Discuss November 2012

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126 participants
132 discussions

Memcached - replication?
by Rafał Radecki 09 Nov '12

09 Nov '12

Hi all. I am thinking about installing memcached with replication, I've found http://sourceforge.net/projects/repcached/files/repcached/2.2.1-1.2.8/ but it is for 1.2.8, and for Centos 6.3 memcached is in version 1.4.4. I do not want to use client side "replication" (writing to two memcached nodes at the same time) and haven't found other solution. Are there any good, protocol compatible solutions? What do you think about couchbase? Best regards, Rafal.

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Installing Java 7 on a system with Java 6
by John J. Boyer 09 Nov '12

09 Nov '12

My system is 5.6, with upgrades. I installed Java 6 from the Centos repository. It doesn't seem to have Java 7. I need the development package. How can I install Java 7 development safely? I imagine I will first have to uninstall Java 6. 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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Re: [CentOS] apcupsd
by m.roth＠5-cent.us 09 Nov '12

09 Nov '12

I wrote: >Stephen Harris wrote: >> On Tue, Nov 06, 2012 at 04:56:20PM -0500, m.roth(a)5-cent.us wrote: >>> Anyone else around using apcupsd? I seem to be seeing a problem, and I'd > <snip> >> apccontrol isn't flagged as a config file in the rpm <snip> >> The script says > >> # WARNING: the apccontrol file will be overwritten every time you update your >> # apcupsd, doing `make install'. Your own customized scripts will _not_ be >> # overwritten. If you wish to make changes to this file (discouraged), you >> # should change apccontrol.sh.in and then rerun the configure process. > >> If you can't change apcupsd.conf config to meet your needs then _don't_ >> change apccontrol; add a custom script that does an "exit 99" to prevent >> the shutdown from running. > It looks like you're right... EXCEPT that you missed the part about changing > apccontrol.sh.in, which appears to me to be something you get if you build <snipo> Ok, finally had time to go back and read carefully. And then, with a little googling, saw someone else's reaction as the same as mine: apccontrol has a *lot* of options. Does this mean that I need to write a script names poweroff so that it doesn't shut down, *and* have symlinks to that from loadlimit, runlimit, doreboot, onbattery, failing, and timeout? If so, that's ugly.... mark

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CentOS-announce Digest, Vol 93, Issue 6
by centos-announce-request＠centos.org 09 Nov '12

09 Nov '12

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-2012:1437 CentOS 5 util-linux Update (Johnny Hughes) 2. CEBA-2012:1435 CentOS 6 usbredir Update (Johnny Hughes) 3. CESA-2012:1434 Critical CentOS 6 icedtea-web Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Thu, 8 Nov 2012 20:03:35 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2012:1437 CentOS 5 util-linux Update To: centos-announce(a)centos.org Message-ID: <20121108200335.GA7064(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2012:1437 Upstream details at : https://rhn.redhat.com/errata/RHBA-2012-1437.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 42ab9f6412d0694919f4f72a62e6fab80c4d79a65c17a451a01a32f2b674c081 util-linux-2.13-0.59.el5_8.i386.rpm x86_64: 58fc0bc7c9af8fed76c2d6994692fbff574a282d54546a2e44f884cb81170321 util-linux-2.13-0.59.el5_8.x86_64.rpm Source: f2dd9b997f9bc5f0cf86199eb3ec8d30b54605feeeb4bfe74a8b0c334387b8b8 util-linux-2.13-0.59.el5_8.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Thu, 8 Nov 2012 20:06:24 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2012:1435 CentOS 6 usbredir Update To: centos-announce(a)centos.org Message-ID: <20121108200624.GA7245(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2012:1435 Upstream details at : https://rhn.redhat.com/errata/RHBA-2012-1435.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 295837ed2368f49a2f5a04f21dd05f4a78a1717bca5bcf319e276b122f6074d5 usbredir-0.4.3-1.el6_3.i686.rpm d2f98b86f0cf8e7eefae9b9d70f305e4aca749b8c698a3ebde9b3be0f59e6d91 usbredir-devel-0.4.3-1.el6_3.i686.rpm 8a04f08626533547150c679f3b8f52024765a02cf2ec3a237c0e7e4e50ae1817 usbredir-server-0.4.3-1.el6_3.i686.rpm x86_64: 295837ed2368f49a2f5a04f21dd05f4a78a1717bca5bcf319e276b122f6074d5 usbredir-0.4.3-1.el6_3.i686.rpm 4a430a239afa9914eb3ba2a556d5d3fd45c21cbff7f21a3a358b78fed318f5cf usbredir-0.4.3-1.el6_3.x86_64.rpm 132784150e5811b83d69311262f678f58c036b8bb597b40092725bb126133e9c usbredir-devel-0.4.3-1.el6_3.x86_64.rpm baa9feedf7b1ec13cc558fc0c2f53e2078e08c6c147ac1e8fb64a92dbe932c7d usbredir-server-0.4.3-1.el6_3.x86_64.rpm Source: 27afe988725a20a6043587adff001b7c9604db13371334e32914aef5f89b6d24 usbredir-0.4.3-1.el6_3.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 3 Date: Thu, 8 Nov 2012 20:06:41 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2012:1434 Critical CentOS 6 icedtea-web Update To: centos-announce(a)centos.org Message-ID: <20121108200641.GA7303(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2012:1434 Critical Upstream details at : https://rhn.redhat.com/errata/RHSA-2012-1434.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: bcbcf08f6eb5fc1a466406fd59e0ce765904a9ce9f28c238c5ced957dad7803b icedtea-web-1.2.2-1.el6_3.i686.rpm cc87f1f2575dbd353be112d4641a4ab49e21f12c845274fb035e5d536d86dfee icedtea-web-javadoc-1.2.2-1.el6_3.i686.rpm x86_64: 1b99dce40efed75a65b798de18a80685a771b4afd1f38c2ae8641e11c39cd8d7 icedtea-web-1.2.2-1.el6_3.x86_64.rpm 978fe1a1e6d77e2ea6494f8983209d47af716bea59d37acd3f14af1c7a1061bb icedtea-web-javadoc-1.2.2-1.el6_3.x86_64.rpm Source: 7fdd2aaef13aff4a5993c5fc698544ff0eb1cd4d0f327e7f78cfdc2498de1bca icedtea-web-1.2.2-1.el6_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 93, Issue 6 **********************************************

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Re: [CentOS] Centos 6: Dell GX270 fails to power down (but reboots)
by Rainer Traut 09 Nov '12

09 Nov '12

Am 08.11.2012 11:12, schrieb Sorin Srbu: > -----Original Message----- > From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On Behalf > Of Rainer Traut > Sent: den 8 november 2012 10:42 > To: centos(a)centos.org > Subject: Re: [CentOS] Centos 6: Dell GX270 fails to power down (but reboots) > >> I looked at the capacitors, they seem good, nothing bursted or corroded. > > Then we can probably eliminate hardware problems ;-) > >> I'm inclined to say it's purely a C6 problem, as I said the behaviour is >> since I installed C6 on it. > > Did you mention what version of C6 you tried? It was rather quirky in the > beginning... When it was running C5 all was well. Right at the beginning with C6 (6.0) it did not power down. But ok, let's leave it this way, there are far more important things. Thx for all your answers.

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Monitoring bandwidth, latency, packet drop.
by Rafał Radecki 09 Nov '12

09 Nov '12

Hi all. I am currently thinking about monitoring a network link (bandwidth, latency, packet drop). I have a centos server which is connected to providers network through a switch. How to test the link? Should I: - use ICMP to ping gateway and collect staistics of time/packet loss/etc. - use software like here: http://www.cyberciti.biz/faq/linux-unix-windows-monitor-outgoing-bandwidth-… (client/server) ? Is there an option to monitor bandwidth, latency, packet drop without installing additional software on gateway or external host? Best regards, Rafał.

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disk device lvm iscsi questions ....
by Götz Reinicke - IT Koordinator 09 Nov '12

09 Nov '12

Hi, I have an iscsistorage which I attached to a new centos 6.3 server. I added logic volumes as usual, the block devices (sdb & sdc) showed up in dmesg; I can mount and access the stored files. Now we did an firmware software update to that storage (while unmounted/detached from the fileserver) and after reboot of the storage and reatache the iscsi nodes I do get new devices. (sdd & sde) The last time I remember a simple vgchange -ay changed all neede settings so that I can mount and use the volumes as expected. But this time I do get an IO error like /dev/sun7110to_dali_LUN_3/lvol0: read failed after 0 of 4096 at 1610608476160: Eingabe-/Ausgabefehler but also: 1 logical volume(s) in volume group "sun7110to_dali_LUN_3" now active What might be messed up? What can I try do get the storage/filesystems back online? Thanks for any sugesstion and regards . Götz -- Götz Reinicke - IT-Koordinator - Filmakademie Baden-Württemberg GmbH

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Fwd: Different behavior of net.ipv4.ip_local_port_range between RHEL-5 and RHEL-6
by Santi Saez 09 Nov '12

09 Nov '12

Forwarding just in case anyone is familiar with this on CentOS, thanks! -- Hello, Just found that net.ipv4.ip_local_port_range has different behavior between RHEL releases: until v6 although you have multiple source IPs you can only use a fixed number of local ports, seems that "ip_local_port_range" is a global configuration or limitation. On RHEL-6 kernel (testing with 2.6.32-279) you can bind() to N local ports per source IP, it's a per-IP limit: total ports = ip_local_port_range x source IP. The problem is that on RHEL-5 and 4 you can only make ip_local_port_range outgoing connections and you can't use different source IPs trick to increase this limitation. I have been testing and vanilla 2.6.32 kernel and other Linux distributions like Debian doesn't support this. What has been changed/patched on RHEL-6 to allow this? Santi Saez

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sudo issue error with securing commands
by Gregory Machin 09 Nov '12

09 Nov '12

Hi. I have a user that I want to limit to only running a couple of commands ... As in here user just copy and paste where needed , sorry thats all your allowed to do ... but thus far I can't get the syntax correct for the sudoers file line 115| greg ALL = /bin/chmod -R o+rx /opt line 116| greg ALL = /bin/chmod -R ug+rwx /opt line 117| greg ALL = /bin/chown -R root:root /opt line 118| greg ALL = /usr/bin/setfact -R -m u:greg.reeve:rwx /opt line 119| greg ALL = /usr/bin/setfact -d -R -m u:greg.reeve:rwx /opt visudo gives me the following : >>> /etc/sudoers: syntax error near line 116 <<< >>> /etc/sudoers: syntax error near line 117 <<< >>> /etc/sudoers: syntax error near line 118 <<< what am I missing ? thanks G

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kvm to virtualbox
by Jerry Geis 08 Nov '12

08 Nov '12

I have a KVM (qemu-img raw) that I have attempted to convert to VirtualBox. I did the convertfromraw to convert to vdi. I was hoping it would be that simple but, no. When I try to boot the image, it does not boot. Is there something "extra" I need to do - or something different? Thanks, Jerry

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Discuss November 2012