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help required
by fabian dacunha 16 Oct '08

16 Oct '08

Dear ALl, I have the following live setup . Centos 5.1 running as a Mail and DNS server with the following software Sendmail ver MailScanner ver squirrel mail clam av spamassassin mailwatch we have about 250 mail users all with no shell and every thing is working perfectly fine now i wd like to know the following . 1) if i have a copy of my /etc/passwd file and the /etc/skel/shadow file and if my current HDD crashes .. now if i make a new centos server with all the above software and jus copy the password n shadow file in the right directories will all the users able to login into the system as before. or is anything more required to be done. To explain more clearly if my current hdd crashes i can get up a new centos machine but creating all the 250 + users wd be a big problem specially the passwords. 2) i would like to also know about MX records i mean DNS server having MX with same priority n MX with different priority i right now have a primary n secondary mail server that is dns server with different MX records and its workin fine if i have 2 servers with same MX priority do i need to create the smae users on both my centos servers so tht if one server fails othe one is operational . i do presume the above is corect or is there any other way apprecite your help regards Fabian -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.

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OT: [CentOS] new list proposal
by James B. Byrne 16 Oct '08

16 Oct '08

On: Thu, 16 Oct 2008 12:01:54 +0100, "Marcelo M. Garcia" <marcelo.maia.garcia(a)googlemail.com> wrote: > > Karanbir Singh wrote: >> One thing that we are often blamed for is trying to stifle conversations >> and to discourage people from commenting / contributing / encouraging >> conversations. And that cant be further from the truth, really. We are >> all pro-community ( and when I say we, I mean everyone - including the >> contributors, developers, admins, users, abusers and hey upstream too ). >> >> However, one thing that does get in the way, often, and something that >> we all feel creates a higher 'noise' ratio is conversations on this list >> about semi-related stuff, but not something that directly contributes to >> the general users of CentOS. Conversations that specifically address >> four areas: >> >> - technologies >> - best practices >> - deployment strategies and tools >> - management strategies and tools >> >> And to better cater to these conversations, as well as further encourage >> such content, we'd like to propose creating a 'centos-tech' list. >> >> Over a period of time, we would like to see the CentOS list become a >> more user help and distro specific list, with generic conversations >> moving to the centos-tech list. >> > Hi > > I understand the eagerness to lower the "noise" ratio, but I think > creating another list is not the solution, it will simply create an > extra work for the people in the list "centos" in the sense that you > will have to keep reminding people to use the "tech" list, or saying to > newcomers that should sign for the "tech" list. > > Noise is the side effect of the success of the project CentOS. As the > project grows, more people will be joining the list, and there will be > more noise. > > In my opinion there aren't much "off-topic"/noise in this list. > > Regards > > Marcelo > I too, see little problem with the current signal to noise ratio. Compared to some tech lists I subscribe too this one is pretty much always on the topic of some aspect of using CentOS effective and efficiently. If some people really have problems with the degree of latitude extended to subjects here then perhaps an appropriate solution is to set up a list called centos-strict and allow those that have strong feelings on the matter of appropriateness, whatever that turns out to mean, to subscribe there. Once a day a digest of the centos-strict list could be posted to this list, in a fashion similar to that done for CentOS announcements. So that topics of interest discussed there would still reach a wider audience. The existing centos list is pretty much established as the first port of call for a new contributor. It seems to me counter-productive to create a new list to serve that purpose and then force new people to resubscribe to a different list, doubtless after receiving abuse from self-appointed moral managers for posting the wrong subjects here. As a case in point, what does the creation of new mailing lists have to do with CentOS, exactly? What is deemed appropriate and on topic is really more a matter of taste than anything else. -- *** E-Mail is NOT a SECURE channel *** James B. Byrne mailto:ByrneJB@Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3

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central patch list
by Mark Belanger 16 Oct '08

16 Oct '08

Is there a list somewhere of available updates for a given CentOS release? Something like this: https://rhn.redhat.com/errata/rhel4ws-errata.html Ideally I would like a something like: Bug Description Link to update 1111 kernel blah,etc http://some.rpm.com/1111.rpm -Mark -- Mark Belanger LTX Corporation

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m4v
by centos＠911networks.com 16 Oct '08

16 Oct '08

Hi, I run 5.2, how do I play m4v videos? I am not trying to remove any DRM, only to view some Internet videos such as Lightroom killer tips: (http://www.lightroomkillertips.com/videos/download.php?file=lightroom_folde…) uses m4v files. Any suggestion? -- Thanks

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snmptrapd -A option deprecated?
by Camron W. Fox 16 Oct '08

16 Oct '08

Alle, The man page for snmptrapd (CentOS5.2/net-snmp-5.3.1-24.el5_2.1) *shows* the -A option (to append the output to file) is still valid, but it is not. snmptrapd -h omits the option and doesn't show an alternate flag. The option is still valid for snmpd. /etc/snmp/snmptrapd.options looks like this: OPTIONS="-A -Lf /var/log/snmptrapd.log -p /var/run/snmptrapd.pid" Does anyone know if this option is still available? Best Regards, Camron -- Camron W. Fox Hilo Office High Performance Computing Group Fujitsu Management Services of America, Inc. E-mail: cwfox(a)us.fujitsu.com

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Linux Expo, London 23rd to 25th Oct 2008
by Karanbir Singh 16 Oct '08

16 Oct '08

Hi, We need a few people to help with the CentOS booth at Linux Expo in London, from the 23rd to the 25th. If you are around and able to come hang out with the us ( Lance and I will be there too ) it would be much appreciated. If you are interested, reply to this thread here, on the centos-promo list or email me offlist. If you are in the area, come say hi anyway, even if you cant help at the booth ! Would be good to put faces to some of the names on this list. http://www.linuxexpo.org.uk/ - KB

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Seeking advice about auth/home serving
by Laurent Wandrebeck 16 Oct '08

16 Oct '08

Hi, I'm currently using nis/nfs3/autofs in a small network (20 boxes), and planning on using a more secure/elegant method. The thing is, which solution to adopt ? The network is mainly composed of Centos boxes, and a couple MS/Win ones. ldap/kerberos/nfs4 ? Directory Server ? Anything else ? Another point is, we have several servers with a local /data. Is there any solution to make each /data accessible to each server without having to maintain an awful fstab list per server ? (no way to deploy gfs). Regards, Laurent.

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Re: [CentOS] new list proposal
by Kenneth Price 16 Oct '08

16 Oct '08

----- "Craig White" <craigwhite(a)azapple.com> wrote: > If you are going to go to multiple lists, might I suggest that you > have 1 system-admins list and 1 general-users list and you can tightly > control the system-admins list. I disagreed with the idea of creating a second list as originally proposed, however, I think two lists as you describe is a good middle ground and the remainder of this thread should be directed towards a compromise of this nature. -Ken

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Postfix problem
by Paolo Supino 16 Oct '08

16 Oct '08

Hi I have a CentOS 4.2 server with postfix. The problem I'm having is that postfix insists on using $myhostname in the from field even if I instruct it to use $mydomain in /etc/postfix/main.cf or even if I hard code the domain name into $myorigin. What am I missing? BTW: postconf shows output shows that $myorigin is configured to use $mydomain, or the domain name itself ... -- ttyl Paolo

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Rebooting CentOS 5.2 XEN Guest
by Brett Serkez 16 Oct '08

16 Oct '08

All, I have CentOS 5.2 XEN guests running on a CentOS 5.2 host. At one time when I issued an 'init 6' in one of the XEN guests it rebooted Now it seems to halt but virt-manager shows it as still running and the only way to get the guest to boot is to destroy the virtual machine and start it again. Unfortunately I didn't notice precisely when this change in behavior occurred, I believe it was the last 'yum update' that included a new XEN kernel, but I cannot say for sure. Has anyone else noticed this change in behavior? Any solutions to restore the older behavior, being able to 'init 6' the virtual machine was very useful. Thank you, Brett

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