Discuss May 2013

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151 participants
121 discussions

Failed to create /dev/loop0p* entries for partitions inside loopback devices
by Gelen James 24 May '13

24 May '13

centos 6 failed to create entries under /dev for newly created loopback devices. Any one know why? and how to fix/workaround it? The steps to duplicate is pretty simple dd if=/dev/zero of=/tmp/deleteme bs=1M count=100 losetup /dev/loop0 /tmp/deleteme fdisk /dev/loop0 ## created partitions 1, 2, etc. fdisk -l /dev/loop0 ## confirmed that the partitions do exist mkfs.ext3 /dev/loop0p1 ## failed here, the error prompt says that the /dev/loop0p1 doesn't exist! ls /dev/loop0p* ## no entries Please shed a light here, I'm running centos 6.4 Thanks. Robert

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CentOS 6 and PHP
by Glenn Eychaner 24 May '13

24 May '13

Still upgrading CentOS 5 to CentOS 6, and have run into the next issue: When I install httpd and php, everything works great, and the default-test "<?php phpinfo(); ?>" works great. The problem is that I have a bunch of old HTML that seems to use "<?" alone (or worse, "<!--?"), which worked in CentOS 5 but fails in CentOS 6. I can change all the HTML, but is there an easier way? Summary of previous issues: system-config-network-cmd leaving behind "ifcfg" files in network-scripts that it shouldn't: I still don't have an answer for this one; I work around it by naming all the scripts "ifcfg-ethX_<profile>" and cleaning any that don't match <profile> after running system-config-network-cmd. I suspect it has to do with either the contents of /etc/udev/rules.d/70-persistant-net.rules or the format of my ifcfg-ethX_* files, but haven't been able to resolve it. Probably will leave it as "workaround works". UUIDs and boot drives: Didn't solve this one either, but again didn't try very hard because the recovery from a failed attempt is a royal pain. I decided that the actual UUIDs weren't important enough to me to matter, since I seldom boot with more than one workstation's drive connected at a time. I will probably go back to labels, since I can change those (apparently) without rendering the system unbootable. Thanks, -G. -- Glenn Eychaner (geychaner(a)lco.cl) Telescope Systems Programmer, Las Campanas Observatory

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Enable HT on CentOS 6.4 (Dell R720 64 Bit server)
by Kaushal Shriyan 24 May '13

24 May '13

Hi, I have HT Feature available on my Dell Server R720. Please help me understand if HT is enabled on the server, will there be a performance impact. What are the deciding factors to enable HT on the servers. Regards Kaushal

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CentOS-announce Digest, Vol 99, Issue 12
by centos-announce-request＠centos.org 24 May '13

24 May '13

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Changing disk UUID after cloning
by Glenn Eychaner 24 May '13

24 May '13

So, I have a CentOS 6 system, and I want to make several clones of it. I'm using Clonezilla to clone the drives; that's no problem. But the drive UUIDs are driving me up the wall. After cloning, the two drives have the same UUID, but I'd like each clone to have different UUIDs so there's no possibility of a conflict when I am running diagnostics with two drives installed, etc. But when I change the UUID of the /boot or / partition (even if I update /etc/fstab), the system won't boot; it GRUBs OK (after I use recovery mode to rerun grub-install), but never gets to the 'Welcome to CentOS " message. Do I need to "rebless" vmlinuz or initrd or initramfs in the /boot partition if I change the drive UUID? Or should I just ignore UUID and go back to using labels in /etc/fstab (which is what I did in CentOS 5)? Thanks, -G. -- Glenn Eychaner (geychaner(a)lco.cl) Telescope Systems Programmer, Las Campanas Observatory

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CentOS-announce Digest, Vol 99, Issue 11
by centos-announce-request＠centos.org 23 May '13

23 May '13

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit http://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to centos-announce-request(a)centos.org You can reach the person managing the list at centos-announce-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS-announce digest..." Today's Topics: 1. CEBA-2013:0854 CentOS 6 vte Update (Johnny Hughes) 2. Release for CentOS-6.4 LiveCD and LiveDVD for i386 and x86_64 (Karanbir Singh) 3. CEBA-2013:0857 CentOS 6 qemu-kvm Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Wed, 22 May 2013 17:17:34 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2013:0854 CentOS 6 vte Update To: centos-announce(a)centos.org Message-ID: <20130522171734.GA17174(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2013:0854 Upstream details at : https://rhn.redhat.com/errata/RHBA-2013-0854.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: a5fd4ed13fc0a3ff83a7fec625875c7901033ca7995057cd7b0e9f181f9a023c vte-0.25.1-8.el6_4.i686.rpm 9cba8a558f58101effb64a11f42638039ac139c01cc37d10b579f8b64b6c7ad9 vte-devel-0.25.1-8.el6_4.i686.rpm x86_64: a5fd4ed13fc0a3ff83a7fec625875c7901033ca7995057cd7b0e9f181f9a023c vte-0.25.1-8.el6_4.i686.rpm 181ae90c9641e5c73bc945cf957914463950bfbd5a7ba775afc514453f47a015 vte-0.25.1-8.el6_4.x86_64.rpm 9cba8a558f58101effb64a11f42638039ac139c01cc37d10b579f8b64b6c7ad9 vte-devel-0.25.1-8.el6_4.i686.rpm 346172102f88fd0fcecbd2c0a808b7b5c60f5a0ff8de84598e8922ce1a54da9a vte-devel-0.25.1-8.el6_4.x86_64.rpm Source: 4f3e50988eda272b1e447fad62272f884b625c63b9ce02b146fde0c6d41b5a1e vte-0.25.1-8.el6_4.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Wed, 22 May 2013 18:23:45 +0100 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] Release for CentOS-6.4 LiveCD and LiveDVD for i386 and x86_64 To: CentOS Announcements List <centos-announce(a)centos.org> Message-ID: <519CFF21.2050800(a)centos.org> Content-Type: text/plain; charset=ISO-8859-1 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 We are pleased to announce the immediate availability of CentOS-6.4 LiveCD and LiveDVD for the i386 and x86_64 architectures. Detailed Release Notes are available at http://wiki.centos.org/Manuals/ReleaseNotes/CentOSLiveDVD6.4 and http://wiki.centos.org/Manuals/ReleaseNotes/CentOSLiveCD6.4 +++++++++++++++++++++++ Overview The CentOS-6.4 LiveDVD and LiveCD are meant to be a Linux environment suited to be run directly from either Optical media or USB storage devices. It does not need any persistent storage on a machine, which also makes it a suitable recovery environment. The Live media are setup to run as full desktop environments and include most of the applications used in this role. +++++++++++++++++++++++ Download SHA256SUMs : 4677bb7d14f907e55936f991286c5d391519ada92428f71e82dac91b16bf671b CentOS-6.4-x86_64-LiveCD.iso 11822113016177b02bd80dbb35ae80f55db7b0590086b77bb661a4f7d40ee549 CentOS-6.4-i386-LiveCD.iso 1dee1e5f9df0278002b7da0279ed55afdf11abc5b889f4678ba43d70979e00f1 CentOS-6.4-x86_64-LiveDVD.iso 29e91fbfc30cab11661c38d767a0b1694cf57b994440575aa41b2c86a115e3e0 CentOS-6.4-i386-LiveDVD.iso The CentOS-6.4 Live media is released to all external mirrors and available for download now. List of mirrors is available at these urls : http://isoredirect.centos.org/centos/6/isos/i386/ http://isoredirect.centos.org/centos/6/isos/x86_64/ Due to the size of these DVDs, torrents have also been released and are being seeded at this time. The torrents are available at: http://mirror.centos.org/centos/6/isos/x86_64/CentOS-6.4-x86_64-LiveDVD.tor… http://mirror.centos.org/centos/6/isos/x86_64/CentOS-6.4-x86_64-LiveCD.torr… http://mirror.centos.org/centos/6/isos/i386/CentOS-6.4-i386-LiveDVD.torrent http://mirror.centos.org/centos/6/isos/i386/CentOS-6.4-i386-LiveCD.torrent Once you download the images, its important to verify contents using the sha256sum utility, against the published sums here. +++++++++++++++++++++++ Notes You can now install the Live environment to your hard disk (which wasn?t possible with the 5.x Live medias). Please note that you need more that 512Mb of ram to be able to use that ?install to hard drive? feature (If you have less than 512Mb of ram, you can install to disk but in text-mode, meaning that instead of clicking on the desktop icon, you have to launch a gnome-terminal and launch the ?liveinst? command from within the terminal) There is no upstream Live media product. The Live media produced within the CentOS Project is based on and around the livemedia tools from the Fedora Project. These LiveCD and LiveDVD only contains content found within the primary CentOS-6 distribution. No package from outside the distribution was included and no package has been changed from whats included in the base distribution. We appreciate all forms of feedback about these LiveDVD, including specific application inclusion requests or feature changes in future releases. The best place to provide this feedback is via the centos-devel mailing list ( http://lists.centos.org/ ) and feature requests via the issue tracker ( http://bugs.centos.org/ ). Enjoy! - -- Karanbir Singh, The CentOS Project +44-207-0999389 | http://www.centos.org/ | twitter.com/CentOS GnuPG Key : http://www.karan.org/publickey.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iEYEARECAAYFAlGc/yAACgkQMA29nj4Tz1tOKgCggp9eQI15zSoIJVn1e4pML4ku HAMAoKh+Ld5mu6ZvTTM2jteDfkElKDVH =IH0z -----END PGP SIGNATURE----- ------------------------------ Message: 3 Date: Wed, 22 May 2013 23:58:43 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2013:0857 CentOS 6 qemu-kvm Update To: centos-announce(a)centos.org Message-ID: <20130522235843.GA31396(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2013:0857 Upstream details at : http://rhn.redhat.com/errata/RHBA-2013-0857.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: fe27ea8edcd66481e96cc65daf5d69c26a06ce251f15ee056ac820b3bce3c8bb qemu-guest-agent-0.12.1.2-2.355.0.1.el6.centos.3.i686.rpm x86_64: 69d528adf214da22f2d0371b6ab15c77d8e99eafae63f9def9e269636d101b9b qemu-guest-agent-0.12.1.2-2.355.0.1.el6.centos.3.x86_64.rpm c83e3410c035ea6e4e88f16c5b26656ba84316e8c0260abd8a3de0bbbde78e8c qemu-guest-agent-win32-0.12.1.2-2.355.0.1.el6.centos.3.x86_64.rpm 5a69c850ef9e55380dcc3e0c2b72bb7f9c365384f9892b96ccb0ddf5b3421710 qemu-img-0.12.1.2-2.355.0.1.el6.centos.3.x86_64.rpm 69ba558a43a5dd5462c0cb3a174a98dc54f87eaba90cb7e5bc5fd224dc0948a4 qemu-kvm-0.12.1.2-2.355.0.1.el6.centos.3.x86_64.rpm 3db5c8273f775ff3bea5836dcc396f3e886e6489a7819fdaa1430b017a2267b1 qemu-kvm-tools-0.12.1.2-2.355.0.1.el6.centos.3.x86_64.rpm Source: 4f865077cef2fad1d44522e253f5a67f203a7d5a1085bc8030b0312ddb745442 qemu-kvm-0.12.1.2-2.355.0.1.el6.centos.3.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ _______________________________________________ CentOS-announce mailing list CentOS-announce(a)centos.org http://lists.centos.org/mailman/listinfo/centos-announce End of CentOS-announce Digest, Vol 99, Issue 11 ***********************************************

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Re: [CentOS] Changing disk UUID after cloning
by Glenn Eychaner 22 May '13

22 May '13

On May 22, 2013, at 4:14 PM, Reindl Harald <h.reindl(a)thelounge.net> wrote: > Am 22.05.2013 21:58, schrieb Glenn Eychaner: >> So, I have a CentOS 6 system, and I want to make several clones of it. I'm using Clonezilla to clone the drives; that's no problem. But the drive UUIDs are driving me up the wall. After cloning, the two drives have the same UUID, but I'd like each clone to have different UUIDs so there's no possibility of a conflict when I am running diagnostics with two drives installed, etc. But when I change the UUID of the /boot or / partition (even if I update /etc/fstab), the system won't boot; it GRUBs OK (after I use recovery mode to rerun grub-install), but never gets to the 'Welcome to CentOS " message. Do I need to "rebless" vmlinuz or initrd or initramfs in the /boot partition if I change the drive UUID? > > for the inital boot /etc/fstab is *irrelevant* > logical thinking: if it can read it the partition is already mounted > > * at least GRUB config contains a line like "root=UUID=b935b5db-0051-4f7f-83ac-6a6651fe0988" Not on my system; CentOS 6 uses grub 0.97, and my grub.conf file doesn't contain any UUIDs that I can find. > * dracut / initramfs contains at least the UUID for /boot > * did yiou try "dracut -f" after the changes? That's probably the problem; I will make another attempt in the morning, if I decide that I care. I may simply decide that I don't care if I have duplicated UUIDs between workstations, if it becomes too much trouble to fix. :-) -G. -- Glenn Eychaner (geychaner(a)lco.cl) Telescope Systems Programmer, Las Campanas Observatory

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CentOS source rpm repository setup
by Toralf Lund 22 May '13

22 May '13

Hi. I thought I might set up my CentOS 6 system with a source rpm repository config, so that I'll be able to download srpm files via "yumdownloader --source" or similar. I'm thinking that in order to this, I have to add something like the following to the yum repos config: [base-source] name=CentOS-$releasever - Base (SRPMS) baseurl=http://mirror.centos.org/centos/$releasever/os/SRPMS gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6 #released updates [updates-source] name=CentOS-$releasever - Updates (SRPMS) baseurl=http://mirror.centos.org/centos/$releasever/updates/SRPMS gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6 The question is, what I specify as "baseurl"? The above does not actually work, as http://mirror.centos.org/ does not have SRPMS subdirectories, although I believe it did in the past for earlier versions. So, does anyone know of URLs I can use instead? Thanks, - Toralf This e-mail, including any attachments and response string, may contain proprietary information which is confidential and may be legally privileged. It is for the intended recipient only. If you are not the intended recipient or transmission error has misdirected this e-mail, please notify the author by return e-mail and delete this message and any attachment immediately. If you are not the intended recipient you must not use, disclose, distribute, forward, copy, print or rely on this e-mail in any way except as permitted by the author.

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donneé un image iso de centos .merci
by jalila fattach 22 May '13

22 May '13

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freenx not working with newly installed centos 6.4
by Natxo Asenjo 22 May '13

22 May '13

hi, this is not the same as http://bugs.centos.org/view.php?id=6298 I can login with ssh but not with freenx With 6.3 this worked, I just spinned some new servers and now I can no longer use freenx. in /var/log/messages: pr 3 22:05:11 testthuis nxserver[3435]: (nx) Failed login for user=admin from IP=192.168.0.160 Apr 3 22:06:01 testthuis nxserver[3619]: (nx) Failed login for user=admin from IP=192.168.0.160 Apr 3 22:06:52 testthuis nxserver[3818]: (nx) Failed login for user=admin from IP=192.168.0.160 in /var/log/nx/nxserver.log: -- NX SERVER START: -c /usr/bin/nxserver - ORIG_COMMAND= -- NX SERVER START: - ORIG_COMMAND= Info: Using fds #4 and #3 for communication with nxnode. HELLO NXSERVER - Version 3.2.0-74-SVN OS (GPL, using backend: not detected) NX> 105 hello NXCLIENT - Version 3.2.0 NX> 134 Accepted protocol: 3.2.0 NX> 105 SET SHELL_MODE SHELL NX> 105 SET AUTH_MODE PASSWORD NX> 105 login NX> 101 User: admin NX> 102 Password: Info: Closing connection to slave with pid 3761. NX> 404 ERROR: wrong password or login NX> 999 Bye My node.conf file is a copy of the node.conf.sample file, nothing changed. I do not want to use the nx database authentication but our ldap (ipa) authentication., this has always worked until now. I have temporarily set selinux in permissive mode but no difference. Can anyone else reproduce this? At work we have a mirror, so I tried at home with a manually installed centos and internet upgrades. No difference. TIA, -- Groeten, natxo

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Discuss May 2013