Discuss September 2013

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139 participants
128 discussions

Best Practice to remove an ISCSI LVM from a system
by Götz Reinicke - IT Koordinator 26 Sep '13

26 Sep '13

Hi, I'd like to know what would be the best way to remove an iscsi lvm storage from a server. (removing all reference to that storage etc.) The storage in question will be reset and reformated and used on a different server; so no LVM export is needed. Do I have to do lvremove ..., vgremove ..., pvremove ... and do an iscsiadm -m node -T ... -p ... -u and iscsiadm -m node -o delete -T ... -p ... in order to achieve that? Or is there some more simple way? Thanks for any suggestion and best regards . Götz -- Götz Reinicke IT-Koordinator Tel. +49 7141 969 82 420 Fax +49 7141 969 55 420 E-Mail goetz.reinicke(a)filmakademie.de Filmakademie Baden-Württemberg GmbH Akademiehof 10 71638 Ludwigsburg www.filmakademie.de Eintragung Amtsgericht Stuttgart HRB 205016 Vorsitzender des Aufsichtsrats: Jürgen Walter MdL Staatssekretär im Ministerium für Wissenschaft, Forschung und Kunst Baden-Württemberg Geschäftsführer: Prof. Thomas Schadt

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Re: [CentOS] php fopen ssl error
by Markus Falb 25 Sep '13

25 Sep '13

On 25.Sep.2013, at 19:58, Reindl Harald wrote: > > > Am 25.09.2013 18:39, schrieb Markus Falb: >> On 25.Sep.2013, at 13:57, Kai Schaetzl wrote: >> >>> This should really be directed at a PHP forum. I would suspect that >>> something with the server certificate is not ok. >> >> oh my, >> centos says it's php thing >> php says, what?, 5.1.6 is seven years old >> >> http://marc.info/?l=php-general&m=138011820514388 >> >> The backporting oath? > > any why do you not update your crap? > PHP 5.1 is irrelevant these days Now I am irritated. RHEL 5 is supported until 2017, so is CentOS 5, isn't it? It comes with php and it comes with php53. You tell me I am a crapper because I use php. I would have expected such things from the php mailing list, but on CentOS…. In other words, do not tell me on the CentOS Mailing List that I am dumb if I use a package provided by CentOS (that's silly) > that's why CentOS/RHEL provides 5.3 packages without break environments rely on 5.1 It really doesn't break? I cant believe that. -- Markus

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scanner only works in su mode
by Michael Hennebry 25 Sep '13

25 Sep '13

Apparently I hadn't done any scanning since my move to centos. hp-scan works for root, but not for me as me. When I try to use xsane, it tells me no device found. When I try to use hp-scan as myself it tells me: error: Unable to locate device hpaio:/usb/Photosmart_C3100_series?serial=CN6ARC321S04KV using SANE backend hpaio:. Please check HPLIP installation. What do I change to make it let me use xsane or hp-scan as myself? This is what I get when scanning as root: [root@localhost tmp]# hp-scan -o fred.png warning: hp-scan should not be run as root/superuser. HP Linux Imaging and Printing System (ver. 3.12.4) Scan Utility ver. 2.2 Copyright (c) 2001-14 Hewlett-Packard Development Company, LP This software comes with ABSOLUTELY NO WARRANTY. This is free software, and you are welcome to distribute it under certain conditions. See COPYING file for more details. Using device: hpaio:/usb/Photosmart_C3100_series?serial=CN6ARC321S04KV Using device hpaio:/usb/Photosmart_C3100_series?serial=CN6ARC321S04KV Opening connection to device... Resolution: 300dpi Mode: gray Compression: JPEG Scan area (mm): Top left (x,y): (0.000000mm, 0.000000mm) Bottom right (x,y): (215.899994mm, 296.925995mm) Width: 215.899994mm Height: 296.925995mm Destination(s): file Output file: /tmp/fred.png Warming up... Scanning... Expecting to read 8.5 MB from scanner. Reading data: [******************************************] 100% 8.5 MB Read 8.5 MB from scanner. Closing device. Outputting to destination 'file': Saving to file /tmp/fred.png Done. BTW it lied about the compression. It gave me png. -- Michael hennebry(a)web.cs.ndsu.NoDak.edu "On Monday, I'm gonna have to tell my kindergarten class, whom I teach not to run with scissors, that my fiance ran me through with a broadsword." -- Lily

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php fopen ssl error
by Markus Falb 25 Sep '13

25 Sep '13

Hi, With CentOS php53 I get an SSL Error <?php $handle = fopen("https://maps.google.com", "r"); $contents = stream_get_contents($handle); fclose($handle); ?> will result in something like Warning: stream_get_contents(): SSL: fatal protocol error in bla.php on line 3 Some https pages do not raise this error, e.g. https://www.redhat.com is fine What is wrong? How to debug? -- Markus

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Looking for input SELinux/Other & post-commit hooks.
by James A. Peltier 25 Sep '13

25 Sep '13

Hi All, I'm looking for input as to how I may restrict some post commit hooks by way of SELinux or some other mechanism. Here's a description of the problem that I need to solve. I have a source code server that support SVN and soon git. The server has no actual users on it and we use CAS with Apache basic authentication to authenticate and authorize users access to the repository. This server mounts two NFS shares, one for the mirror environment for HTTP based installations and another NFS share for our Puppet environment. There is a corresponding source repository and NFS share for each "user" of the system as well as corresponding NFS shares for mirror and puppet. All the content is owned by the user Apache. Each time a user commits scripts are run to check this code out of the source code server and into a respective /mirror/<repotype>/<reponame> /puppet/<repotype>/<reponame> But there are other bits of code that the end user would like to also be able to run, such as generating group information based on the content of a file that was committed manual pruning of some arbitrary data and other things that I don't want to account for in code. Essentially allowing them to extend the system further for their needs. This means that I need to ensure that a user isn't able to run code like rm -rf /etc/password or rm -rf /{mirror,puppet}/* which would essentially ruin everyone's data. What I essentially would like to do is ensure that if someone were to attempt to run any of the third party code that the permissions for that run would be within the context of their own areas so that the most damage they could do is wipe out the content of their /mirror/<repotype>/<reponame> & /puppet/<repotype>/<reponame> while not having to setup and destroy a (potentially) large chroot environment each time the script is run. -- James A. Peltier Manager, IT Services - Research Computing Group Simon Fraser University - Burnaby Campus Phone : 778-782-6573 Fax : 778-782-3045 E-Mail : jpeltier(a)sfu.ca Website : http://www.sfu.ca/itservices “A successful person is one who can lay a solid foundation from the bricks others have thrown at them.” -David Brinkley via Luke Shaw

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Dual Boot Windows 8 & CentOS 6.4
by amit joshi 25 Sep '13

25 Sep '13

Hi, I am studying for the RHCSA Exam and wanted to install CentOS 6.4 alongside Windows 8. I got a new laptop with a processor that supports virtualization. I am planning to remove all the recovery partitions after backing up all drivers etc. on them. Lets see how it works out. Any caveats I should know about? Regards adj

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Re: [CentOS] Run one-time startup script
by Kai Schaetzl 25 Sep '13

25 Sep '13

Reindl Harald wrote on Fri, 20 Sep 2013 14:32:46 +0200: > /etc/rc.d/rc.local Thanks for all the answers. First, I omitted to explicitely state that these are web servers. There is no dhcp, only one or, in a few cases, a few IP static IP addresses. Mostly Centos 5. Changing the data is *not* the problem. As already said this will mostly be done by replacing config files (cp -a, not mv, this assures it can be done even more than once without a problem, replacement operations in files always ask for trouble if something non-standard happens, not to mention one has to code this - it's easier just to provide the correct new files), and by reading in a sql command that replaces an IP address in some tables. The big question is when and how to do this. rc.local seems to be a good place for reading in the sql command. But it doesn't seem to be a good place for all the other commands, especially the initial network setup. It's executed *after* all ini stuff is done, e.g. all daemons and network are started. Problem is that some network services may hang the whole machine for a minute or longer if they cannot establish networking (which would be the case with wrong data either for the ifcfg files or the config file of the daemon). At the moment I know of only one daemon which behaves this way (bigsister), but I may have forgotten about others. I don't want to wait until the timeout kicks in, the init continues and rc.local eventually issues a service network restart. So, I would rather do all the "replace file" operations before any of that init stuff gets done. Is this possible without much ado? Or should I rather do the "replace file" operations at shutdown (how, when?) and execute only the sql command from rc.local? Google suggests a file /etc/rc.shutdown (or rc.local.shutdown?) which, if I understand correctly, would be carried out after the init stuff for the shutdown (rc0) has been done. Kai

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unsubscribe
by Sajesh Singh 25 Sep '13

25 Sep '13

2 1

CentOS-announce Digest, Vol 103, Issue 15
by centos-announce-request＠centos.org 25 Sep '13

25 Sep '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-2013:1277 CentOS 5 ghostscript Update (Karanbir Singh) 2. CESA-2013:1282 Important CentOS 6 rtkit Update (Karanbir Singh) ---------------------------------------------------------------------- Message: 1 Date: Tue, 24 Sep 2013 13:44:18 +0000 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CEBA-2013:1277 CentOS 5 ghostscript Update To: centos-announce(a)centos.org Message-ID: <20130924134418.GA32390(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2013:1277 Upstream details at : https://rhn.redhat.com/errata/RHBA-2013-1277.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 906a6aceca2477f887ee3575183f13453b3dbbc86479e8566d8a74ef7d27d901 ghostscript-8.70-15.el5_9.3.i386.rpm eb367a0fff773e34e3ff6649fd519972d0fded9c0b2fd137eac49ec5f391c2fb ghostscript-devel-8.70-15.el5_9.3.i386.rpm e342ad31e0ff8163fa8b463fc4fe4eff25916984e01102b2cef553069bb9c778 ghostscript-gtk-8.70-15.el5_9.3.i386.rpm x86_64: 906a6aceca2477f887ee3575183f13453b3dbbc86479e8566d8a74ef7d27d901 ghostscript-8.70-15.el5_9.3.i386.rpm 5e257787ba29ca72fd232a4b63cd9bb1569dbc2dfd4d8b088f04a693866f0014 ghostscript-8.70-15.el5_9.3.x86_64.rpm eb367a0fff773e34e3ff6649fd519972d0fded9c0b2fd137eac49ec5f391c2fb ghostscript-devel-8.70-15.el5_9.3.i386.rpm 3a7bece574372d665912a46e650bbbc715106cee3f3168d47098fee70bf3d642 ghostscript-devel-8.70-15.el5_9.3.x86_64.rpm 134bca10c12b90200d3ff2970838b6fc7058bc9edac37cf085c4ccf948fb4d25 ghostscript-gtk-8.70-15.el5_9.3.x86_64.rpm Source: 64dcaf5a0de30cc5d34ca79ee6e2d2bdaee1716b93f9ef5260a2fb12ca43b073 ghostscript-8.70-15.el5_9.3.src.rpm -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Tue, 24 Sep 2013 20:31:04 +0000 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CESA-2013:1282 Important CentOS 6 rtkit Update To: centos-announce(a)centos.org Message-ID: <20130924203104.GA25345(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2013:1282 Important Upstream details at : https://rhn.redhat.com/errata/RHSA-2013-1282.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: f9adad489bc9bc5fe4b82a400059ef87d5c7663d08e4607779d075772d42b1df rtkit-0.5-2.el6_4.i686.rpm x86_64: 9838626edb2a8f72b85c9610500a9e27b456c23c2bd3de5a41db96df99071082 rtkit-0.5-2.el6_4.x86_64.rpm Source: 7d55168f15c69ff83b8ba40387b3a5935e5266cb220b30d31ec902120b640b17 rtkit-0.5-2.el6_4.src.rpm -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #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 103, Issue 15 ************************************************

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x2go (vs. freenx)?
by Les Mikesell 24 Sep '13

24 Sep '13

Is anyone using x2go on Centos - and if so, is there any reason to think about switching from freenx? The old NX client for mac was a powerpc binary and is no longer supported under mountain lion - and their new alpha release crashed my mac after an OSX update so I'm curious if there is anything better around. (And I didn't like the way the new mac version changed the screen scaling instead of resizing when you tried to change the window size, but maybe I just didn't know how to do it). -- Les Mikesell lesmikesell(a)gmail.com

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