Discuss October 2009

discuss@lists.centos.org

338 participants
324 discussions

Curious behaviour of openvpn
by Timothy Murphy 25 Oct '09

25 Oct '09

I noticed that when I went over to CentOS-5.4 on my server (and re-booted), my openvpn connections failed for a couple of hours, and then came back. Has anyone noticed this? What puzzled me was that the tun0 interface was present on all machines (according to ifconfig) but the connections seemed to be lost. -- Timothy Murphy e-mail: gayleard /at/ eircom.net tel: +353-86-2336090, +353-1-2842366 s-mail: School of Mathematics, Trinity College, Dublin 2, Ireland

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kvm package difference - v36 via yum, v83 via DVD
by Brian Schueler 25 Oct '09

25 Oct '09

Hi! As far as I can see there is no kvm in the base repository but the older version 36 in CentOS-Extras. Version 83 that belongs to 5.4 is only found on the install DVD and CD-Set. So it's different when installing kvm later with yum which results in kvm-36 than choosing 'Virtualization' on DVD install that installs kvm-83. It's also a difference between installing from network and DVD, even when the same Kickstart file is used when kvm is selected. What is the reason of the base-repo/media difference? cheers, Brian.

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Turning off X-Windows
by ML 24 Oct '09

24 Oct '09

Hi All, How does one best turn of X-Windows? I dont need it, ssh works just fine for me. I seem to recall it was complicated and since I know enough to do my stuf and not well versed yet in fixing things I break, I dont want to blow this up. Best, -ML

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MAC address generating script
by Eugeneapolinary Ju 24 Oct '09

24 Oct '09

ust can't find a script that generates a valid MAC address :S Has anyone has one? thank you

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more 5.4 problems
by Alan McKay 24 Oct '09

24 Oct '09

In addition to frequent Firefox crashes (4 or 5 a day, zero before the upgrade from 5.3) I'm also having Amarok crash 2 or 3 times a day. And suddenly the bar at the bottom disappeared - with the 4 screens, the clock, menu and so on. Hmmmm ... methinks it may finally be time to change my desktop to FC and stick with Centos on my servers. -- “Don't eat anything you've ever seen advertised on TV” - Michael Pollan, author of "In Defense of Food"

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can't "yum install mplayer" : no libmpcdec.so.3 available
by ken 23 Oct '09

23 Oct '09

Just upgraded to 5.4 yesterday morning. (Kudos to those who did that!) That's probably irrelevant to this problem: "yum install mplayer" fails. Here's what happens: ================================================== # yum install mplayer Loaded plugins: fastestmirror, filter-data, kernel-module, keys, kmod, list- : data, merge-conf, security, upgrade-helper, verify, versionlock Loading mirror speeds from cached hostfile * addons: mirrors.serveraxis.net * base: mirror.anl.gov * centosplus: mirror.atlanticmetro.net * contrib: updates.interworx.info * epel: mirrors.dmacc.net * extras: mirrors.serveraxis.net * updates: mirrors.rit.edu Skipping filters plugin, no data Reading version lock configuration Setting up Install Process Resolving Dependencies Skipping filters plugin, no data --> Running transaction check ---> Package mplayer.i386 0:1.0-0.34.rc1try2.fc6 set to be updated --> Processing Dependency: liblirc_client.so.0 for package: mplayer --> Processing Dependency: mplayer-fonts for package: mplayer --> Processing Dependency: libaudio.so.2 for package: mplayer --> Processing Dependency: libmpcdec.so.3 for package: mplayer --> Running transaction check ---> Package mplayer.i386 0:1.0-0.34.rc1try2.fc6 set to be updated --> Processing Dependency: liblirc_client.so.0 for package: mplayer --> Processing Dependency: libmpcdec.so.3 for package: mplayer ---> Package mplayer-fonts.noarch 0:1.1-3.fc set to be updated ---> Package nas.i386 0:1.9.1-2.el5 set to be updated --> Finished Dependency Resolution mplayer-1.0-0.34.rc1try2.fc6.i386 from freshrpms has depsolving problems --> Missing Dependency: liblirc_client.so.0 is needed by package mplayer-1.0-0.34.rc1try2.fc6.i386 (freshrpms) mplayer-1.0-0.34.rc1try2.fc6.i386 from freshrpms has depsolving problems --> Missing Dependency: libmpcdec.so.3 is needed by package mplayer-1.0-0.34.rc1try2.fc6.i386 (freshrpms) Error: Missing Dependency: liblirc_client.so.0 is needed by package mplayer-1.0-0.34.rc1try2.fc6.i386 (freshrpms) Error: Missing Dependency: libmpcdec.so.3 is needed by package mplayer-1.0-0.34.rc1try2.fc6.i386 (freshrpms) You could try using --skip-broken to work around the problem You could try running: package-cleanup --problems package-cleanup --dupes rpm -Va --nofiles --nodigest ================================================== Yep, I did run" # package-cleanup --dupes Setting up yum giflib-4.1.3-7.1.el5.1.i386 giflib-4.1.3-7.1.el5_3.1.i386 # rpm -qa |grep giflib giflib-4.1.3-7.1.el5.1 giflib-4.1.3-7.1.el5_3.1 giflib-devel-4.1.3-7.1.el5_3.1 so erased giflib-4.1.3-7.1.el5.1.i386, but still got the same from yum ================================================== # package-cleanup --problems Setting up yum Reading local RPM database Processing all local requires No problems found ================================================== Maybe removing the above dupes fixed it??? Nope, "yum install mplayer" still flipped me an error. So then tried: ================================================== # yum install --skip-broken mplayer Loaded plugins: fastestmirror, filter-data, kernel-module, keys, kmod, list- : data, merge-conf, security, upgrade-helper, verify, versionlock Loading mirror speeds from cached hostfile * addons: mirrors.serveraxis.net * base: mirror.anl.gov * centosplus: mirror.atlanticmetro.net * contrib: updates.interworx.info * epel: mirrors.dmacc.net * extras: mirrors.serveraxis.net * updates: mirrors.rit.edu Skipping filters plugin, no data Reading version lock configuration Setting up Install Process Resolving Dependencies Skipping filters plugin, no data --> Running transaction check ---> Package mplayer.i386 0:1.0-0.34.rc1try2.fc6 set to be updated --> Processing Dependency: liblirc_client.so.0 for package: mplayer --> Processing Dependency: mplayer-fonts for package: mplayer --> Processing Dependency: libaudio.so.2 for package: mplayer --> Processing Dependency: libmpcdec.so.3 for package: mplayer --> Running transaction check ---> Package mplayer.i386 0:1.0-0.34.rc1try2.fc6 set to be updated --> Processing Dependency: liblirc_client.so.0 for package: mplayer --> Processing Dependency: libmpcdec.so.3 for package: mplayer ---> Package mplayer-fonts.noarch 0:1.1-3.fc set to be updated ---> Package nas.i386 0:1.9.1-2.el5 set to be updated --> Finished Dependency Resolution mplayer-1.0-0.34.rc1try2.fc6.i386 from freshrpms has depsolving problems --> Missing Dependency: liblirc_client.so.0 is needed by package mplayer-1.0-0.34.rc1try2.fc6.i386 (freshrpms) mplayer-1.0-0.34.rc1try2.fc6.i386 from freshrpms has depsolving problems --> Missing Dependency: libmpcdec.so.3 is needed by package mplayer-1.0-0.34.rc1try2.fc6.i386 (freshrpms) Packages skipped because of dependency problems: mplayer-1.0-0.34.rc1try2.fc6.i386 from freshrpms mplayer-fonts-1.1-3.fc.noarch from freshrpms nas-1.9.1-2.el5.i386 from epel ================================================== This looks like it might be the cause: # rpm -ql libmpcdec /usr/lib/libmpcdec.so.5 /usr/lib/libmpcdec.so.5.0.2 /usr/share/doc/libmpcdec-1.2.6 ... <snip> ... i.e., the dependency is already installed, but the installed version is higher than what's requested... or the dependency is misspecified (libmpcdec.so.3)...(?) and/or liblirc/liblirc_client and libaudio aren't available (at least in the repos my yum is set up for. What to do.. what to do?? -- War is a failure of the imagination. --William Blake

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Re: [CentOS] Need some help with logwatch.
by James B. Byrne 23 Oct '09

23 Oct '09

lists-centos wrote: > Do you really have the comment on the line with the command in the > second one? That's not allowed, and will mess things up, see the > crontab(5) man page - second paragraph under "description". > > If you have that comment there it's hard to tell exactly what will > happen in terms of addressing. > > - Rick > Regardless of what the man page says in practice bash treats everything after a # as a comment. Most of my crontab entries on various hosts have comments appended and they all work, for example this one from host3: 45 7 * * * /usr/sbin/logwatch --service http --service imapd --service pop3 --service sshd --service vsftpd --service zz-disk_space --mailto support(a)harte-lyne.ca #Daily Logwatch report on server access services. In any case, removing the comment from the crontab entry on the host in question does not change the behaviour. The logwatch report is still mailed to root(a)host2.harte-lyne.ca Sincerely,

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firefox on 5.4
by John R Pierce 23 Oct '09

23 Oct '09

I just installed 5.3 about a week ago, fairly minimal install, x86_64 platform... then upgraded to 5.4 this AM, and just installed firefox $ sudo yum -y install firefox ..... Installed: firefox.i386 0:3.0.12-1.el5.centos firefox.x86_64 0:3.0.12-1.el5.centos $ firefox Could not find compatible GRE between version 1.9.0.12 and 1.9.0.12. huh?

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IO statistic Centos 5.4
by Sergio Belkin 23 Oct '09

23 Oct '09

Hi, Has kernel-2.6.18-128.1.1 support for IO statistic for example when using "pidstat -d"? Thanks in advance! -- -- Open Kairos http://www.openkairos.com Watch More TV http://sebelk.blogspot.com Sergio Belkin -

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Re: [CentOS] Switch to measure traffic at IP level?
by Antonio da Silva Martins Junior 23 Oct '09

23 Oct '09

----- "Les Mikesell" <lesmikesell(a)gmail.com> escreveu: > Neil Aggarwal wrote: > > Matt: > > > >> why not just use your current cacti setup and > >> enable snmp on each of the hosts? That seems like > >> the simplest and cheapest approach. > > > > As I understand it, I would actually have to > > enable snmp on each of the guests, not the hosts. > > > > Am I wrong? > > > > Yes - the host would see the total traffic. The only other way to > separate it would be something upstream (switch/router, etc.) that knows how to do > sflow plus a collector device. These are typically pretty expensive. For > some small number of guests it might be cheaper to add NICs to your hosts and > bridge the guests to individual NICs where you could monitor on either the host > interface or the connected switch port. You might be able to simulate this with > some clever use of vlans but I'm not sure how they interact with the > virtual nic bridges. Hum... I haven't tried it myself but maybe it is possible to try on the virtual NICs. The only drawback is that the need to create a way to link the data from the vifs to the corret guest :) Antonio. -- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Antonio S. Martins Jr. - Support Analist | "Only The Shadow Knows | | Universidade Estadual de Maringá - Brasil| what evil lurks in the | | NPD - Núcleo de Processamento de Dados | Heart of Men!" | | E-Mail: asmartins(a)uem.br / shadow(a)uem.br | !!! Linux User: 52392 !!! | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ "Real Programmers don’t need comments — the code is obvious." -- Esta mensagem foi verificada pelo sistema de antivírus e acredita-se estar livre de perigo.

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Discuss October 2009