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34758 discussions

Upgrading from Fedora Core 7 to CentOS 5.4
by Kaplan, Andrew H. 22 Jan '10

22 Jan '10

Hi there -- I need to upgrade one of our systems from its current distribution, Fedora Core 7, to the most recent version distribution, release 5.4, of the CentOS operating system. Can I do an in-place upgrade of the operating system without any adverse side-effects? Are there any issues that I should be concerned with before proceeding? Thanks. The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Partners Compliance HelpLine at http://www.partners.org/complianceline . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail.

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mail program question
by adrian kok 22 Jan '10

22 Jan '10

Hi ls postfi same as sendmail / exim ? any mail program better to configure/manage Thank you so much Send instant messages to your online friends http://uk.messenger.yahoo.com

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Re: [CentOS] Add /sbin to sudo PATH
by david＠pnyet.web.id 22 Jan '10

22 Jan '10

It's right, adding path into .bash_profil is so easy... ------Original Message------ From: Gaël Honorez Sender: centos-bounces(a)centos.org To: CentOS mailing list ReplyTo: CentOS mailing list Subject: Re: [CentOS] Add /sbin to sudo PATH Sent: Jan 22, 2010 8:44 PM Except adding /sbin to the PATH in ~/.bash_profile (still better than in .bashrc), I don't think you have so many solutions. Samuel Contesse wrote: > Hello, > > Does anyone have an idee how to add /sbin to the sudo $PATH environment? > Adding /sbin to .bashrc $PATH isn't really what I want... > > I'd like sudoers to be able to run: > > $ sudo chkconfig > > And not: > > $ sudo /sbin/chkconfig > > Thanks > > Sam > _______________________________________________ > CentOS mailing list > CentOS(a)centos.org > http://lists.centos.org/mailman/listinfo/centos > > _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos Regards, David -- http://pnyet.web.id

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Re: [CentOS] mail program question
by david＠pnyet.web.id 22 Jan '10

22 Jan '10

Hi Adrian, I'm using zimbra open source, zimbra mta base on postfix. Zimbra: easy, user friendly, available on open source of course. ------Original Message------ From: adrian kok Sender: centos-bounces(a)centos.org To: centos(a)centos.org ReplyTo: CentOS mailing list Subject: [CentOS] mail program question Sent: Jan 22, 2010 8:15 PM Hi ls postfi same as sendmail / exim ? any mail program better to configure/manage Thank you so much Send instant messages to your online friends http://uk.messenger.yahoo.com _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos Regards, David -- http://pnyet.web.id

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trouble shooting slow ssh logins
by aurfalien＠gmail.com 22 Jan '10

22 Jan '10

Hi all, I noticed that my ssh logins to a particular server were taking up to 5 seconds to finally login. My tcpdump -vv weren't producing much output (not good) and my pings to and from that host were normal and almost identical to other hosts on my subnet that had no ssh login delay issues. Log files also showed nothing alarming. My hosts file was missing this at the very end of the file; ::1 localhost6.localdoamin6 localhost6 I chose to disable ipv6 during install but no big deal that I needed that line. My question is; What tools could I have used to trouble shoot this as packet sniffers on the switch port or the host didn't seem to do the trick, nor did log file analysis? I just had a hunch and decided to look at my hosts file, not the most effective way to fix issues but one I've used several times. Thanks in advance, - aurf

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gconfd problem : cannot create /usr/share/tomcat5/.gconfd
by Dirk H. Schulz 22 Jan '10

22 Jan '10

Hi folks, after several updates and a reboot I get errors concerning gconfd wanting to create a directory "/usr/share/tomcat5/.gconfd" which fails and other errors - when I start Tomcat5. Why is gconfd (suddenly) needed/activated if Tomcat5 is started? Can I disable that - and how? Dirk

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Newer Rsyslog than in distro
by Stephen Nelson-Smith 22 Jan '10

22 Jan '10

Hello, I am just starting work on a project that is going to require a recent (ie version 4 or 5) rsyslog. The distro has 2.0. KB - I think you have a 3.x kicking about, but it's not on cko - any idea how much work it would be to adapt your spec to version 4 or 5? Rawhide seems to have a 4.x package, so I could start from there if there's no other options available. Anyone else using a modern / recent syslog? What are you using and where from? S.

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Bind data directory borked on update from 5.3 to 5.4
by Bowie Bailey 22 Jan '10

22 Jan '10

I updated my secondary DNS server from 5.3 to 5.4 today. After the update, named would not start. A bit of investigation found that all of the files in /var/named/chroot/var/named/data had been turned into links to themselves! Fortunately, since this is a secondary DNS, all I had to do was delete the files, replace the root hints file and let everything else copy back over from the master. If this had been the master, I would have had to restore from backups. Has anyone else seen this problem? -- Bowie

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mysql update
by madunix 22 Jan '10

22 Jan '10

I have the following update procedure that update mySQL DB over the internet between source Linux Centos (local machine on my net behind a DMZ with real IP A.B.C.D) and target Linux fedora (web server www.myweb.com) every day on a specific time 18:00 through a crontab on my source linux server server(source) ---DMZ---ASA---Router-----Internet----HostingCompany---Myweb(target) [root@source]# mysql -u updatex -p -h www.myweb.com test < sample.SQL [root@source]$ mysql -u updatex -p -h www.myweb.com test < sample.SQL Enter password: ***** CURTIME() 19:41:44 CURTIME() 19:50:09 [root@source]$ mysql -u updatex -p -h www.myweb.com test < sample.SQL Enter password:***** CURTIME() 08:26:08 CURTIME() 08:26:34 I did the above procedure multiple times in different times in the day. the duration of this procedure takes from 22sec to 10min see above...., before a while it was running constant with duration of 30sec. I checked with my ISP, hosting company and network nothing been changed from the structure/configuration..... [root@source]# lsof -i -P | grep 3306 mysqld 3806 mysql 11u IPv4 10926 TCP *:3306 (LISTEN) mysql 15150 user 3u IPv4 297528 TCP 192.168.10.5:8376->www.myweb.com:3306 (ESTABLISHED) [root@target]# netstat -a |grep mysql tcp 0 0 *:mysql *:* LISTEN tcp 0 0 www.myweb.:mysql A.B.C.D:8366 TIME_WAIT tcp 0 11 www.myweb.:mysql A.B.C.D:8372 ESTABLISHED also i attached tcp connection between the nodes as above from source and target, can any one help why i have this behavior and how can i fix the delay, thinking doing QoS or clean up and remoteexcution at that time ... Thanks

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Recent openvz kernels unstable?
by Chris 22 Jan '10

22 Jan '10

Has anyone else running heavily loaded openvz boxes noticed strange behavior with the latest kernels? Ever since updating to the latest *.164* kernels, we have mysterious machine lock ups. Sometime there will be an oops message, other times there will be none. The oops messages aren't the same when we manage to get one. Sometimes a machine will just drop off network without even a blip on the serial console. I still have to try to get a memory dump from one of the machines to see if I can find anything there, but I'm curious if anyone else has run into the same issues.

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