Discuss June 2010

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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

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Lingering dhclient issue
by Alfred von Campe 22 Jun '11

22 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

CentOS MD RAID 1 on Openfiler iSCSI
by Emmanuel Noobadmin 01 Mar '11

01 Mar '11

Has anybody tried or knows if it is possible to create a MD RAID1 device using networked iSCSI devices like those created using OpenFiler? The idea I'm thinking of here is to use two OpenFiler servers with physical drives in RAID 1, to create iSCSI virtual devices and run CentOS guest VMs off the MD RAID 1 device. Since theoretically, this setup would survive both a single physical drive failure as well as a machine failure on the storage side with a much shorter failover time than say using heartbeat. Or is this yet another stupid idea again from me? :D

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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.

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gdm_slave_xioerror_handler problem
by sync 07 Jan '11

07 Jan '11

Hi , guys: Today , I work on my laptop which uses the CentOS x86_64 operating system , Suddenly the X-windows restarts when left at the login screen for more than a few seconds. The error in my syslog is: Apr 12 15:26:45 localhost gdm[2892]: gdm_slave_xioerror_handler: Fatal X error - Restarting :0 This message came up serval times previously ~ Any other help would be nice. Thanks in advance ~

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good centos/rhel source for latest spamassassin?
by Eero Volotinen 11 Aug '10

11 Aug '10

Is there any good rpm source for latest spamassassin for centos/rhel ? Currently using from dag's, but is is a bit old version nowdays. -- Eero

7 9

compilers a security risk?
by Dave Stevens 21 Jul '10

21 Jul '10

I manage a web hosting server that we've recently upgraded, in part so we could accommodate a domain that will enable community mapping. In a recent exchange of mails one developer said: "I could build the package directly on the server machine you have, provided that the potential security risk posed by having compilers installed is not an issue." and another said: "What sort of security risk is there in having compilers installed on a working server? "Obviously we can remove the compilers, however when Mapserver or postgis get updated, we will need to build new packages somewhere. One option: create a second VM for mapchat. We'll put the build environment on it, and only turn it on to make new packages." I don't have enough experience to assess the security issues. Does anyone have an opinion on this? It would be simple and feasible to allocate another domain as suggested above. Dave -- "It is no measure of health to be well adjusted to a profoundly sick society." Krishnamurti

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xulrunner-devel dependencies
by Bowie Bailey 07 Jul '10

07 Jul '10

What's the deal with all of the new dependencies for xulrunner-devel in the last update? I'm updating my servers and the update for xulrunner-devel is forcing me to install 43 new packages! Is this a packaging problem, or are all of those packages really needed? For the moment, I've been removing xulrunner-devel from my machines to avoid the problem. I figure since it is a development package, I can always reinstall it later if I need it. Bowie

4 7

security compliance vs. old software versions
by Les Mikesell 07 Jul '10

07 Jul '10

What's the correct response to a security scan that points out that apache versions below 2.2.14 have multiple known vulnerabilities? Is there an official document about what known vulnerabilities have been fixed in the RHEL/CentOS updates or do you have to wade through the changelog to try to find each thing? -- Les Mikesell lesmikesell(a)gmail.com

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prelink
by Frank Cox 05 Jul '10

05 Jul '10

The above discussion of prelink gave me pause for thought... I have a "suite" of programs that I install in their own directory, along with their datafiles, under /opt. Would it be a good idea to add that directory to /etc/prelink.conf? What could go wrong? -- MELVILLE THEATRE ~ Melville Sask ~ http://www.melvilletheatre.com

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Discuss June 2010