Discuss September 2011

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268 participants
252 discussions

Re: [CentOS] (yum) Error: Cannot retrieve repository metadata (repomd.xml)....
by ken 21 Sep '11

21 Sep '11

Cool++. That fixed it. (Thanks much.) And now I have an example of something meant to fix problems causing problems. :) On 09/21/2011 12:05 PM lists-centos wrote: > > ------------ Original Message ------------ >> Date: Wednesday, September 21, 2011 11:52:11 AM -0400 >> From: ken <gebser(a)mousecar.com> >> >> On 09/21/2011 11:45 AM lists-centos wrote: >>> ------------ Original Message ------------ >>>> Date: Wednesday, September 21, 2011 11:27:44 AM -0400 >>>> From: ken <gebser(a)mousecar.com> >>>> To: CentOS mailing list <centos(a)centos.org> >>>> >>>> This error: >>>> >>>> Error: Cannot retrieve repository metadata (repomd.xml) for >>>> repository: debug. Please verify its path and try again >>>> >>>> occurs every time I run yum (and is where execution stops). Why? >>>> and/or What can be done to fix yum so I can use it again? >>>> >>> Have you tried: >>> >>> yum clean all >>> >>> then: >>> >>> yum check-update >>> >>> >>> - Richard >> yum check-update yields: >> >> http://debuginfo.centos.org/5/i386/repodata/repomd.xml: [Errno 4] >> IOError: <urlopen error (110, 'Connection timed out')> >> Trying other mirror. >> Error: Cannot retrieve repository metadata (repomd.xml) for >> repository: debug. Please verify its path and try again >> > > disable the debuginfo repository, either on the yum command line, or > better, in the /etc/yum.repos.d directory. it's not enabled by > default, and i suspect you don't need it, at least not at this stage. > > > - Richard > >

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sudo wildcards problem: for every argument a *-wildcard? Better solution?
by Sven Aluoor 21 Sep '11

21 Sep '11

Hi folks I allow the user tommy to run this command as root sudoCommand: /app/appname/connectors/*/*/current/bin/* With "sudo -l" he sees the sudoers, but is unable to execute. $ sudo /app/appname/connectors/zur/namename/current/bin/othername agentsvc --i --u root --sn 1m7command Sorry, user tommy is not allowed to execute '/app/appname/connectors/zur/namename/current/bin/othername agentsvc --i --u root --sn 1m7command' as root on testcentbox07. I guess because of wildcard arguments. Does every argument needs a *-wildcard? How to do when I don't know the number of arguments? cheers Sven

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Re: [CentOS] (yum) Error: Cannot retrieve repository metadata (repomd.xml)....
by ken 21 Sep '11

21 Sep '11

On 09/21/2011 11:45 AM lists-centos wrote: > > ------------ Original Message ------------ >> Date: Wednesday, September 21, 2011 11:27:44 AM -0400 >> From: ken <gebser(a)mousecar.com> >> To: CentOS mailing list <centos(a)centos.org> >> >> This error: >> >> Error: Cannot retrieve repository metadata (repomd.xml) for >> repository: debug. Please verify its path and try again >> >> occurs every time I run yum (and is where execution stops). Why? >> and/or What can be done to fix yum so I can use it again? >> > > Have you tried: > > yum clean all > > then: > > yum check-update > > > - Richard yum check-update yields: http://debuginfo.centos.org/5/i386/repodata/repomd.xml: [Errno 4] IOError: <urlopen error (110, 'Connection timed out')> Trying other mirror. Error: Cannot retrieve repository metadata (repomd.xml) for repository: debug. Please verify its path and try again So same problem.

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(yum) Error: Cannot retrieve repository metadata (repomd.xml)....
by ken 21 Sep '11

21 Sep '11

This error: Error: Cannot retrieve repository metadata (repomd.xml) for repository: debug. Please verify its path and try again occurs every time I run yum (and is where execution stops). Why? and/or What can be done to fix yum so I can use it again? tnx. -- War is a failure of the imagination. --William Blake

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Installation of 6.0
by Al Sparks 21 Sep '11

21 Sep '11

Some observations. When I installed 6.0 (base install), the installation interface did not guide me through a network configuration. I do static IP addresses, not DHCP. I ended up manually configuring the various /etc/sysconfig files. I forgot to do the GATEWAY configuration and it took me awhile to figure out why I wasn't able to connect to the server from outside the LAN. I also forgot to do the DNS settings. It's deja-vu all over again, going back to the older Red Hat Linux distros. Anyway, I wasn't able to find a configuration program like "netconfig" to help me out. Seems like a pretty big omission. Any thoughts? Am I missing something? === Al

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selinux policy remnant according to /bin/ls on CentOS 6.0 box
by Jon Detert 21 Sep '11

21 Sep '11

I installed CentOS 6.0 on 2 different x86_64 boxen. Both originally had selinux installed and enabled. I never touched selinux other than to remove as much of it as I could via rpm -e. As far as I can tell, here are the remaining packages that have something to do with it: # rpm -qa | grep -iE 'sel|pol' checkpolicy-2.0.22-1.el6.x86_64 libselinux-2.0.94-2.el6.x86_64 libsepol-2.0.41-3.el6.x86_64 polkit-0.96-2.el6_0.1.x86_64 # Both boxen have those packages. However: 1) box1 still has files in /selinux whereas box2's /selinux is empty; 2) ls -l on box1 shows a '.' at the end of file/directory, which means a SELinux security context applies, according to https://fedoraproject.org/wiki/Fedora_11_FAQ#Why_does_ls_show_a_dot_.28..29… Any idea why box1 still seems to have an selinux policy applied, and how to un-apply it? Thanks, Jon

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mdadm and drive identification?
by David C. Miller 21 Sep '11

21 Sep '11

I have a server that has 16 drives in it. They are connected to a 3ware 9650SE-16ML SATA RAID card. I have the card set to export all the drives as JBOD because I prefer Linux to do the reporting of drive and RAID health . I'm using mdadm to create a RAID6 with a hot spare. Doing this I can take the disks and put them on a completely different SATA controller/computer and still have the RAID intact. My problem is that I have no "for sure" way of matching a drive assigned to one of the /dev/sd[a-z]. Normally I could use a number of methods to match up what /dev/sd[a-z] is to a drives serial number. smartctl, hdparm, udevinfo, /dev/disk/by-uuid, or /dev/disk/by-id. However, the 3ware card obfuscates the drives from the OS and those methods don't work. The only way I know how to get a drives serial number is via the smartctl command like "smartctl -d 3ware,[0-15] -i /dev/twa0", but that does not tell me which sd[a-z] the drive is assigned to. Here is what I have tried. Creating a single large partition with fdisk on each drive as linux autoraid to get a uuid. for some reason the OS assigns the same uuid and only one uuid to the last drive I partition from the 3ware card. Basically all drives on the 3ware card have the same uuid.. Using the /dev/disk/by-id/. For some reason the 3ware card does not always assign the same id to a drive after a reboot. Is there another easy way I can positively ID a drive by serial number and the /dev/sd[a-z] that mdadm sees? Thanks. David.

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eth enumeration order
by Volker Poplawski 21 Sep '11

21 Sep '11

I have installed Centos 6 on a server with two NICs. It so happens that the NIC with the lower ARP adr is assigned 'eth1' and the NIC with the higher ARP 'eth0'. (Not sure if this a bug but it is at least inconvenient) I have modified the udev rules in /etc/udev/rules.d/70-persistent-net.rules by swapping eth0 with eth1 in the NIC's rules. However: the file gets changed on reboot. A third rule is automaticaly added for some reason, for one of the NICs which already has a rule. See below. The system ends up with no network interface set up at all, because the init-script gets confused. So.... How do you specifiy the order in which NICs are enumerated? or at least how to tell centos to stop messing with the 70-persistent-net.rules? Regards .....Volker Contents of /etc/udev/rules.d/70-persistent-net.rules (arps anonymized): (These are the two rules modified by me, assigning eth0/eth1 in ascending arp order) # PCI device 0x8086:0x10d3 (e1000e) (custom name provided by external tool) SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="xx:xx:xx:xx:8f:ea", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0" # PCI device 0x8086:0x1502 (e1000e) (custom name provided by external tool) SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="xx:xx:xx:xx:8f:eb", ATTR{type}=="1", KERNEL=="eth*", NAME="eth1" (This is the rule which gets automaticaly added on reboot) # PCI device 0x8086:0x1502 (e1000e) (custom name provided by external tool) SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="xx:xx:xx:xx:8f:eb", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"

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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/

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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

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Discuss September 2011