Discuss June 2012

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185 participants
178 discussions

RHEV-H / RHEV-M on CentOS?
by Kanwar Ranbir Sandhu 12 Jun '12

12 Jun '12

Hi Dudes/Dudettes, Does anyone know if Red Hat's bare metal KVM solution, RHEV-H, and the management component, RHEV-M, are available for CentOS? All I know is RHEV-M was being ported to Java and it would be getting released soon. I suppose RHEV-H isn't 100% necessary. Just running a minimum CentOS install for your KVMs would give you essentially the same thing. If there was a similar bare metal install option like RHEV-H through CentOS, I could see going that route for my deployments eventually. Regards, Ranbir -- Kanwar Ranbir Sandhu Linux 3.3.7-1.fc17.x86_64 x86_64 GNU/Linux 08:23:10 up 7 days, 21:17, 13 users, load average: 0.56, 0.58, 0.77

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Xine-lib package update returns error message
by E Westphal 12 Jun '12

12 Jun '12

When trying to update xine-lib, the following is returned, how did I break it? Please advise. Thanks in advance. Missing Dependency: libxine.so.1 is needed by package xine-0.99.6-1.el5.rf.i386 (installed) Ed Westphal

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Error dovecot restart
by Muhammad A. Fatahna 12 Jun '12

12 Jun '12

Dear all, i have a problem when install dovecot on CentOS 5, below my configuration [root@mail home]# vim /etc/dovecot-sql.conf driver = mysql connect = host = localhost dbname=postfix user=mail password=password default_pass_scheme = PLAIN password_query = SELECT password FROM mailbox WHERE username = '%u' [root@mail home]# vim /etc/dovecot.conf log_path = /var/log/dovecot.log auth_username_format = %Lu passdb sql { args = /etc/dovecot-sql.conf } userdb static { args = uid=501 gid=501 home=/home/vmail/%d/%n } [root@mail home]# service dovecot restart Stopping Dovecot Imap: [FAILED] Starting Dovecot Imap: Error: Can't write to log directory /var/log: Permission denied Fatal: Invalid configuration in /etc/dovecot.conf [FAILED] i have try searching but i don't see step fix it, -- http://mafatahna.web.id

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working dhcpd.conf with routes
by Boris Epstein 12 Jun '12

12 Jun '12

Hello listmates, I am running DHCPD for IPv4 on a Centos 5 machine. I am wondering if anyone has got a functional dhcpd.conf configuration serving static routes to Linux, Mac OS X and Windows clients. I tried a couple of variations of static-routes options - but have yet to create something that would work. Thanks. Boris.

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centos 6.2 xfs + nfs space allocation
by Stephan van Hienen 11 Jun '12

11 Jun '12

Centos 6.2 system with xfs filesystem. I'm sharing this filesystem using nfs. When I create a 10 gigabyte test file from a nfs client system : dd if=/dev/zero of=10Gtest bs=1M count=10000 10000+0 records in 10000+0 records out 10485760000 bytes (10 GB) copied, 74.827 s, 140 MB/s Output from 'ls -al ; du' during this test : -rw-r--r-- 1 root root 429170688 Jun 8 10:13 10Gtest 654456 10Gtest -rw-r--r-- 1 root root 1756831744 Jun 8 10:13 10Gtest 2230720 10Gtest -rw-r--r-- 1 root root 2492145664 Jun 8 10:11 10Gtest 4348288 10Gtest -rw-r--r-- 1 root root 4686782464 Jun 8 10:11 10Gtest 8542592 10Gtest -rw-r--r-- 1 root root 10485760000 Jun 8 10:12 10Gtest 16943552 10Gtest The file is using almost double the size ? Even after a few days the file is showing the same disk usage. Only umounting and remounting the filesystem fixes the problem. When I do the same test on an ext4 filesystem no issues. (same server/client) Same issue on 2 centos 6.2 servers. I also tried to reproduce the issue on an rhel 5.8 system with xfs, but here the disk usage is ok. (I don't have a rhel6 systems with the xfs addon subscription) Stephan

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CVE-2012-2122 ()
by Johnny Hughes 11 Jun '12

11 Jun '12

The CentOS team has been looking at the issue called out in these stories: http://threatpost.com/en_us/blogs/trivial-password-flaw-leaves-mysql-databa… http://arstechnica.com/information-technology/2012/06/security-flaw-in-mysq… http://www.net-security.org/secworld.php?id=13076 According to the upstream provider EL4, EL5 and EL6 are not impacted by the above issue: https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-2122 Thanks, Johnny Hughes

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CentOS-announce Digest, Vol 88, Issue 6
by centos-announce-request＠centos.org 11 Jun '12

11 Jun '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-2012:0718 CentOS 5 doxygen FASTTRACK Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Mon, 11 Jun 2012 11:13:34 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2012:0718 CentOS 5 doxygen FASTTRACK Update To: centos-announce(a)centos.org Message-ID: <20120611111334.GA1996(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2012:0718 Upstream details at : http://rhn.redhat.com/errata/RHBA-2012-0718.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 72c425f77c5c39f7acf6e022521cc85b76c394784e93f04188e0681251e6c592 doxygen-1.4.7-2.i386.rpm 97ea811c40a83bf5c7f30efe5394769206c61deb045b41477e0f0f3d96762a42 doxygen-doxywizard-1.4.7-2.i386.rpm x86_64: 24a17887e906d6bbbb8425a6870f8170e6d2355fbc94e143c24df886cb81ca61 doxygen-1.4.7-2.x86_64.rpm 4793a72c194fb9b3e8886d6f52e44f1b4428177740f06a8523f6ffc4c70894ad doxygen-doxywizard-1.4.7-2.x86_64.rpm Source: 4e8fd530bab7d5d119fdb81b9cb61303ee66bf5961220a7c4d6b86afbb7028c2 doxygen-1.4.7-2.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 88, Issue 6 **********************************************

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iptables: hitcount
by Helmut Drodofsky 11 Jun '12

11 Jun '12

Hello, up to CentOS 5.3 it was possible, to control new ip connections by "recent", "seconds" and "hitcount" -A INPUT -m state --state NEW -m recent --set -p tcp --dport 80 -A INPUT -m state --state NEW -m recent --update --seconds 60 --hitcount 1000 -p tcp --dport 80 -j LOG --log-prefix "FW DROP IP Flood: " -A INPUT -p tcp -m tcp --dport 80 -m state --state NEW -m recent --update --seconds 60 --hitcount 1000 -j DROP -A INPUT -p tcp -m state --state NEW -m tcp --dport 80 -j ACCEPT so that - short time high new connections rate for the web server where accepted, but not over a longer time. E.g. CentOS 5.8 or CentOS 6.2 accept only -A INPUT -m state --state NEW -m recent --set -p tcp --dport 80 -A INPUT -m state --state NEW -m recent --update --seconds 1 --hitcount 15 -p tcp --dport 80 -j LOG --log-prefix "FW DROP IP Flood: " -A INPUT -p tcp -m tcp --dport 80 -m state --state NEW -m recent --update --seconds 1 --hitcount 15 -j DROP -A INPUT -p tcp -m state --state NEW -m tcp --dport 80 -j ACCEPT So a complex web page with many small icons e.g. webmail pages initiate the log in line 2 and drop in line 3 . hitcount does not accept values of 25 or above: [root@server ~]# iptables -A INPUT -m state --state NEW -m recent --set -p tcp --dport 80 [root@server~]# iptables -A INPUT -m state --state NEW -m recent --update --seconds 1 --hitcount 25 -p tcp --dport 80 -j LOG --log-prefix "FW DROP IP Flood: " iptables: Unknown error 4294967295 what can i do to protect the web server? Is there any any configuration parameter to increase the values for hitcount? Best regards Helmut Drodofsky -- Viele Grüße Helmut Drodofsky Internet XS Service GmbH Heßbrühlstraße 15 70565 Stuttgart Geschäftsführung Dr.-Ing. Roswitha Hahn-Drodofsky HRB 21091 Stuttgart USt.ID: DE190582774 Tel. 0711 781941 0 Fax: 0711 781941 79 Mail: info(a)internet-xs.de www.internet-xs.de

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system date using ntp client is drifting
by Kaushal Shriyan 11 Jun '12

11 Jun '12

Hi, I have a set of servers whose system time is drifting. I am running ntp client on CentOS 5.8. My config is here -> http://fpaste.org/s55U/ Anything i am missing? Regards, Kaushal

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Re: [CentOS] Error dovecot restart
by Muhammad A. Fatahna 11 Jun '12

11 Jun '12

> man touch > man chmod > man chown file has ready, chmod use 755 and chown use vmail, this below : [root@mail ~]# ls -la /etc/dovecot* -rwxr-xr-x 1 vmail vmail 42989 Jun 11 17:08 /etc/dovecot.conf -rwxr-xr-x 1 vmail vmail 181 Jun 11 15:27 /etc/dovecot-sql.conf [root@mail ~]# [root@mail ~]# ls -la /var/log/dovecot.log -rwxr-xr-x 1 vmail vmail 1180 Jun 11 16:42 /var/log/dovecot.log [root@mail ~]# there is something wrong on my configuration -- http://mafatahna.web.id

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Discuss June 2012