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MAC address generating script
by Eugeneapolinary Ju 23 Oct '09

23 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 23 Oct '09

23 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,

1 0

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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Re: [CentOS] [SOLVED] CentOS-5.4 Update?
by James B. Byrne 23 Oct '09

23 Oct '09

On: Thu, 22 Oct 2009 15:58:01 -0500, Les Mikesell <lesmikesell(a)gmail.com> wrote > > I can't answer your question, but out of curiosity, did you just do a simple yum > update or did you follow the procedure in the release notes document? > Since I was unaware that CentOS-5.4 was released I had no reason to look for such a document. I am a digest subscriber and the release announcement is contained in the very digest that contains your message. Therefore the answer is no. My question is: Given the knowledge I possessed, why would I have gone looking for such a document? Is every yum user expected to look for release notes before each and every time that they run yum update? On the other hand, because of yum's apparent inability to clean up after itself, I had previously adopted the practice of running yum clean all before and after every update, which I did do in this case. There is a fundamental problem with the software if an automated package manager like yum requires both prior external knowledge and manual intervention to effect a particular update. Surely if a yum update set contains package dependencies that are sensitive to installation order then there should be an automated means to insure that the requisite packages are installed in the proper order by the package manager itself and not depend on manual intervention. The current arrangement seems to lend itself to unfortunate results. Sincerely, -- *** E-Mail is NOT a SECURE channel *** James B. Byrne mailto:ByrneJB@Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3

1 0

Bootable 5.4 USB key...
by John Doe 23 Oct '09

23 Oct '09

Hi, I tried to convert my working 5.3 USB bootable key to 5.4 and I apparently cannot get syslinux to find/read its configuration file anymore... I followed the same process as before: mkfs.vfat -n BOOT /dev/sdg1 syslinux -s /dev/sdg1 cd /media/BOOT cp -rv /mnt/cdrom/isolinux syslinux mv syslinux/isolinux.cfg syslinux/syslinux.cfg rm -f syslinux/isolinux.bin vi syslinux/syslinux.cfg dd if=/usr/lib/syslinux/mbr.bin of=/dev/sdg I get: syslinux: cannot find kernel linux I tried to copy syslinux.cfg in /, but it still fails... Did anyone successfuly create a 5.4 key yet? Thx, JD

1 0

Sudo command
by vijay shanker 23 Oct '09

23 Oct '09

Hello guys; I am not able to use sudo command on my just installed centos5.3 But i know i am using right password to root. Is this is by default not enabled; if so, what to do. Regards, Vijay Shanker Dubey Ph: +91-9818311884

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