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34758 discussions

Recompiling the Kernel for CentOS 6.5
by Saket Sinha 29 Mar '14

29 Mar '14

Hi, I am working on CentOS 6.5 which has 2.6.32-431 kernel. I have a problem with my driver and I need to enable Kernel-Memory leak in the kernel for which I will have to recompile the kernel. I get the kernel source tree from the the source rpm for my running kernel from below link- http://vault.centos.org/6.5/updates/Source/SPackages/kernel-2.6.32-431.11.2… and I try to build the kernel according to the doc link written for RHEL-3 - http://www.centos.org/docs/rhel-sag-en-3/s1-custom-kernel-modularized.html according to which it tells me , after make menuconfig( and customizing my configuration), I need to follow the following steps- 1. make bzImage 2. make modules 3. make modules_install 4. make install but I get errors in the first step only-(make bzImage) It was pointed out the CentOS-devel mailing list the below link- http://wiki.centos.org/HowTos/Custom_Kernel which allows me to create a rpm for my customized kernel and install it. Now my question is there no method where in I can apply a kernel source tree from kernel.org(maybe 3,x version) and install it on Centos ? Regards, Saket Sinha

5 5

How to configure
by Obono I. O 29 Mar '14

29 Mar '14

Please I am new to Centos Linux and need direction on how to configure the following How to configure Linux server on VMWARE and statically assigned an IP address in the segment 192.168.13.0/24 with the Windows client being able to communicate with the server. A DHCP server should be running on your Linux box leasing addresses to the local segment. SETUP A DNS name resolution system for resolving addresses. The DNS server must perform forward and reverse lookup operations. Name resolution should be configured to use the above IP addresses and not the localhost (127.0.0.1). Implement a Nagios Network Monitoring system in on the Linux server and demonstrate the complete monitoring of all the services running on the server. In addition, Nagios should be configured to support adaptive and performance data monitoring to both the server and the client in the test network. Client is windows xp Thank you

4 5

Static IPv6 configuration
by Robert Moskowitz 29 Mar '14

29 Mar '14

system-config-network seems to only set IPv4 addresses. There does not seem to be any tool for IPv6 addresses? I know I can always edit /etc/sysconfig/network-scripts/ifcfg-eth0 but is there a 'tool' for it?

3 3

High load average, low CPU utilization
by Matt Garman 28 Mar '14

28 Mar '14

I have a dual Xeon 5130 (four total CPUs) server running CentOS 5.7. Approximately every 17 hours, the load on this server slowly creeps up until it hits 20, then slowly goes back down. The most recent example started around 2:00am this morning. Outside of these weird times, the load never exceeds 2.0 (and in fact spends the overwhelming majority of its time at 1.0). So this morning, a few data points: - 2:06 to 2:07 load increased from 1.0 to 2.0 - At 2:09 it hit 4.0 - At 2:10 it hit 5.34 - At 2:16 it hit 10.02 - At 2:17 it hit 11.0 - At 2:24 it hit 17.0 - At 2:27 it hit 19.0 and stayed here +/1 1.0 until - At 2:48 it was 18.96 and looks like it started to go down (very slowly) - At 2:57 it was 17.84 - At 3:05 it was 16.76 - At 3:16 it was 15.03 - At 3:27 it was 9.3 - At 3:39 it was 4.08 - At 3:44 it was 1.92, and stayed under 2.0 from there on This is the 1m load average by the way (i.e. first number in /proc/loadavg, given by top, uptime, etc). Running top while this occurs shows very little CPU usage. It seems the standard cause of this is processes in a "d" state, which means waiting on I/O. But we're not seeing this. In fact, I the system runs sar, and I've collected copious amounts of data. But I don't see anything that jumps out that correlates with these events. I.e., no surges in disk IO, disk read/write bytes, network traffic, etc. The system *never* uses any swap. I also used "dstat" to collect all data that it can for 24 hours (so it captured one of these events). I used 1 second samples, loaded the info up into a huge spreadsheet, but again, didn't see any obvious "trigger" or interesting stuff going on while the load spiked. All the programs running on the system seem to work fine while this is happening... but it triggers all kinds of monitoring alerts which is annoying. We've been collecting data too, and as I said above, seems to happen every 17 hours. I checked all our cron jobs, and nothing jumped out as an obvious culprit. Anyone seen anything like this? Any thoughts or ideas? Thanks, Matt

7 10

how to retrieve the info from gnome properties notes?
by Frank Cox 28 Mar '14

28 Mar '14

Right-click on a file, move to properties, click on Notes tab. Where is the information that you enter into that screen stored, and how can I read it? -- MELVILLE THEATRE ~ Real D 3D Digital Cinema ~ www.melvilletheatre.com

2 1

Centos 7 Beta iso
by Cosme Faria Corrêa 28 Mar '14

28 Mar '14

Is this possible? -- Cosme Faria Corrêa

1 0

Linux malware attack
by Timothy Murphy 28 Mar '14

28 Mar '14

SlashDot had an article today on a Linux server malware attack, <http://it.slashdot.org/story/14/03/18/2218237/malware-attack-infected-25000…>. I wonder if there is a simple test to see if a CentOS machine has been infected in this way? The article mentions Yara and Snort rules to test for this, but I wonder if there is something simpler? Alternatively, are there Yara or Snort packages for CentOS? ("Yum search" didn't seem to find anything.) -- Timothy Murphy e-mail: gayleard /at/ eircom.net School of Mathematics, Trinity College, Dublin 2, Ireland

13 15

Mail server - MailScanner/Baruwa/postfix/...
by Rafał Radecki 28 Mar '14

28 Mar '14

Hi All ;) Currently I am gathering info about possible components for a mailserver. I think that MailScanner/Baruwa/postfix will be a good choice. I set up a similar system (with MailWatch instead of Baruwa) about 3 years ago and had very good experience ;) What do you think about MailScanner/Baruwa now? Do you maybe use any good alternatives and can recommend them? Thanks for all help ;) Best regards, Rafal.

2 1

GLIBC_2.7 not found
by Hersh Parikh 28 Mar '14

28 Mar '14

Hi, I am trying to run a software which requires a specific version of glib(GLIBC_2.7). Current version of GLIB on my system is 2.5 and error which I am getting is - ------------------------------ [hp@mysys example]$ /share/apps/CAP3/cap3: /lib64/libc.so.6: version `GLIBC_2.7' not found (required by /share/apps/CAP3/cap3) ------------------------------ [root@mysys scratch]# ldd --version ldd (GNU libc) 2.5 Copyright (C) 2006 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Written by Roland McGrath and Ulrich Drepper. --------------------------------------------- I have tried to upgrade the package with both yum and rpm but it failed. Here is what I got when I tried yum upgrade. Can anyone help in fixing this? Btw, I am running CentOS 5.4 ---------------------------------------------- [root@mysys scratch]# yum update glib* http://xx.xx.xx.xx/install/rocks-dist/x86_64/repodata/repomd.xml: [Errno 4] IOError: <urlopen error (113, 'No route to host')> Trying other mirror. Setting up Update Process Examining glibc-2.7-12.2mnb1.x86_64.rpm: 6:glibc-2.7-12.2mnb1.x86_64 Marking glibc-2.7-12.2mnb1.x86_64.rpm as an update to glibc-2.5-118.el5_10.2.x86_64 Marking glibc-2.7-12.2mnb1.x86_64.rpm as an update to glibc-2.5-118.el5_10.2.i686 Resolving Dependencies --> Running transaction check --> Processing Dependency: glibc = 2.5-118.el5_10.2 for package: glibc-devel --> Processing Dependency: glibc = 2.5-118.el5_10.2 for package: nscd --> Processing Dependency: glibc = 2.5-118.el5_10.2 for package: glibc-devel --> Processing Dependency: glibc = 2.5-118.el5_10.2 for package: glibc-headers --> Processing Dependency: glibc = 2.5-118.el5_10.2 for package: glibc-devel --> Processing Dependency: glibc = 2.5-118.el5_10.2 for package: nscd --> Processing Dependency: glibc = 2.5-118.el5_10.2 for package: glibc-devel --> Processing Dependency: glibc = 2.5-118.el5_10.2 for package: glibc-headers ---> Package glibc.x86_64 6:2.7-12.2mnb1 set to be updated --> Processing Dependency: dash-static for package: glibc --> Processing Dependency: dash-static for package: glibc --> Processing Dependency: /bin/dash.static for package: glibc --> Processing Dependency: /bin/dash.static for package: glibc --> Processing Conflict: glibc-common conflicts glibc > 2.5 --> Finished Dependency Resolution glibc-devel-2.5-118.el5_10.2.i386 from installed has depsolving problems --> Missing Dependency: glibc = 2.5-118.el5_10.2 is needed by package glibc-devel-2.5-118.el5_10.2.i386 (installed) glibc-devel-2.5-118.el5_10.2.x86_64 from installed has depsolving problems --> Missing Dependency: glibc = 2.5-118.el5_10.2 is needed by package glibc-devel-2.5-118.el5_10.2.x86_64 (installed) glibc-headers-2.5-118.el5_10.2.x86_64 from installed has depsolving problems --> Missing Dependency: glibc = 2.5-118.el5_10.2 is needed by package glibc-headers-2.5-118.el5_10.2.x86_64 (installed) 6:glibc-2.7-12.2mnb1.x86_64 from /glibc-2.7-12.2mnb1.x86_64 has depsolving problems --> Missing Dependency: /bin/dash.static is needed by package 6:glibc-2.7-12.2mnb1.x86_64 (/glibc-2.7-12.2mnb1.x86_64) nscd-2.5-118.el5_10.2.x86_64 from installed has depsolving problems --> Missing Dependency: glibc = 2.5-118.el5_10.2 is needed by package nscd-2.5-118.el5_10.2.x86_64 (installed) 6:glibc-2.7-12.2mnb1.x86_64 from /glibc-2.7-12.2mnb1.x86_64 has depsolving problems --> Missing Dependency: dash-static is needed by package 6:glibc-2.7-12.2mnb1.x86_64 (/glibc-2.7-12.2mnb1.x86_64) glibc-common-2.5-118.el5_10.2.x86_64 from installed has depsolving problems --> glibc-common conflicts with glibc Error: Missing Dependency: dash-static is needed by package 6:glibc-2.7-12.2mnb1.x86_64 (/glibc-2.7-12.2mnb1.x86_64) Error: Missing Dependency: glibc = 2.5-118.el5_10.2 is needed by package nscd-2.5-118.el5_10.2.x86_64 (installed) Error: glibc-common conflicts with glibc Error: Missing Dependency: glibc = 2.5-118.el5_10.2 is needed by package glibc-devel-2.5-118.el5_10.2.x86_64 (installed) Error: Missing Dependency: glibc = 2.5-118.el5_10.2 is needed by package glibc-headers-2.5-118.el5_10.2.x86_64 (installed) Error: Missing Dependency: glibc = 2.5-118.el5_10.2 is needed by package glibc-devel-2.5-118.el5_10.2.i386 (installed) Error: Missing Dependency: /bin/dash.static is needed by package 6:glibc-2.7-12.2mnb1.x86_64 (/glibc-2.7-12.2mnb1.x86_64) You could try using --skip-broken to work around the problem You could try running: package-cleanup --problems package-cleanup --dupes rpm -Va --nofiles --nodigest The program package-cleanup is found in the yum-utils package. -------------------------------- Regards Hersh

10 17

CentOS-announce Digest, Vol 109, Issue 15
by centos-announce-request＠centos.org 28 Mar '14

28 Mar '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. CESA-2014:0330 Moderate CentOS 6 samba Update (Johnny Hughes) 2. CEBA-2014:0336 CentOS 6 resource-agents Update (Johnny Hughes) 3. CEBA-2014:0337 CentOS 6 syslinux Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Thu, 27 Mar 2014 12:15:44 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2014:0330 Moderate CentOS 6 samba Update To: centos-announce(a)centos.org Message-ID: <20140327121544.GA43292(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2014:0330 Moderate Upstream details at : https://rhn.redhat.com/errata/RHSA-2014-0330.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: a9408ead92720322953d6138949e0a5570002d467c3d4d3a59993f41066865cb libsmbclient-3.6.9-168.el6_5.i686.rpm 37a8cfe3e2717f0b88b28bf7f2c3e54f0a04bf2bd60b2bc9f752f2af051be6e8 libsmbclient-devel-3.6.9-168.el6_5.i686.rpm 2cf8d728db2ebee433525623aae4c8b205e1628eb282bf2dc6bed1c8451b22eb samba-3.6.9-168.el6_5.i686.rpm e08443f7162cd8b0f922d90d15531be8a2af71e55df1a1b3f835ea70c4afccc4 samba-client-3.6.9-168.el6_5.i686.rpm b0a555f1b7b13d832a097c1b37a7f0d1e64ff21fa6ee73f7a309d824acdc4183 samba-common-3.6.9-168.el6_5.i686.rpm 57d0967d574ccb82a7c292355f12ba082160d63042352b0759e950706ac7724d samba-doc-3.6.9-168.el6_5.i686.rpm d2153ee76d3c197185e29d364a10e27939ec22699bb06e5b0904497c87930b30 samba-domainjoin-gui-3.6.9-168.el6_5.i686.rpm 9dc4ed1d09781b1adc2ec939ab18ead0c3cd32aa9e11eab9bf523e84fd624d0c samba-swat-3.6.9-168.el6_5.i686.rpm d610f3fa1f6ea25179105c9b7f0262c1e2498e5e44faad98e7f817e1b09f0b41 samba-winbind-3.6.9-168.el6_5.i686.rpm a5b7515883a9d8fbe257ded39a4d32dae7ffd314ed1884004d59fd35589cc11f samba-winbind-clients-3.6.9-168.el6_5.i686.rpm ed8ee128dcc0709177abb763c2ccc42d1da9a74ad903ee4f7bf2cb2a5c68bc6f samba-winbind-devel-3.6.9-168.el6_5.i686.rpm 99aedda8cac935709737bc1d3167e8af11dd643d85adf54046174e3ca576c22b samba-winbind-krb5-locator-3.6.9-168.el6_5.i686.rpm x86_64: a9408ead92720322953d6138949e0a5570002d467c3d4d3a59993f41066865cb libsmbclient-3.6.9-168.el6_5.i686.rpm 72e681dfa4d2c2db3f76844d3de0e299b10cd1e57e0f171847033aa6b102fbdc libsmbclient-3.6.9-168.el6_5.x86_64.rpm 37a8cfe3e2717f0b88b28bf7f2c3e54f0a04bf2bd60b2bc9f752f2af051be6e8 libsmbclient-devel-3.6.9-168.el6_5.i686.rpm c412ae6e520a7f1addbfb9306eca1d69cd57c2f9eb71af99b400bb5fd54c7117 libsmbclient-devel-3.6.9-168.el6_5.x86_64.rpm 77dc97558b0f73c7ec796af311fb221234a68b7984d54bfafac0cc6b87208289 samba-3.6.9-168.el6_5.x86_64.rpm 14b976fafe3f070b434e9228017bef1f2e38e541566bf092ab1236965183cdfc samba-client-3.6.9-168.el6_5.x86_64.rpm b0a555f1b7b13d832a097c1b37a7f0d1e64ff21fa6ee73f7a309d824acdc4183 samba-common-3.6.9-168.el6_5.i686.rpm 0d95f8c9a58563d3f583c66388b2bcf312d3e0c50031c07de12d7cab0224d6cf samba-common-3.6.9-168.el6_5.x86_64.rpm 9cd47b7a93c32c8de5cd9e8fe31493433b0ad46d21e5d8d0419af0479500d673 samba-doc-3.6.9-168.el6_5.x86_64.rpm 8e62c900138be389375b2ffeb5740e858fb9d52581b76397e5087ec1eef3f8a3 samba-domainjoin-gui-3.6.9-168.el6_5.x86_64.rpm 32b213f018ab8383966ec4851942d5264e1855ff1ac74e76e7ae563301d435ac samba-swat-3.6.9-168.el6_5.x86_64.rpm 143154349b732c759ba554cf12b1fa7f03dd36f83f87235f5fb7ef91374e541b samba-winbind-3.6.9-168.el6_5.x86_64.rpm a5b7515883a9d8fbe257ded39a4d32dae7ffd314ed1884004d59fd35589cc11f samba-winbind-clients-3.6.9-168.el6_5.i686.rpm 725ebaa50ad38817d8e99dae2aef2ab7fc872d45ec4f3fb835769b28f8e5c27e samba-winbind-clients-3.6.9-168.el6_5.x86_64.rpm ed8ee128dcc0709177abb763c2ccc42d1da9a74ad903ee4f7bf2cb2a5c68bc6f samba-winbind-devel-3.6.9-168.el6_5.i686.rpm 50796ab27e7f6dcead6290da027a73746484ae866df8974ca8625902eef03bb4 samba-winbind-devel-3.6.9-168.el6_5.x86_64.rpm 770f2d7b5d7d3e4ebede8df0aa8582f09901913985f5177e5c143c21bec42bbf samba-winbind-krb5-locator-3.6.9-168.el6_5.x86_64.rpm Source: 61c421ad3d3d1dddf881404b12fc25502becc75d2645e4d160da7426b2ac27a1 samba-3.6.9-168.el6_5.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Thu, 27 Mar 2014 12:42:08 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2014:0336 CentOS 6 resource-agents Update To: centos-announce(a)centos.org Message-ID: <20140327124208.GA43910(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2014:0336 Upstream details at : https://rhn.redhat.com/errata/RHBA-2014-0336.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 5be2e26cc59bddf25e838d52e510b7cc6767d343c5c0911ef2157db466218c9f resource-agents-3.9.2-40.el6_5.7.i686.rpm 9dc6b29a5ffb3cae6ed21535c4f82f0a048b3b4886436dee6a75892fa62e1c68 resource-agents-sap-3.9.2-40.el6_5.7.i686.rpm x86_64: 7e1bd49361ff213dbc626e5adad737576a0222885ae6b147cfaa6fb0fd00ed72 resource-agents-3.9.2-40.el6_5.7.x86_64.rpm 0ce0f88bc2e89ab0d4b7cc15c90c1bc3fee9ad292accf110d6c2062588aec3b9 resource-agents-sap-3.9.2-40.el6_5.7.x86_64.rpm Source: cf6f2ba6ea4fb7a75d63bdd79278a27fc6acda9ed17d2745b2a514245a79ba71 resource-agents-3.9.2-40.el6_5.7.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 3 Date: Thu, 27 Mar 2014 12:42:45 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2014:0337 CentOS 6 syslinux Update To: centos-announce(a)centos.org Message-ID: <20140327124245.GA44194(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2014:0337 Upstream details at : https://rhn.redhat.com/errata/RHBA-2014-0337.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 524876f0e9d8486d826ca28015a528963dad43aaf9dd1d62d377c56e946c1599 syslinux-4.02-9.el6_5.i686.rpm 0939e1dbf7c36c868bf47edd858084942bd8e2482ec55d1deee1967b80891791 syslinux-devel-4.02-9.el6_5.i686.rpm aa92ec3fb827166e5f17e15faf0f3830eea5b39b2ab83e0207d3e3aca72e3562 syslinux-extlinux-4.02-9.el6_5.i686.rpm d939a16eba01617352eb1589a34d2e270945edeabac0e4a0f64c9f7b3feb68fa syslinux-perl-4.02-9.el6_5.i686.rpm 7415b6e1ce6470bfdf53125e4a3eff09cd30109f6351fa1c689d4518d59b5d3b syslinux-tftpboot-4.02-9.el6_5.i686.rpm x86_64: 1d5a68f9ba89eaae412f5bd175cf246e4df5d4df5018faf86df3a09f90636d53 syslinux-4.02-9.el6_5.x86_64.rpm 0939e1dbf7c36c868bf47edd858084942bd8e2482ec55d1deee1967b80891791 syslinux-devel-4.02-9.el6_5.i686.rpm 57c163b900d19e3e054ef511aa5bdaae4ee3b48dd636d9e79c4fa337ffa41f72 syslinux-devel-4.02-9.el6_5.x86_64.rpm 34fbdab37f48a4e46971d4e4da0e896784efe0e5ab4ce12edae036047ddf9c9b syslinux-extlinux-4.02-9.el6_5.x86_64.rpm 745d1f968094815f169220569dd6db18a4df847faf92cf155624dfb1043202c9 syslinux-perl-4.02-9.el6_5.x86_64.rpm 3dfcc3ce5d297cc70c874aadd9f57dac234cd79d0884126a897337aee7df60e2 syslinux-tftpboot-4.02-9.el6_5.x86_64.rpm Source: 8e6a2fad98b15fec74ef93b26022daf2b55862168520cff6e5d32c510d39c146 syslinux-4.02-9.el6_5.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 109, Issue 15 ************************************************

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