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Triggering script from cron or web client
by Kenneth Porter 09 Jul '11

09 Jul '11

I have a Bash script, currently run a couple times an hour from cron, that pulls data from an old Windows DB by rsync, converts it to SQL, and injects it into a MySQL DB for display in a LAMP-based app. (Make and Perl are also involved to minimize the number of tables touched and to clean up the SQL generated by Pxlib.) I'd like to add the ability to refresh the data immediately from the web app, but I don't want it to trample on the periodic script and corrupt the data. I figure the ideal way to do this is to run the script in a loop in its own process, waiting on a semaphore that times out at the refresh period, and poke the semaphore from the web app to have it run before the next periodic cycle. Are there existing frameworks to wrap this kind of thing in? Something that handles starting the loop at server startup, shutting it down at server halt, and handles the IPC between the web server and the service script.

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Is it safe to run tune2fs -c -1 -i 0 /dev/sda2 on mounted file system
by Sherin George 09 Jul '11

09 Jul '11

Hi, Is it safe to run tune2fs -c -1 -i 0 /dev/sda2 on mounted file system Basically, this is a command to disable fsck based on reboot count & last fsck time. -- Regards, Sherin

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There ain't a CentOS autotools bug!
by John J. Boyer 08 Jul '11

08 Jul '11

Lars Hecking found the problem. Quitge some time ago configure.ac had been edited in Windows. This left dos line breaks. When I removed these liblouisutdml built fine. John -- John J. Boyer; President, Chief Software Developer Abilitiessoft, Inc. http://www.abilitiessoft.com Madison, Wisconsin USA Developing software for people with disabilities

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java annoyances
by m.roth＠5-cent.us 08 Jul '11

08 Jul '11

Fresh install on a brand new box (Dell Precision 3500) of 5.6. I install Sun java-1.6.0_26-b03, Java HotSpot(TM) 64-Bit Server VM (build 20.1-b02, mixed mode) <snip> A followup: from Oracle's website, at <http://www.oracle.com/technetwork/java/javase/manual-plugin-install-linux-1…>: Excerpt: Notes * The classic plugin file was located here: <JRE>/plugin/i386/javaplugin-oji.so This file should no longer be used and all symbolic links to it removed. --- end excerpt --- mark

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java annoyances
by m.roth＠5-cent.us 08 Jul '11

08 Jul '11

Fresh install on a brand new box (Dell Precision 3500) of 5.6. I install Sun java-1.6.0_26-b03, Java HotSpot(TM) 64-Bit Server VM (build 20.1-b02, mixed mode) Then ln -s /usr/lib/jvm/java-1.6.0-sun-1.6.0.26.x86_64/jre/lib/amd64/libnpjp2.so /usr/lib64/mozilla/plugins about:plugins shows java enabled (oddly enough, I seem to have flash, 32-bit, in the 32 bit libs, and that doesn't show; guess I need to install nspluginwrapper). I go to the java tester, as recommended on the CentOS wiki, <http://javatester.org/version.html>, no pink rectangle, and if I click on the enabled link, firefox crashes, with firefox --no-remote -P Exception in thread "main" java.lang.NoClassDefFoundError: sun/plugin2/main/server/MozillaPlugin Caused by: java.lang.ClassNotFoundException: sun.plugin2.main.server.MozillaPlugin at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) Segmentation fault Anyone got any ideas what's wrong? Clues for the poor? mark

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Bug in CentOS Autotools
by John J. Boyer 08 Jul '11

08 Jul '11

You saw my previous message about a strange error. I've tried many times to get autotools working on CentOS. It's the only distro in which I have had problems. How do i bring this to the attention of those who make the decisions? Thanks, John -- John J. Boyer; President, Chief Software Developer Abilitiessoft, Inc. http://www.abilitiessoft.com Madison, Wisconsin USA Developing software for people with disabilities

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CentOS-announce Digest, Vol 77, Issue 3
by centos-announce-request＠centos.org 08 Jul '11

08 Jul '11

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. CESA-2011:0926 Important CentOS 5 i386 bind97 Update (Karanbir Singh) 2. CESA-2011:0926 Important CentOS 5 x86_64 bind97 Update (Karanbir Singh) ---------------------------------------------------------------------- Message: 1 Date: Thu, 7 Jul 2011 22:46:35 +0000 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CESA-2011:0926 Important CentOS 5 i386 bind97 Update To: centos-announce(a)centos.org Message-ID: <20110707224635.GA27241(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2011:0926 Important Upstream details at : https://rhn.redhat.com/errata/RHSA-2011-0926.html The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename ) i386: fb1ad27dc82f21591f327896de283f78 bind97-9.7.0-6.P2.el5_6.3.i386.rpm 0fe780e669281a1e6d83bc35c8564d06 bind97-chroot-9.7.0-6.P2.el5_6.3.i386.rpm 63023c77523304b123b3721a0efb43b6 bind97-devel-9.7.0-6.P2.el5_6.3.i386.rpm 0c86bd301550f2a6122c18e74755e5dc bind97-libs-9.7.0-6.P2.el5_6.3.i386.rpm 03fc3213ae162d55687a060a25aee659 bind97-utils-9.7.0-6.P2.el5_6.3.i386.rpm Source: 1ed5f2591dc468dd0f4faf194564449a bind97-9.7.0-6.P2.el5_6.3.src.rpm -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Thu, 7 Jul 2011 22:46:36 +0000 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CESA-2011:0926 Important CentOS 5 x86_64 bind97 Update To: centos-announce(a)centos.org Message-ID: <20110707224636.GA27257(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2011:0926 Important Upstream details at : https://rhn.redhat.com/errata/RHSA-2011-0926.html The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename ) x86_64: 82bd9fe43147a2dab3ef2dcd2e8cc70b bind97-9.7.0-6.P2.el5_6.3.x86_64.rpm bb8cd2f52f0cc66ee9cad293592fe33e bind97-chroot-9.7.0-6.P2.el5_6.3.x86_64.rpm 699cb4025a2557488dec09bcc60bd47c bind97-devel-9.7.0-6.P2.el5_6.3.i386.rpm c5f8e230dd99fc7d965f1d1836f611fa bind97-devel-9.7.0-6.P2.el5_6.3.x86_64.rpm be26183e301c046978a6712e686da092 bind97-libs-9.7.0-6.P2.el5_6.3.i386.rpm 7fb500cb9ae81ecffbf8913980d82eb8 bind97-libs-9.7.0-6.P2.el5_6.3.x86_64.rpm ed7c86988b1c60f674d8486c3f1544f3 bind97-utils-9.7.0-6.P2.el5_6.3.x86_64.rpm Source: 1ed5f2591dc468dd0f4faf194564449a bind97-9.7.0-6.P2.el5_6.3.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 77, Issue 3 **********************************************

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Bind DDNS updates
by Joseph L. Casale 08 Jul '11

08 Jul '11

So according to the Bind arm, `rndc freeze zone ...` should drop the jrn file and flush its deltas. I have tested this and it's not updating the master on my 5.6 box with bind-9.3.6, it drops the jrn and discards the deltas after an unfreeze|thaw. A service restart behaves as expected. Anyone know what's up with that, is it fixable? I don't really have the time to update to 9.7 if that's a possible fix. Thanks, jlc

2 1

Changing Host Name
by John J. Boyer 08 Jul '11

08 Jul '11

Thanks to all of you who are answering my dumb questions about my new CentOS instgallation. I modified /etc/hosts, as the hostname man page seemed to suggest, and rebooted. The hostname is still localhost. I want to change it to jjb-centos. I also want to change the domain name to abilitiessoft.com Thanks, John -- John J. Boyer; President, Chief Software Developer Abilitiessoft, Inc. http://www.abilitiessoft.com Madison, Wisconsin USA Developing software for people with disabilities

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Quota (and disk usage) is incorrectly reported on nfs client mounting XFS filesystem
by Julie Ashworth 07 Jul '11

07 Jul '11

hi all, I hope you can help me with a strange quota/nfs/XFS behavior... I'm using Centos 5.6 on both a nfs server and client. Both are 64-bit, and using a recent kernel: NFS server: Linux fs2.priv 2.6.18-238.12.1.el5 #1 SMP Tue May 31 13:22:04 EDT 2011 x86_64 x86_64 x86_64 GNU/Linux NFS client: Linux nx8.priv 2.6.18-238.12.1.el5 #1 SMP Tue May 31 13:22:04 EDT 2011 x86_64 x86_64 x86_64 GNU/Linux The NFS server is exporting a XFS filesystem: Filesystem Size Used Avail Use% Mounted on /dev/mapper/vgXX-lvXX 24T 16T 8.2T 66% /export User foo (for anonymity) added ~3TB of data in the last 2-3 days. On the NFS server, her quota is reported as ~5.8 TB: Disk quotas for user foo (uid 1314): Filesystem blocks quota limit grace files quota limit grace /dev/mapper/vgXXX-lvXXX 6129681348 7490000000 0 6991914 0 0 On a NFS client, her quota is reported as ~1.8TB: Disk quotas for user foo (uid 1314): Filesystem blocks quota limit grace files quota limit grace fs2:/XXXXX 1831504512 3195032704 0 6988049 0 0 When I modify her quota on the NFS sever, it's not reflected on the NFS client. This problem is specific user foo. There are about 20 other users with quotas on this NFS server, and if I change one of their quotas, the quota/usage is correctly (and instantly) reflected on the NFS client. rpc.quotad is configured to use port 875, and I can see this is working with strace. And tcpdump shows an established connection: 16:50:04.480757 IP nx8.priv.pssc > fs2.priv.875: UDP, length 116 16:50:04.481015 IP fs2.priv.875 > nx8.priv.pssc: UDP, length 68 Any ideas? Thanks! Best, Julie -- Julie Ashworth <julie.ashworth(a)berkeley.edu> http://www.neuro.berkeley.edu PGP Key ID: 0x17F013D2

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