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07-18-2011, 06:12 AM
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#1
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Member
Registered: Apr 2011
Posts: 30
Rep: 
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upgrading from centos 5.6 to 6
how to upgrade from centos 5.6 to 6 ?
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07-18-2011, 06:32 AM
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#2
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Moderator
Registered: Jun 2001
Location: UK
Distribution: Gentoo, RHEL, Fedora, Centos
Posts: 42,832
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I would not advise an upgrade. For a server you should really reinstall it.
Ultimately you can just run "yum --releasever=6 distro-sync", but again, I wouldn't recommend it.
Last edited by acid_kewpie; 07-18-2011 at 06:34 AM.
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07-18-2011, 09:07 AM
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#3
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Member
Registered: Apr 2011
Posts: 30
Original Poster
Rep:
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thx;
but my x-centos 5.6 server contains a lot of informations :gate-server;dns-server ;dhcp and others which manage our copany network
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07-18-2011, 09:13 AM
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#4
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Moderator
Registered: Jun 2001
Location: UK
Distribution: Gentoo, RHEL, Fedora, Centos
Posts: 42,832
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I wouldn't advise against upgrading it then. If it works, leave it.
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07-18-2011, 09:22 AM
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#5
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Member
Registered: Apr 2011
Posts: 30
Original Poster
Rep:
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i tried that command in centos 5.6 but not working?
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07-18-2011, 09:24 AM
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#6
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Moderator
Registered: Jun 2001
Location: UK
Distribution: Gentoo, RHEL, Fedora, Centos
Posts: 42,832
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well firstly, i advised against upgrading if you can't rebuild. Why do you want to??
secondly if something "doesn't work" you need to give useful information about what happened.
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07-18-2011, 09:33 AM
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#7
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Member
Registered: Apr 2011
Posts: 30
Original Poster
Rep:
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thx;
when i tried the command it tell me :
Command line error:no such option :--releasever but under centos 6 in other host the command run well.
---------- Post added 07-18-11 at 03:34 PM ----------
i want to update all my centos 5.6 packages to el6 centos 6 packages.
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07-18-2011, 09:38 AM
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#8
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Moderator
Registered: Jun 2001
Location: UK
Distribution: Gentoo, RHEL, Fedora, Centos
Posts: 42,832
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if you can not justify rebuilding a server, then you can not justify upgrading it. what if it doesn't work? upgrading is a BIG thing, just about EVERY package is replaced, and there is a high chance of things failing. Then where would you be?
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1 members found this post helpful.
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07-18-2011, 09:43 AM
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#9
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Member
Registered: Apr 2011
Posts: 30
Original Poster
Rep:
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under centos 5.6
yum update -y
no packages marked for update.
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07-18-2011, 09:45 AM
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#10
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Moderator
Registered: Jun 2001
Location: UK
Distribution: Gentoo, RHEL, Fedora, Centos
Posts: 42,832
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right, because you are still juston the release 5. If you really want to you can install the el6 centos-release package and run it again. Y M M V
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1 members found this post helpful.
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07-18-2011, 09:46 AM
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#11
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Member
Registered: Apr 2011
Posts: 30
Original Poster
Rep:
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i want to update my packages for securing my server
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07-18-2011, 09:48 AM
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#12
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Moderator
Registered: Jun 2001
Location: UK
Distribution: Gentoo, RHEL, Fedora, Centos
Posts: 42,832
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6.0 will be less sure than 5.6. The feature set is older on 5.x therefore had a lot longer to be fully security tested.
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1 members found this post helpful.
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07-18-2011, 09:57 AM
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#13
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Member
Registered: Apr 2011
Posts: 30
Original Poster
Rep:
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is it the same problem between redhat 5 and redhat 6?
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07-18-2011, 09:59 AM
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#14
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Moderator
Registered: Jun 2001
Location: UK
Distribution: Gentoo, RHEL, Fedora, Centos
Posts: 42,832
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it's the same packages, so yes. Each major release introduces new features, new code.... new bugs.
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07-18-2011, 10:10 AM
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#15
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Member
Registered: Apr 2011
Posts: 30
Original Poster
Rep:
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when we need update packages from centos 5.6 to centos 6 ,i need to reinstall my systeme to centos 6 and repeting all my server configuration
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