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Installing RPM using --prefix and possible libvirt patch
by Trey Dockendorf 12 Sep '11

12 Sep '11

I'm trying to install libvirt to /opt/libvirt, in order to test a patch I've worked into the current release, but it seems RPM is ignoring the --prefix command. The RPM I built has "Prefix: /opt/libvirt" in the spec, and correctly shows as relocatable by RPM... # rpm -qpi libvirt-0.8.1-27.el6.6.x86_64.rpm Name : libvirt Relocations: /opt/libvirt Version : 0.8.1 Vendor: (none) Release : 27.el6.6 Build Date: Fri 09 Sep 2011 07:30:28 PM CDT Install Date: (not installed) Build Host: itsclinuxdev.tamu.edu Group : Development/Libraries Source RPM: libvirt-0.8.1-27.el6.6.src.rpm Size : 2538412 License: LGPLv2+ Signature : (none) URL : http://libvirt.org/ Summary : Library providing a simple API virtualization Description : Libvirt is a C toolkit to interact with the virtualization capabilities of recent versions of Linux (and other OSes). The main package includes the libvirtd server exporting the virtualization support. However when I issue the RPM command it will throw errors about conflicting with the current install of libvirt. # rpm -ivh --prefix /opt/libvirt libvirt-client-0.8.1-27.el6.6.x86_64.rpm Preparing... ########################################### [100%] file /usr/lib64/libvirt.so.0.8.1 from install of libvirt-client-0.8.1-27.el6.6.x86_64 conflicts with file from package libvirt-client-0.8.1-27.el6_0.6.x86_64 file /usr/share/man/man1/virsh.1.gz from install of libvirt-client-0.8.1-27.el6.6.x86_64 conflicts with file from package libvirt-client-0.8.1-27.el6_0.6.x86_64 file /usr/share/man/man1/virt-pki-validate.1.gz from install of libvirt-client-0.8.1-27.el6.6.x86_64 conflicts with file from package libvirt-client-0.8.1-27.el6_0.6.x86_64 file /usr/share/man/man1/virt-xml-validate.1.gz from install of libvirt-client-0.8.1-27.el6.6.x86_64 conflicts with file from package libvirt-client-0.8.1-27.el6_0.6.x86_64 The patch I worked into libvirt is here, http://www.redhat.com/archives/libvir-list/2010-July/msg00480.html (not my posting), to add ESXi and ESX 4.1 support , in my case to virt-v2v. I'd like to install it without possibly breaking my current install of libvirt and just use the patched virt-v2v binary. As a side note, where should I direct my patch to possibly have it put into the official centos release? I had to slightly modify what was posted in the above link to make it work with 0.8.1. Thanks - Trey

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lftp mirror replication
by John R Pierce 12 Sep '11

12 Sep '11

so I have an internal mirror I was replicating off mirrors.kernel.org via lftp, using a script... /usr/local/bin/lftp -c 'open ftp://mirrors.kernel.org/pub/ && \ lcd /export/mirror && \ mirror --continue --verbose=1 -x ia64 -x s390 -x s390x \ -x alpha -x SRPMS centos' well, kernel.org is down now, due to their being hacked, grrrr. if I switch this to another source archive, will it 'just work' or will there be any differences in the file dates that will end up causing massive new downloads of the same data? and, is it just me, or is the mirror list on http://www.centos.org/modules/tinycontent/index.php?id=30 a lot smaller than it used to be? -- john r pierce N 37, W 122 santa cruz ca mid-left coast

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Re: [CentOS] CentOS 6 Installation on Thinkpad X220
by Janne TH. Nyman 12 Sep '11

12 Sep '11

>> I might be wrong, but is it possible that this port is USB3? That way the >> BIOS would be able to boot the CD from it, but neither linux nor windows is >> likely to have suitable drivers for using it. >> jh That may be the reason :) I thought it was me going nuts. Again, thanks all for you assistance. Cheers, Janne "Janski" Nyman E: jnyman(a)jbtec.org

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Installation on Intel DH67BL motherboard failed
by Sanjay Arora 12 Sep '11

12 Sep '11

Hello all I tried to install Centos 6 on Intel DH67BL motherboard with i7-2600 processor and a PCI Parallel/Serial port Card. This machine is running Win7, Ubuntu & Fedora 15. Booting from DVD, the machine boots up in text mode & loads vmlinuz and then the screen goes grey. Pressing a keyboard key does some dvd/hdd activity, so the machine is not hung. So the issue is obviously the graphics chipset. Research in CentOS forums shows that this may be supported by CentOS 6.1 machine. Can I install graphics/network support from some other repo, till 6.1 arrives and then again I can reinstall with only CentOS repos. My skillset is limited to compiling from source if instructions are there, but not trial & error otherwise. Any pointers? With best regards. Sanjay.

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disk duplication question
by Jerry Geis 12 Sep '11

12 Sep '11

I have need to duplicate centos 6 on 133 computers. I purchased a disk duplicator make my master and the duplicator does 11 at a time. All is good so far... When I take a duplicated disk and stick it in the "new" box which is different than the master machine of course all seems to work except the network. So of course the MAC address for the NIC doesn't match so the network doesn't work. My solution was to edit ifcfg-eth0 and remove the HDADDR line and edit udev/70-persistant-net.rules and remove the MAC address from the network SUBSYSTEM line. The network does come back on and everything seems fine. Is this the correct way to do this? Making a master and being able to stick the duplicated disk in another machine? Thanks, Jerry

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Re: [CentOS] CentOS 6 Installation on Thinkpad X220
by Janne TH. Nyman 12 Sep '11

12 Sep '11

> And she changed it from AHCI to compatibility mode (had to change itto > that mode to make the drive being recognized?), which is not the best > setting regarding speed. Alexander: The she is actually a he :) > Quite right, sorry, I'd read it backwards. So presumably either a bug > in the > AHCI support, or a limitation/bug of the kernel driver? > jh John: Actually, this is a complete false alarm. Actual Solution: You don't have to change anything on these laptops. But it is a good tip that when installing from external cd/dvdrom, if it first does not work, change usb port and try again. I changed back the BIOS to AHCI. I was previously plugged into the top left USB port I.e. the one on the left hand side closes to the monitor or back side. When lenovo's external CDROM/DVD is plugged into this port, I am unable to install linux in general or other OS's. Once I plug it into any of the other USB ports bottom left or right, it works perfectly. No wonder I haven't found any problem posts regarding x220 and CentOS/RHEL. Thanks for all your time supporting me. Fantastic responses on this mailing list. Use external CD/DVD ROM, just ensure to plug it into the right port :) Cheers, Janne "Janski" Nyman E: jnyman(a)jbtec.org

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gnumeric
by ken 12 Sep '11

12 Sep '11

Where do I find a gnumeric rpm? I must not have enough repos listed. (I recently had to rebuild my system pretty much from scratch. :( )

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persistent custom lines in /etc/hosts?
by wwp 12 Sep '11

12 Sep '11

Hello there, I've edited /etc/hosts to add few custom IP/hostnames couples. After each reboot, I have to add them again. I've then added /etc/sysconfig/network/hosts, but it seems to ignore it or at least ignore 127.0.0.1 assignments I'm doing in it. Is there a mechanism I'm not aware of, or doing things wrong to make my custom IP/hostnames assignments permanent after network services restart? Regards, -- wwp

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CentOS 6: ethernet "ifconfig up" failure
by Michael D. Berger 12 Sep '11

12 Sep '11

On my CentOS 6 partition of my laptop: First note that for this test, NetworkManager is not running because I did: chkconfig --del NetworkManager and then rebooted. Here is my ifcfg-eth0: DEVICE="eth0" NM_CONTROLLED="no" ONBOOT=no HWADDR=xx:xx:xx:xx:xx:xx TYPE=Ethernet BOOTPROTO=none IPADDR=192.168.2.5 PREFIX=24 GATEWAY=192.168.2.1 DNS1=192.168.2.1 DNS2=192.168.2.1 DEFROUTE=yes IPV4_FAILURE_FATAL=yes IPV6INIT=no NAME="System eth0" UUID=xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx I reboot to level3, do startx (to KDE 4) then do: # ifconfig eth0 up # ping 192.168.9.1 connect: Network is unreachable If I edit ifcfg-eth0 to set ONBOOT=yes and reboot, I get a proper connection. So why is "ifconfig eth0 up" not connecting? Thanks for your help. Mike.

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KVM on CentOS 6
by Emmett Culley 12 Sep '11

12 Sep '11

Today I suddenly have two VMs that have read only file systems. The host is CentOS 6, as are the two VMs with this problem. The first symptom was on a new VM I installed ISPConfig onto. I got through the entire process with only a dependency issue between php-pecl_apc and php-accelerator. After completing the installation I noticed some funny things, but I assumed it might be the addition of quotas and remounting with quotas on. so I didn't think much of it and rebooted the VM. It failed to reboot because the file system should not be switched to read-write. Since it was a new VM and installing ISPConfig was an experiment, I just wiped it with the intention of starting over. While I was creating another clone of a CentOS 6 image on the host, I looked into one of the other VMs running on that host, which has been up and running for 47 days. Same problem, without rebooting. For example running yum give this: [root@dev log]# yum update Loaded plugins: fastestmirror, presto Cannot open logfile /var/log/yum.log Could not create lock at /var/run/yum.pid: [Errno 30] Read-only file system: '/var/run/yum.pid' Another app is currently holding the yum lock; waiting for it to exit... Traceback (most recent call last): File "/usr/bin/yum", line 29, in <module> yummain.user_main(sys.argv[1:], exit_code=True) File "/usr/share/yum-cli/yummain.py", line 254, in user_main errcode = main(args) File "/usr/share/yum-cli/yummain.py", line 103, in main show_lock_owner(e.pid, logger) File "/usr/share/yum-cli/utils.py", line 106, in show_lock_owner ps = get_process_info(pid) File "/usr/share/yum-cli/utils.py", line 61, in get_process_info if (not os.path.exists("/proc/%d/status" % pid) or TypeError: %d format: a number is required, not str ------------------------------------ And running mount gives this: [root@dev log]# mount /dev/mapper/VolGroup-lv_root on / type ext4 (rw) proc on /proc type proc (rw) sysfs on /sys type sysfs (rw) devpts on /dev/pts type devpts (rw,gid=5,mode=620) tmpfs on /dev/shm type tmpfs (rw) /dev/sda1 on /boot type ext4 (rw) /web on /NFS/web type none (rw,bind) none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw) sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw) nfsd on /proc/fs/nfsd type nfsd (rw) /etc/named on /var/named/chroot/etc/named type none (rw,bind) /etc/named.rfc1912.zones on /var/named/chroot/etc/named.rfc1912.zones type none (rw,bind) /usr/lib64/bind on /var/named/chroot/usr/lib64/bind type none (rw,bind) /etc/named.iscdlv.key on /var/named/chroot/etc/named.iscdlv.key type none (rw,bind) /etc/named on /var/named/chroot/etc/named type none (rw,bind) /usr/lib64/bind on /var/named/chroot/usr/lib64/bind type none (rw,bind) mount: warning: /etc/mtab is not writable (e.g. read-only filesystem). It's possible that information reported by mount(8) is not up to date. For actual information about system mount points check the /proc/mounts file. ------------------------------- The VM is running, serving web pages and responding to DNS queries, but it is clear, given my earlier experience with the ISPConfig machine, that I won't be able to reboot it until I figure out the problem. Now that I am looking at the output from the mount command I wonder where all those named related mounts came from. Could it be webmin. Both VMs have webmin installed. Mostly to allow be to configure bind, since system-config-bind is no more. Anybody have any idea what happened, or better yet, any ideas on how to fix this? Emmett

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