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Thread: [SOLVED] 32bit to 64bit migration

  1. #11
    dwill's Avatar
    dwill is offline Special Member
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    Default What's my name?

    Once again all went well, same problem - I am sure the passwords were all sync'd this time, however I'm still getting name resolution errors for the localhost.

    I did some quick searches and it appears U8.04 has some issues with resolving localhost - preliminary results point to an issue with Avahi.

    I'll post the solution once discovered.
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  2. #12
    iway is offline Partner (VAR/HSP)
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    Have you played around with the localhost line?

    On one server with Ubuntu 8.0.4 this works:

    127.0.0.1 localhost.localdomain localhost

    On another identical server with Ubuntu 8.0.4 also, only this works:

    127.0.0.1 localhost

    You have to play with those a little, unfortunately...

  3. #13
    phoenix is offline Zimbra Consultant & Moderator
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    Quote Originally Posted by interways View Post
    Have you played around with the localhost line?

    On one server with Ubuntu 8.0.4 this works:

    127.0.0.1 localhost.localdomain localhost

    On another identical server with Ubuntu 8.0.4 also, only this works:

    127.0.0.1 localhost

    You have to play with those a little, unfortunately...
    You shouldn't have to 'play around' with the hosts file, the correct format is:

    Code:
    127.0.0.1 localhost.localdomain localhost
    as detailed in the Quick Start Installation Guide and various posts scattered throughout the forums. It's even mentioned in the Ubuntu installation guide in the wiki.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  4. #14
    iway is offline Partner (VAR/HSP)
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    Well, if it were that easy!

    Your docs are not correct here, since, as I stated, it sometimes works one way on one server, then only the other way on another, identical, server.

    So, yes, you should play with it a little, see if you get it to work.

  5. #15
    dwill's Avatar
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    Default Eureka - I hope

    It seems that "Multicast DNS discovery service" may be the culprit. Won't be able to confirm until tonight, When I will once again try to make the switch.

    Details:

    bug report here: [Nix-dev] name resolution in nix packages not working

    It seems that 8.04 has changed the DNS discovery order in /etc/nsswitch.conf

    on my 6.06 server the hosts line is
    Code:
    hosts:          files dns mdns

    on the 8.04 server the hosts line is
    Code:
    hosts:          files mdns4_minimal [NOTFOUND=return] dns mdns4
    it looks like there are two possible workarounds - disable the DNS Multicast service in Administration --> services
    or
    edit the hosts line in /etc/nsswitch.conf

    Now it's killin' me that I have to wait till tonight to try again
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  6. #16
    phoenix is offline Zimbra Consultant & Moderator
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    Quote Originally Posted by interways View Post
    Well, if it were that easy!
    It is that easy.

    Quote Originally Posted by interways View Post
    Your docs are not correct here, since, as I stated, it sometimes works one way on one server, then only the other way on another, identical, server.
    The logic of this statement escapes me, if the servers are 'identical' they would always behave in the same way, if it doesn't work on one of them then it can't be identical.

    Quote Originally Posted by interways View Post
    So, yes, you should play with it a little, see if you get it to work.
    If you seriously believe that it doesn't work on some servers have you filed a bug report so it can be checked?
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  7. #17
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    I know this is an old thread, but for reference...

    I had some hastles with my Ubuntu 8.04 (ZCS 6.09) to CentOS5.5-64bit.
    After a minimal CentOS reinstall I followed the instructions, still problems.
    Then after restoring the LDAP stuff and checking the .xml file, I reset MySQL passwords via CLI before starting services and then it worked.
    Just follow the instructions properly (and clear out store and index folders before you copy old ones), manually reset passwords (to same passwords as on old server) before starting and it was ok in my case.
    Ekkas

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