Discuss February 2008

discuss@lists.centos.org

286 participants
340 discussions

Reg. Kernel switching
by Padmaja 08 Feb '08

08 Feb '08

Hi all, I am a newbie to linux and this is my first mail to this group. We have a PC running Centos version 2.6.9-42.0.2.EL. I needed to load a router software called Nistnet and it would not run properly. It is looking for RTC (Real Time clock) support as a module. I 've gone through the LKM Loadable Kernel module support under Documentation pages of Linux.org and did the following: located the kernel release: uname -r 2.6.9-42.0.2.EL next navigated to the /usr/src/kernels/2.6.9-42.0.2.EL-i686 (this is where the kernel is located on this PC) then issued a make menuconfig command It took me to through the menu and under device drivers> character device drivers i chose the Real time clock support as a module. Then exited out of the menu and did make modules_install. Then rebooted. However, the PC while rebooting showed some messages like fast_rtc: lost around 26 interrupts at 8192Hz. this keeps on appearing on the screen for a while before reboot and after the system reboots, I see that at boot time, the ethernet interface does not come up. It gives the follwoing error: Device eth0 has a different MAC address than expected, ignoring. Also i get the following error messages : Cannot open /lib/modules/2.6.9-42.0.2.EL/kernel/arch/i386/kernel/ microcode.ko no such file or directory and cannot open lib/modules/2.6.9-42.0.2.EL/kernel/drivers/net/sunrpc/sunrpc.ko no such file or directory. if I do an updatedb command and then slocate microcode.ko, I still see it under this directory. However, if I navigate to the kernel directory under 2.6.9-42.0.2.EL , there is nothing under it. If i issue ls -al there are a totoal of 16 entries but I cant see them. Can any one please tell me how to revert back to the original configuration or to undo these changes? I have copied the config-2.6.9-42.0.-EL release from Centos site to the /boot thinking it would revert to the original default config. Then I rebooted the PC but I still get the error-Eth interface has a different MAC id than expected or unable to bring eth0 up. So, at the boot time, I am currently choosing the kernel version 2.6.9-32-EL. With this I am able to browse the Internet. But I want to make the version 2.6.9-42-EL up. Please some one help me!! Thanks, Padmaja

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Reg. PPPoE server installation
by Padmaja 08 Feb '08

08 Feb '08

Hi all, I am trying to install the PPPoe server rp-pppoe-3.8 from Roaring penguin on centos PC (Centos 4.3, Kernel release 2.6.9-34.EL) but not able to start it. When I start it it gives the error-- /etc/rc.d/init.d/pppoe status pppoe-status: Link is down (can't read pppd PID file /var/run/pppoe.conf-pppoe.pid.pppd) ror - /etc/rc.d/init.d/pppoe start Bringing up PPPoE link................TIMED OUT /usr/sbin/pppoe-start: line 191: 4703 Terminated $CONNECT "$@" >/dev/null 2>&1 [FAILED] Please let me know how to fix this. Thanks, Padmaja

2 1

kickstart install NVIDIA binary driver
by Jerry Geis 08 Feb '08

08 Feb '08

Hi all, I am wanting to add to my working kickstart post section grabbing the NVIDIA binary and installing it. I can grab the file thats not the problem. I can use the --x-module-path to pass to the binary installer... however, How do I get the correct module path, kernels are added the the yum update, and a new one comes along and wish to account for that. What is the correct way to know which path to provide to the installer. Process is in kickstart post: yum -u update copy NVIDIA binary init 3 install the NVIDIA binary with either the current kernel module path or if yum update grabbed a new kernel then use that module path.. Also is there anyway in the post section to do do a "CTRL+ALT+F3" Thanks, Jerry

3 2

Changing ext3 Partition Size
by Scott Moseman 08 Feb '08

08 Feb '08

I have an ext3 partition from our SAN. The size was increased. I am attempting to re-size this specific ext3 partition, obviously. I unmount the partition, run fdisk, change the cyls, and save... WARNING: Re-reading the partition table failed with error 22: Invalid argument. The kernel still uses the old table. The new table will be used at the next reboot. And that is the message that I receive after I attempt the save. I did attempt a reboot to see if it did anything, but it did not help. Thanks, Scott

3 2

automatically select a virtual console
by Jerry Geis 08 Feb '08

08 Feb '08

Is there a way in a shell script to switch virtual consoles? I want to switch to virtual console 3 using a command line . How do I do that? jerry

3 2

New Adobe Reader works on CentOS-4.x, speech synthesis reader & more.
by William L. Maltby 08 Feb '08

08 Feb '08

Just and FYI. In RPM form, works on 4.x and I will try on 5.x too. Speech is tacky, but if I can get something but the Gnome Festival synthesizer, maybe it will improve? http://www.adobe.com/products/acrobat/readstep2.html?promoid=BONRM -- Bill

1 2

RE: [CentOS] Installation problems with large mirrored drives (SU CCESS!)
by Bowie Bailey 08 Feb '08

08 Feb '08

Bowie Bailey wrote: > I am trying to install CentOS 4.6 to a pair of 750GB hard drives. I > can successfully install to either of the drives as a single drive, > but when I try to use both drives and mirror the partitions, I start > having problems. Anaconda crashes as it is trying to format the > drives. > > This is what I'm trying to create: > > /dev/md0: 200MB, /boot > /dev/md1: 2GB, swap > /dev/md2: rest of the drive, LVM PV > > LogVol00: 10GB, / > LogVol01: rest of the VG, /home Thanks for all the suggestions! I tried a few of them. They didn't solve the problem, but they did help me find it. When I tried to run the install without LVM, I still got the same anaconda crash (referencing vgremove). I realized that anaconda was trying to remove the volume groups that already existed on the drives. Once I erased all of the partition information on the drives with fdisk, I was able to do a normal install with LVM. -- Bowie

1 0

VDR on CentOS?
by Christian Volker 08 Feb '08

08 Feb '08

Yohoo! Is there a repository for CentOS5 with VDR? On http://www.cadsoft.de/vdr/ I only find the sources, but no rpms. Thanks! Christian Volker Technical Support Engineer -- Parnell House, Barrack Square, Ballincollig, Co. Cork, Ireland

1 0

Integrate driver disk to CentOs 5.1 DVD?
by Sebastian Marten 08 Feb '08

08 Feb '08

Hi, I have a new mainboard with a Realtek RTL8111B / RTL8168B NIC. In 5.1 are no driver integrated for this nic, but there is driver disk: http://wiki.centos.org/HardwareList/RealTekRTL8111b and http://wiki.centos.org/HardwareList/RealTekRTL8111b?action=AttachFile&do=ge… Can I integrate this driver do the CentOS 5.1 ISO or can i use this driver from a USB Stick during the install? regards, Sebastian

2 1

Security help desperately needed
by Anne Wilson 08 Feb '08

08 Feb '08

I need to have the following services from my server: imap - mostly by lan, but occasionally external file and print serve samba access - read and write to some directories The problems I'm seeing are inconsistent, making it difficult to know how to find the source. Samba access is essential to me. I use a server-based korganizer, and without samba it's inaccessible. Sometimes it is working, sometimes it isn't. Last night, in desperation, I turned off selinux and the firewall so that I could finish a job, intending to get it sorted this morning. (There is a router firewall, so while security was diminished it was not totally absent.) This morning my laptop cannot make any samba connections at all. In an attempt to find out what's happening I have searched log files, and the only relevant entries are as follow: messages #borg2=server - no other connection at this point Feb 7 10:01:07 borg2 smbd[7393]: [2008/02/07 10:01:07, 0] lib/util_sock.c:read_data(534) Feb 7 10:01:07 borg2 smbd[7393]: read_data: read failure for 4 bytes to client 192.168.0.91. Error = No route to host Feb 7 10:03:09 borg2 smbd[7394]: [2008/02/07 10:03:09, 0] lib/util_sock.c:read_data(534) Feb 7 10:03:09 borg2 smbd[7394]: read_data: read failure for 4 bytes to client 192.168.0.91. Error = No route to host # laptop started - should automount borg2 Feb 7 10:09:48 borg2 automount[2590]: create_udp_client: hostname lookup failed: No such process Feb 7 10:09:48 borg2 automount[2590]: create_tcp_client: hostname lookup failed: No such process Feb 7 10:09:48 borg2 automount[2590]: lookup_mount: exports lookup failed for .directory # last entry refers to nfs export? # hostname lookup should be by way of /etc/hosts, which holds list of all lan members secure shows nothing helpful Way back I remember that msec used to change security settings overnight. Could this be happening? I feel to be thrashing helplessly. I need help to find a sensible strategy for sorting this, then setting correct security measures. TIA Anne

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Discuss February 2008