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How to upgrade CentOS?

Discussion in 'General Discussion' started by mauinet, Jan 7, 2009.

  1. mauinet

    mauinet Active Member

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    PCI Scans are failing due to openssl 0.9.7a. Even though backports are recognized the output of "rpm -q --changelog openssl" shows the last patch as Oct 2007. There have been vulnerablities since then including today:
    https://rhn.redhat.com/errata/RHSA-2009-0004.html

    We are on CentOS 4.7 which apparently has no upgrade path on the openssl to the current version. Therefore it seems we will need to upgrade CentOS to a more recent version, 5.x. Is this possible remotely and is there a doc somewhere that shows how to do this?

    Thanks much,
    Roger
     
  2. Voltar

    Voltar Well-Known Member

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    You _can_ upgrade remotely, but I highly advise against it. When CentOS 5 first came out I did some testing locally via ssh only to see if it would go smoothly, and well, although possibly it is very easy to miss something and end up with a fubar'd server.
     
  3. nichiyume

    nichiyume Member

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    I tried using Centos 5 yum repos to make yum update with Centos 5 rpms. Did not work out very well. May have to bite the bullet and re-install with Centos 5 freshly.
     
  4. Kailash1

    Kailash1 Well-Known Member

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    I would also advise you to go for a fresh installation rather than to upgrade.

    Kailash
     
  5. AndyReed

    AndyReed Well-Known Member
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    It is unwise to do OS reload just to upgrade CentOS to the latest version 5.2.

    Upgrading your server Operating System (OS) takes good planning, preparation, and time before attempting the upgrade.

    You can believe whoever you want, but we did upgrade many servers with CentOS from v4.x to v5.2, successfully -- no downtime and without any problems.
     
    #5 AndyReed, Jan 11, 2009
    Last edited: Jan 11, 2009
  6. Silver_2000

    Silver_2000 Well-Known Member

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    every one I have spoken to and read has recommended against upgrading

    starting fresh sucks BUT cpanel has good move tools for acounts
     
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