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34758 discussions

23 Apr '07

Hi all, CentOS noob trying v5 for the first time -- What's the best way to get firewire modules onboard? Build a custom kernel? I'm not seeing any cent5 compatible module-rpms for this. Any general pointing in the right direction would be appreciated. Thanks

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version GLIBC_2.0 not defined in file libpthread.so.0
by Bisbal, Prentice 23 Apr '07

23 Apr '07

I just installed EMC PowerPath 5.0.0 and Navisphere Agent and CLI on a CentOS 4.4/x86_64 system. When I try to start naviagent, I get the error below. Before upgrading to CentOS4.4, this same system had RHEL3 ES for x86_64 on it, and the same problem was encountered. I spent weeks going back and forth with EMC tech support, but the problem was never resolved. I'm hoping someone here on this list can shed more light on the cause and solution. PowerPath appears to be working just fine. /opt/Navisphere/bin/naviagent: relocation error: /opt/Navisphere/bin/naviagent: symbol __pthread_atfork, version GLIBC_2.0 not defined in file libpthread.so.0 with link time reference -- Prentice The contents of this communication, including any attachments, may be confidential, privileged or otherwise protected from disclosure. They are intended solely for the use of the individual or entity to whom they are addressed. If you are not the intended recipient, please do not read, copy, use or disclose the contents of this communication. Please notify the sender immediately and delete the communication in its entirety.

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CentOS 5 cronjobs
by CentOS List 23 Apr '07

23 Apr '07

Hi, How do i check and see errors for cron.daily? My logrotate and logwatch is not running at the specific time daily. Thanks

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centso 5 modifying my ifcfg-eth[x] files
by Jerry Geis 23 Apr '07

23 Apr '07

On Fri, 2007-04-20 at 10:21 -0500, Les Mikesell wrote: >/ Ralph Angenendt wrote: />/ > Jerry Geis wrote: />/ >> Only thing to add here is the network card does work, however I />/ >> get a dmesg output that eth1 has an invalid MAC address. />/ > />/ > Asus mainboard? />/ > />/ >> Is that invalid MAC address changing my setup? I dont think it should. />/ >> granted I'm still looking at finding a way to reset he MAC address or />/ >> something but I dont think the ifcfg-eth files should be modified. />/ > />/ > The random address is different from the one which is in ifcfg-eth* from />/ > installation. />/ > />/ >> This seems like a bug- that is the reason for the post. />/ > />/ > Yes. Googling around hints at this being a BIOS bug. Also see />/ > <http://bugs.centos.org/view.php?id=1949>. />/ />/ Can you fix this by removing the: />/ HWADDR= />/ line from the ifcfg-eth* files? Most of my machines have swappable />/ drive carriers and I routinely swap them and clone machines by dd'ing />/ the raw disks. If I remove the HWADDR entry I can assign the IP />/ addresses when building the disks and have it come up correctly when the />/ disk is installed in some remote machine. I suppose someday this will />/ break when I'm not looking, but it has saved me a lot of trouble over />/ the last several years. Now if the kernels would just be consistent />/ about the order they probe the devices and assign the eth* names.... / I actually tried setting the HWADDR= to another NIC's value, did not matter file still replaced with a DHCP type file. I tried removing the HWADDR and file was still replaced with a DHCP type file. Strange thing is I have 2 identical motherboards M2N-MX ASUS, two identical network cards. the other machine appears to running fine... Its just this one machine that gives the bad MAC message in dmesg and will not keep its IP address. Very odd, Jerry

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Web conferencing
by Gerald Braun 23 Apr '07

23 Apr '07

Could anyone recommend a package, preferably available via yum, to host web conferencing / collaboration? I am interested in being able to share an XP desktop with up to 5 other users. Any remote control capabilities would be a plus. Am currently running a Centos 4.4 server. Thanks, GB

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why centos 5 can not be installed in graphic mode on my pc
by Saturn 23 Apr '07

23 Apr '07

hello all! I can not install centos 5 in graphic mode on my pc ,my VGA card is XFX6800XT,when installtion started ,it tell me that my VGA card is 6600GT,it detected wrong! And then installtion can not be run with normal display. so I install in text mode ,after installtion , I can't start Xwindow! I only could work with console. I tried to install "NVdriver 9775",an error occured ,an installtion terminated,I don't konw how to ....? It took me a long time to download centos 5,it is really "fun"! anyone help me ? thanks

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Thanks
by Harris, Frederick 23 Apr '07

23 Apr '07

Hi Everyone I am a recent CS grad working at a netops center starting to explore Linux for server admin. Fred Harris HM1(USN)RET VA Network Security and Operations Center 882 TJ Jackson Dr. Falling Waters, WV 25419 frederick.harris3(a)va.gov Phone:304-262-7187 Fax: 304-262-7193

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ASINGALEMBI has Tagged you! :)
by ASINGALEMBI MBEMA 23 Apr '07

23 Apr '07

1 0

Centos5: RAID1 on root/boot? [+lilo mkinitrd issues]
by Pekka Savola 23 Apr '07

23 Apr '07

Hi, I did a command-line upgrade of a RHL73 server to Centos 5. It was a bit rocky road, but in the end it was successful. There's one thing that bugged me. I'm using software RAID1 consisting of /dev/hd{a,c}. No LVM or anything fancy, a number of /dev/mdX partitions, including the root (+/boot). I'd have preferred to continue using lilo as it works more easily with RAID1 root/boot setups. The deployment guide for Centos5 claims to support RAID1 boot partitions (RHEL4 didn't, and provided a pointer a site in UK which no longer works for more info), it's not clear how exactly a redundant boot block configuraton is achieved with that -- so that if you remove the primary drive, it'll still boot. Anyone have pointers for this? [I've gone through a number of sites with various hacks how to install grub on both disks, but I'm not quite sure which ones are valid, and whether those are needed anymore] .. read on if you're interested about the lilo/mkinitrd problem .. However, lilo doesn't really work, the root cause as far as I've been able to go is that '/dev/root' isn't recognized and as such not mounted. With grub this works. The init script in the initrd includes the following (automatically generated): ===8<== echo Creating root device. mkrootdev -t ext3 -o defaults,ro /dev/md0 echo Mounting root filesystem. mount /sysroot ===8<== And looking at the vast amount of RH bugs about this, it seems this root autodetection has caused significant grief, e.g., https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=197701. However, no bugs on this (or similar) have been filed under RHEL5. Any thoughts? Anyone run with similar setups? *) =======8<==== md: autorun DONE .. Creating root device Mounting root filesystem mount: could not find filesystem '/dev/root' Setting up other filesystems Setting up new root fs setuproot: moving /dev failed: no such file or directory no fstab.sys, mounting internal defaults setuproot: error mounting /proc: no such file or dir setuproot: error mounting /sys: no such file or dir ... and finally, a kernel panic. =======8<====== -- Pekka Savola "You each name yourselves king, yet the Netcore Oy kingdom bleeds." Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings

2 2

Cent LDAP server
by Chris 23 Apr '07

23 Apr '07

Forgive my ignorance on this topic - I would like to build an LDAP server at our shop. We a native 2k3 domain and would like this Cent LDAP server to pull in all the info from AD. Then periodically, have the Cent server sync with new addition/subtractions of AD. Is there a How-To out there somewhere that someone can point me to? I don't want to recreate the wheel by hand-inputing information into the Cent LDAP server. TIA and thanks for the patience and understanding. -- Best regards, Chris Motorized vehicles only.

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