Discuss September 2011

discuss@lists.centos.org

268 participants
254 discussions

PDF Reader/Editor for CentOS 5.7 (32 bit)?
by Lanny Marcus 20 Sep '11

20 Sep '11

I had, in the past, a .pdf reader that also permitted me to fill in some information, when I received a .pdf file. I have KPDF installed, but that seems to only have Reader capability. Trying to install xpdf, with yum, I get this dependency error from rpmforge: 1:xpdf-3.02-8.el5.rf.i386 from rpmforge has depsolving problems --> Missing Dependency: libXm.so.4 is needed by package 1:xpdf-3.02-8.el5.rf.i386 (rpmforge) Error: Missing Dependency: libXm.so.4 is needed by package 1:xpdf-3.02-8.el5.rf. Then, if I try to yum install libXm.so.4 I get this error: No package libXm.so.4 available. Received a contract via email and I would like to add some information and send it back via email. If someone can recommend a Package that I can install, that will be appreciated. Hopefully, something as easy to use as what I had before. It just worked. :-) Unfortunately, I cannot remember which package it was. :-) TIA! Lanny http://www.magazines-magazine.com/

12 15

is oprofile working on CENTOS 6.0 ?
by William Reich 20 Sep '11

20 Sep '11

Hi I am trying to use oprofile with centos 6.0. I know that the debug-info for the kernel is not available, so I believe I used the correct switches to account for this. here is my script... # reset everything opcontrol --shutdown rm /root/.oprofile/da* opcontrol --separate=kernel --no-vmlinux opcontrol --event=CPU_CLK_UNHALTED:100000 opcontrol --start sleep 5 opcontrol --reset echo "sleeping now" sleep 20 opcontrol -stop # all done - use the data with opreport... echo " " echo " " When I run this on a CENTOS 6 machine, the machine hangs. There is no visible panic on the console nor the serial port. This is 100% repeatable. I tried multiple machines. I am using a DELL 2850. Any help would be appreciated. wr

1 2

LVM lvresize/lvextend requires some space in /etc to grow a logical volume?
by Johnny Tan 20 Sep '11

20 Sep '11

Side note: In CentOS-6, I noticed a new option in lvresize / lvextend: -r, --resizefs Resize underlying filesystem together with the logical volume using fsadm(8). Nice. Two steps (lvresize and resize2fs) can now be combined into one! Works great. But that has nothing to do with my question, just thought I'd share the discovery. == Anyway, here's the real issue with LVM, at least in CentOS-6: [root@jttest ~]# df Filesystem 1K-blocks Used Available Use% Mounted on /dev/mapper/vg_main-lv_root 1548144 1548144 0 100% / [root@jttest ~]# lvextend -L 2G /dev/vg_main/lv_root /etc/lvm/archive/.lvm_jttest.pp.local_5523_51321310: write error failed: No space left on device Volume group "vg_main" metadata archive failed. /etc/lvm/cache/.cache.tmp: write error failed: No space left on device So I can't extend a logical volume if there's no space in /etc? Granted, I only need to delete like 2k worth of files in the same logical volume as /etc to make the above work, but I don't recall lvresize or lvextend requiring space in /etc to do a resize. Has this always been the case? I don't have any 5.x servers handy to test this with. Can anyone verify? If this is new, this seems less-than-ideal. /etc itself rarely fills up, so, in theory, I could make it its own LV, but that's even less ideal. For now, I'll stick to deleting just enough to do the extend/resize. johnny

4 5

Kickstart mdraid on two disks, from usb key detected as sda instead of sdc...
by John Doe 20 Sep '11

20 Sep '11

Hi, I am trying to adapt my kickstart usb key to optionally auto-setup mdraid on two disks... But I have one server that keeps attaching the usb key to sda instead of sdc... My kickstart creates the raid devices on sdb and sdc partitions; but then I expect it not to work once the key is unplugged and the disks fall back to sda and sdb... Can I just modify mdadm.conf at the end, just before rebooting? What about grub? Thx, JD

1 0

Submitting patches from upstream fixes/bugs
by Trey Dockendorf 20 Sep '11

20 Sep '11

What is the preferred method for submitting patches from upstream projects ? I have two patches for libvirt-0.8.1.el6_0.6. One adds ESX 4.1 support to things like virt-v2v ( http://www.redhat.com/archives/libvir-list/2010-July/msg00480.html) and the second fixes the broken "virsh snapshot-create" ( https://bugzilla.redhat.com/show_bug.cgi?id=727709) All I did really was get them to work with the CentOS 6 version of libvirt. Thanks - Trey

2 4

ekiga
by hadi motamedi 20 Sep '11

20 Sep '11

Dear All I have installed Asterisk on my centos 5.0 and I have two other centos 6.0 and centos 5.6 with ekiga sip client. The centos 6.0 can make successful sip calls but centos 5.6 cannot. Among the Asterisk logs, I found that the centos 6.0 has ekiga 3.2.6 but centos 5.6 has ekiga 2.0.2 . How can I install/upgrade my older ekiga? Thank you

2 6

reading vdump files?
by Smithies, Russell 20 Sep '11

20 Sep '11

I have a lot of data in some vdump files backed up from a Tru64 system that I now need to recover to a Centos server. We no longer have any servers running Tru64, is there any way to extract/convert them on a "standard" linux system? Ideally converting in bulk to a tar would do. Any ideas? Russell Smithies ======================================================================= Attention: The information contained in this message and/or attachments from AgResearch Limited is intended only for the persons or entities to which it is addressed and may contain confidential and/or privileged material. Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon, this information by persons or entities other than the intended recipients is prohibited by AgResearch Limited. If you have received this message in error, please notify the sender immediately. =======================================================================

1 0

run without sendmail
by Jerry Geis 19 Sep '11

19 Sep '11

I'm running centos on a "limited" environment. Is it ok to turn off sendmail and run without it. Are there issues with doing that or is all Ok. Thanks, Jerry

3 3

Can't boot Centos6 ext4 partition from GAG bootloader
by Maurice Batey 19 Sep '11

19 Sep '11

Have just installed Centos-6 from a Linux Format DVD. The install went smoothly, although the installer inisisted that the root partition had to be formatted ext4. When my GAG boot loader tried to boot from that root partition, it was unable do so. Elsewhere I read that GAG cannot boot from an ext4 parititon. I there any way tp persuade Centos-6 to use an ext3 root partition? -- /\/\aurice (Retired in Surrey, UK)

4 6

questions about upgrading
by Jon Detert 19 Sep '11

19 Sep '11

I'm pretty new to the task of upgrading CentOS or RedHat o.s.'s. I'm more familiar with upgrading Debian based o.s.'s. Here are my questions: 1) will yum ever upgrade the major version? I understand that there is no upgrade path from v5.x to v6.x, but is that always the case? e.g. was there an upgrade path from v4.x -> v5.x? If yum is capable of doing so, what are the command-line arguments necessary? 2) can I upgrade a minor version to any other greater minor number, or only to the greatest? E.g. if i have a v5.4 box, can i upgrade to v5.5 or v5.6, or only to v5.7 (currently the latest)? 3) if an upgrade delivers a new kernel, am I obligated to run it (i.e. will the old kernel remain installed, or will the upgrade remove the old kernel)? If not, does the upgrade automatically update grub such that the new kernel becomes the default? Will the upgraded box function properly without running the new kernel? 4) aside from when an upgrade includes a new kernel, how can I tell when a reboot is necessary? I gather that a new glibc may require services to be restarted, but is a reboot strictly necessary? 5) is there a way to apply only the updates that were made for the given minor version you're currently at? E.g. if I'm at v5.5, how can I only apply updates that were made prior to v5.6's availability? Thanks, Jon

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Discuss September 2011