.2-11_9.el4.at Mar 04 01:34:11 Installed: neon-devel.i386 0.24.7-5.99_2.el4.at Mar 04 01:34:11 Updated: libselinux-devel.i386 1.23.10-1.99_3.el4.at Mar 04 01:34:11 Installed: atrpms.noarch 67-1.at Mar 04 01:34:12 Updated: perl-XML-LibXML.i386 1.58-4.el4.at Mar 04 01:34:12 Installed: sqlite-devel.i386 3.2.2-1 Mar 04 01:34:13 Updated: yum.i386 2.4.2-69.el4.at Mar 04 01:34:13 Updated: rpm-build.i386 4.4.2-15.1_58.el4.at Mar 04 01:34:15 Updated: libxml2-devel.i386 2.6.22-1_21.el4.at Mar 04 01:34:15 Updated: rpm-devel.i386 4.4.2-15.1_58.el4.at Mar 04 01:34:15 Erased: rpm-libs

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CentOS 4.2: kernel version
by Castello, Jean-pierre (TS/Linux-HPC) 04 Mar '06

04 Mar '06

Hello Installing sw on a CentOS 4.2 (iso version) I notice that the kernel version is 2.6.9-22.0.1.Elsmp in RH4 UP2 the kernel version is 2.6.9-22.Elsmp Some sw complain and check the kernel version. Why this specific version extension 0.1 ? Thanks for your help Sorry if this question was already asked. Jean-Pierre Castello

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ntop **ERROR** Queue of address '???' failed, code -1 [addr queue=4096/max=4097]
by J.J.Garcia 04 Mar '06

04 Mar '06

Hi all, Running CentOS 4.2 with the following conditions: [root@gatekeeper bin]# uname -srvmpi Linux 2.6.9-22.0.1.EL #1 Thu Oct 27 12:26:11 CDT 2005 i686 i686 i386 [root@gatekeeper bin]# uptime 07:54:41 up 31 days, 13:45, 6 users, load average: 0.00, 0.02, 0.00 [root@gatekeeper bin]# rpm -q ntop ntop-3.1-1.2.el4.rf [root@gatekeeper bin]# df -h S.ficheros Tamaño Usado Disp Uso% Montado en /dev/mapper/VolGroup00-LogVol00 2,9G 2,4G 425M 85% / /dev/hda1 99M 16M 79M 17% /boot none 157M 0 157M 0% /dev/shm [root@gatekeeper bin]# free total used free shared buffers cached Mem: 321044 312068 8976 0 44984 98648 -/+ buffers/cache: 168436 152608 Swap: 655352 480 654872 [root@gatekeeper bin]# vmstat procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa 0 0 480 8976 44992 98676 0 0 3 4 8 5 6 2 90 1 I've found the following error in syslog: ============================================================================ Mar 3 21:54:07 gatekeeper ntop[4711]: **ERROR** Queue of address '???' failed, code -1 [addr queue=4096/max=4097] Mar 3 21:54:07 gatekeeper ntop[4711]: ntop processing continues, address will not be resolved ============================================================================ TIA Jose.

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