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Re: [CentOS] Still won't boot - Re: remote yum update aborted with session closing - won't boot
by Robert Moskowitz 02 Jul '14

02 Jul '14

On 07/02/2014 09:35 AM, Reindl Harald wrote: > > Am 02.07.2014 15:19, schrieb Robert Moskowitz: >> On 07/02/2014 08:41 AM, Reindl Harald wrote: >>> Am 02.07.2014 14:32, schrieb Robert Moskowitz: >>>> On 07/01/2014 06:25 PM, Frank Cox wrote: >>>>> On Tue, 01 Jul 2014 18:19:32 -0400 >>>>> Robert Moskowitz wrote: >>>>> >>>>>> How do I trouble shoot this? I am assuming that I only got a partially >>>>>> completed update. >>>>> Try yum-complete-transaction and see what happens. >>>> Well it looks like all the updates 'took' /etc/redhat-release now >>>> reports ver 6.5. >>>> >>>> But still getting a kernel panic and boot failing. I can fall back to >>>> the prior kernel and it will boot. So I tried to copy the lines off the >>>> monitor, as nothing is getting logged: >>>> >>>> IOMMU: failed to mpa dmn 0 >>>> kernel panic - not syncing: VFS: Unable to mount root fs on >>>> unknown_block (0,0) >>>> Pid:1, comm swapper Tainted: G -------------} 2.6.32-431.20.3.el6.i686 #1 >>>> >>>> then a a number of dump lines. >>>> >>>> The kernel that is working (only other one listed in menu) is: >>>> 2.6.32-279.22.1.el6.i686 >>> why don' t you just remove any package from the new kernel >>> which don't work anyways and after that "yum upgrade" again? >> Always can count on you for good insight, Harald. > that's why i am not allowed to post on this list :-) Why does this not supprise me? > >> But how do I determine what package from the new kernel is not working to erase and reinstall? If I erase it, will >> yum upgrade really fix it? Do I erase the new kernel then install it again? > frankly you asking what i have said and even quote it For you it is clear what 'broken means'. I have the same problem talking secure identities inside my company. It is clear to me, but others just miss the important points. And you get frustrated going back to 'basic principles' and teaching them again.... So thanks for putting up with me, who rarely has to dig into these parts of systems. > >> But how do I determine what package from the new kernel > no idea what is unclear in "remove any package from the new kernel" > which maybe kernel, kernel-headers, kernel-devel..... Ah, perhaps my dyslexia, but I was wondering what drivers or other things I might have to contend with. If it is 'just' kernel* I can deal with that. > >> Do I erase the new kernel then install it again > i said: and after that "yum upgrade" again > > man if you remove that broken packages a "yum upgrade" pulls them simply as if > they where never be installed and the rpmscripts will generate a new initrd > Again, a bit of 'magic' here that 'yum upgrade' knows what should be present and sees to it that these packages get installed. Again, thinking that more than kernel* would need to be removed, then how would it get reinstalled? So off I go try again. The box had been off for a year; it was a DNSSEC tester (I need to replace my router(s), I think to get DNSSEC working right, and that project is on hold). So it was quite back-leveled. If I end up needing to do a reinstall because I stumbled, so be it as a learning lesson.

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Re: [CentOS] Still won't boot - Re: remote yum update aborted with session closing - won't boot
by Robert Moskowitz 02 Jul '14

02 Jul '14

On 07/02/2014 08:41 AM, Reindl Harald wrote: > > Am 02.07.2014 14:32, schrieb Robert Moskowitz: >> On 07/01/2014 06:25 PM, Frank Cox wrote: >>> On Tue, 01 Jul 2014 18:19:32 -0400 >>> Robert Moskowitz wrote: >>> >>>> How do I trouble shoot this? I am assuming that I only got a partially >>>> completed update. >>> Try yum-complete-transaction and see what happens. >> Well it looks like all the updates 'took' /etc/redhat-release now >> reports ver 6.5. >> >> But still getting a kernel panic and boot failing. I can fall back to >> the prior kernel and it will boot. So I tried to copy the lines off the >> monitor, as nothing is getting logged: >> >> IOMMU: failed to mpa dmn 0 >> kernel panic - not syncing: VFS: Unable to mount root fs on >> unknown_block (0,0) >> Pid:1, comm swapper Tainted: G -------------} 2.6.32-431.20.3.el6.i686 #1 >> >> then a a number of dump lines. >> >> The kernel that is working (only other one listed in menu) is: >> 2.6.32-279.22.1.el6.i686 > why don' t you just remove any package from the new kernel > which don't work anyways and after that "yum upgrade" again? Always can count on you for good insight, Harald. But how do I determine what package from the new kernel is not working to erase and reinstall? If I erase it, will yum upgrade really fix it? Do I erase the new kernel then install it again? > > your update was interrupted so the RPM scripts never finished a > nd so no initrd created or the interrupt was in the middle of > create the initrd which is now broken > > that's nothing which can be fixed with just continue the transaction >

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gdb question
by Les Mikesell 01 Jul '14

01 Jul '14

If you are trying to debug a core dump from a different machine, how do you tell gdb where to look for the debug info files to match the shared libs that you have in a non-standard location? It finds the shared libs themselves with a 'set solib-absolute-path' directive, but it doesn't look for the corresponding (relative) usr/lib/debug/... file that you get if you extract the debuginfo rpm in the same place. And if I set debug-file-directory to the top of the tree, it wants to also add the solib-absolute-path to that. Is there some way to make it realize that the top of the tree is the same for both? -- Les Mikesell lesmikesell(a)gmail.com

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Miredo for Centos
by Robert Moskowitz 01 Jul '14

01 Jul '14

Is the Miredo server available for Centos? A quick check of 'yum install miredo*" came up empty. I have miredo for Fedora 20, but I want the server to be Centos... thank you.

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CentOS-announce Digest, Vol 113, Issue 1
by centos-announce-request＠centos.org 01 Jul '14

01 Jul '14

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-2014:0806 CentOS 6 gnupg2 FASTTRACK Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Mon, 30 Jun 2014 12:21:04 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2014:0806 CentOS 6 gnupg2 FASTTRACK Update To: centos-announce(a)centos.org Message-ID: <20140630122104.GA43196(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2014:0806 Upstream details at : https://rhn.redhat.com/errata/RHBA-2014-0806.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: cc899e37a6629404af5e11bc04e9e2b37c822a849d665e37d455b0f82f8dec2f gnupg2-2.0.14-8.el6.i686.rpm 3440468c520bcc8164c90cda156a02fab9ea9203a43897a6d8862c9141253cd6 gnupg2-smime-2.0.14-8.el6.i686.rpm x86_64: 78113fea0eda249fd9c7666228dc73c1dd4af842929c72b692e21646ed0cd9e3 gnupg2-2.0.14-8.el6.x86_64.rpm ee0bb8c5066bfb55269f8318ba40db62650ff03562ab43310ad7f008b3af78d7 gnupg2-smime-2.0.14-8.el6.x86_64.rpm Source: 0022c55626b4cfd32c5616a3509ab2704a336897cd7b01c25a7ba7de9a2fa750 gnupg2-2.0.14-8.el6.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 113, Issue 1 ***********************************************

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Google Hangout Plugin Does Not Work For Other Users
by Mark LaPierre 01 Jul '14

01 Jul '14

Hey All, I've got the Google Talk plugin installed at: File: libnpgoogletalk.so Path: /opt/google/talkplugin/libnpgoogletalk.so Version: State: Enabled Version: 5.4.2.0 And the Google Talk Plugin Video Renderer at: File: libnpo1d.so Path: /opt/google/talkplugin/libnpo1d.so Version: State: Enabled Version: 5.4.2.0 When I start of join a Google Hangout all works as expected for me. When another user on my system tries to start/join a Hangout she gets an error telling her that the plugin is not installed. When I check "about:plugins" under her login it says that the plugin is installed in the same location/version. I checked the file access settings and found all is set as expected, 755, on the plugin and it's directories all the was down to root. -rwxr-xr-x. 1 root root 273496 Jun 7 17:38 libnpgoogletalk.so -rwxr-xr-x. 1 root root 229784 Jun 7 17:38 libnpo1d.so Shouldn't this work system wide? If I try to install the plugin as firefox seems to think I should I'm told that I already have the pluging installed, which is true. Does anyone have a clue why it's refusing to start? -- _ °v° /(_)\ ^ ^ Mark LaPierre Registered Linux user No #267004 https://linuxcounter.net/ ****

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GUI Question
by Deno Sayangda Dangpaliw 01 Jul '14

01 Jul '14

Hi, There's something weird happening to my CentOS VMs, cannot switch back to GUI. Black screen with a single underscore character at top left of the screen. Ok so I have ESXI 5.1 host, with 3 VM all running CentOS. I rebooted the esxi host yesterday for a power maintenance. All went well... until I switched console on the vms. I was able to login using the GUI, then I pressed Alt F5, then I was sent to the text console... I usually do this to save energy. I did the same for all the Centos vm... now I wanted to switch back to GUI but I can't. I even pressed all the keys from F1 to F12 but were not able to get back to the GUI for all the VMs. Can you please advise where Im missing? Regards, Deno

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Re: [CentOS] SELinux context for web application directories
by m.roth＠5-cent.us 30 Jun '14

30 Jun '14

Not sure if this got through - nixspam was being aggravating, so I'm reposting. James B. Byrne wrote: > CentOS-6.5 > We deploy web applications written with the Ruby on Rails framework using Capistrano (2.x). Each 'family' of web applications are 'owned' by a dedicated user id. The present httpd service is Apache 2.2.15 and we use Passenger 3.0.11. We are moving shortly to a new deployment host and at that > time we will be updating to Apache 2.4.9 and Passenger 4..0.25. > Our deployment practice is to place the 'family' directory under /var/data/. > This is the home directory of the application user id. We place each individual web application or component into its own directory underneath the > family root. So that things look like this: passenger_exec_t, etc. <http://linuxmanpages.net/manpages/fedora17/man8/passenger_selinux.8.html> And if you google anything else, note: DO NOT USE CHCON; it does *NOT* remain following a reboot. Use semanage fcontext (and the manpage example is what I use all the time), followed by a restorecon -Rv mark

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Re: [CentOS] SELinux context for web application directories
by James B. Byrne 30 Jun '14

30 Jun '14

On Sun, June 29, 2014 06:59, Daniel J Walsh wrote: > > On 06/27/2014 11:47 AM, James B. Byrne wrote: >> CentOS-6.5 >> >> The questions I have are: What is an appropriate SELinux context for such a >> directory structure given it is used by a httpd service? Is the default >> user >> home setting of system_u:object_r:home_root_t acceptable? Is >> system_u:object_r:httpd_sys_content_t preferable instead? is some other >> SELinux context preferred for RoR web applications using Apache with >> mod-passenger? >> >> > I would think that httpd_sys_content_t and httpd_sys_rw_content_t would > be appropriate. > These are not real user accounts, meaning normal users do not login to > these systems. Does it matter that the application user has to login so that the capistrano deply receipes will run correctly? Also this deploy makes use of rbenv which is another user login dependent item (requires a shim in .bash_profile). Does that have any impact on the choice? Finally, and only peripherally related, what are the SELinux settings, boolean or profile, required on CentOS-6.5 to get Apache mod-passenger to run without generating avc's? -- *** E-Mail is NOT a SECURE channel *** James B. Byrne mailto:ByrneJB@Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3

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3D Acceleration with Matrox MGA G200EH?
by Dave Johansen 30 Jun '14

30 Jun '14

I'm running on a machine with a Matrox MGA G200EH but it doesn't appear that the 3D acceleration is being used (for example Google Earth lists the driver as being Mesa). Is there an additional driver that I need to install to enable the 3D acceleration functionality? Or something else I need to do? Thanks, Dave

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