Discuss March 2009

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Centos v3.3 CD 2
by Luis-Miguel Astudillo 15 Nov '11

15 Nov '11

Sorry, I have been away for a while. has anyone fixed CD2 fotr CentOS v3.3 ? -- Luis

6 7

Lingering dhclient issue
by Alfred von Campe 23 Jun '11

23 Jun '11

I recently reconfigured some CentOS 4.3 systems that were using DHCP to use static IP addresses. At the same time, the systems were moved to a new VLAN. Here is the approximate sequence of events that took place: 1. ifdown eth0 2. edit /etc/sysconfig/network-scripts/ifcfg-eth0 with static IP address 3. wait for network folks to reconfigure switch 4. ifup eth0 I may have reversed steps 1 and 2 on some of the systems. The problem was that the dhclient process didn't go away, and kept renewing the old lease. Our DHCP server is configured to contact the DNS server and update the entry for each host it serves. So the DNS entries for these systems were pointing to the old address in the old VLAN. The eth0 interface itself just kept the static IP address for which it was configured. It took me a while to figure out what was going on. My question is, what could I have done to avoid this (other than killing the dhclient process)? Is there a better way to reconfigure an interface to use a static address? I am not interested in solutions that involve using a GUI (i.e., only command line solutions). Thanks, Alfred

9 17

what pkg contains libstdc++-libc6.2-2.so.3
by Fong Vang 02 Feb '11

02 Feb '11

In CentOS 4.1/2, what package contains this library: libstdc++-libc6.2-2.so.3? I installed a couple of the compat- packages, but this library is still missing.

8 8

mod_mono on centos5?
by Dave 07 Sep '09

07 Sep '09

Hello, Does anyone have mod_mono rpm or srpm compiled for centos5? Thanks. Dave.

4 4

Dell Poweredge R300
by Nicholas 07 Jun '09

07 Jun '09

Hi all, Just found out that the Poweredge R300 cant even load the CentOS 5.2 64bit installer. Had to revert to Ubuntu. Seems its a driver problem. Pity, but does this kind of case apply to many other servers? --- OSCC MAMPU MyMeeting Version 2.0 Release http://knowledge.oscc.org.my/solution-areas/application/mymeeting

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Upgrade mail server to new machine
by Thom Paine 11 May '09

11 May '09

I have an old RHEL3 box that I am upgrading to CentOS5. I picked up a new Dell Poweredge R200 to use for that. Is there an easy way to copy all the user accounts and existing mail from the old server to the new one? Thanks. -- -=/>Thom

6 7

Antivirus for CentOS? (yuck!)
by Amos Shapira 26 Apr '09

26 Apr '09

Hi All, Yes, I know, it's really really embarrassing to have to ask but I'm being pushed to the wall with PCI DSS Compliance procedure (http://en.wikipedia.org/wiki/PCI_DSS) and have to either justify why we don't need to install an anti-virus or find an anti-virus to run on our CentOS 5 servers. Whatever I do - it needs to be convincing enough to make the PCI compliance guy tick the box. So: 1. Has anyone here gone though such a procedure and got good arguments against the need for anti-virus? 2. Alternatively - what linux anti-virus (oh, the shame of typing this word combination :() do you use which doesn't affect our systems performance too much. The reviewed servers run both Internet-facing web applications and internal systems, mostly using proprietary protocol for internal communications. They are being administrated remotely via IPSec VPN (and possibly in the future also OpenVPN). Thanks, --Amos

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Acrobat Reader 9 on Centos 4.7
by tblader 17 Apr '09

17 Apr '09

Hello, Anyone know how to get Acrobat 9 running* on Centos 4.7? Looks like a libc conflict: /Adobe/Reader9/Reader/intellinux/bin/acroread: error while loading shared \ libraries: /apps/Adobe/Reader9_libs/libstdc++.so.6: requires glibc 2.5 or later dynamic linker Thanks Thomas [*] - http://www.us-cert.gov/cas/techalerts/TA09-051A.html -- Flambeau Inc. Technology Center - Baraboo, WI Email : tblader(a)flambeau.com Keyserver: http://pgp.mit.edu KeyID: 0x00E9EC2C

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X session lockup (CentOS 4.7)
by Bart Schaefer 05 Apr '09

05 Apr '09

I just had a very odd incident with my session locking up, so I thought I'd describe it to see if it rings any bells with anyone. Background: I shut down my machine last night for Earth Hour, so the last thing I did before logging out was exit Firefox3, telling it to save my open tab state. When I turned the system back on and started FF3 again, it installed new versions of three plugins (I believe NoScript and Elasticfox but I don't recall the third) and then restored the session as expected. Not related to FF, but I also started up the "filelight" filesystem visualization app, which I don't normally have running, and it was still up on a different desktop while all the following was happening. This morning I opened a new FF3 window to browse CNN. I opened tabs on five or six stories from the front page and then went to read through them, closing each tab as I finished each story. (There were six other tabs open in the first FF window, so no more than 12-14 tabs in two windows total.) After closing the second such tab FF began responding very slowly, even to simply scrolling the window, and eventually stopped responding entirely (wouldn't even redraw when I dragged windows around). I popped up an xterm and ran "strace" on FF to see if I could find the problem, and lo and behold as long as strace was running FF recovered and responded fine, but when I stopped tracing it froze again. Unfortunately I lost the trace output because of what happened next, but I do recall that it was accessing /etc/localtime repeatedly and very frequently. I left strace running and went back to FF, hoping to see the tail of the trace at the moment FF locked up again. However, the next time FF appeared to be frozen I found that not just FF but the entire Gnome session was stuck. I was able to move the mouse and to Alt-F2 into a text console window, but nothing else responded. I went back and forth a few times between the text console and the X console attempting to diagnose (including killing the strace and sending a CONT signal to FF, because "ps" said FF was in stopped ("T") state), but after a few passes at that even Alt-F2 stopped working. Fortunately I have another computer here, so I ssh'd in and ran "killall -1 firefox-bin". This woke things up to the point that one of the pending Alt-F2 keystrokes was seen and the text console came up, but although I could then switch consoles again, nothing else in the X session was responding. I finally HUP'd gnome-session (which stopped everything else; I checked "ps" to make sure nothing that had been associated with that session was still running) and I have now logged in again and everything seems fine. FF restarted and restored the session from the time I killed it, and an strace of it now doesn't show any accesses to /etc/localtime at all. I find this all especially strange because the whole system had been restarted less than 12 hours before.

1 1

Memory vs. Display Card
by Rick 03 Apr '09

03 Apr '09

Since memory has become quite cheap lately I decided to move from 2 GB to 6. When I installed the memory every thing was fine until I went to run level 5. At that point the screen turned to garbage and the system froze. Is there a way to fix this so I can use the memory I bought? Do I need a new display card? Current hardware: Intel D975XBX2 Motherboard VGA compatible controller: ATI Technologies Inc RV505 [Radeon X1550 64-bit] -- http://www.spinics.net/lists/

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Discuss March 2009