After running a system upgrade on your Ubuntu based ISPConfig 3 server, it might happen that aptitude overwrites some config files from postfix especially the main.cf file. To fix this, download the latest ISPConfig 3 installer, unpack it and run the update.php script. Choose "yes" when the updater asks if the services shall be reconfigured. ISPConfig will replace the configuration files that had been modified by the ubuntu upgrade.

cd /tmp
wget http://www.ispconfig.org/downloads/ISPConfig-3-stable.tar.gz
tar xvfz ISPConfig-3-stable.tar.gz
cd ispconfig3_install/install
php -q update.php

I get the following error message after an Ubuntu upgrade: s_connect() failed: Permission denied Invalid user specified.
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2 thoughts on “I get the following error message after an Ubuntu upgrade: s_connect() failed: Permission denied Invalid user specified.

  • October 25, 2009 at 8:32 am
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    A question about update. I am running ispconfig3 on my server and i want to update. Should i reconfigure services? this action can damage my sites? Thanks

    Reply
  • October 25, 2009 at 10:08 am
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    Reconfiguring is not needed if your setup is working properly. But sometimes it is nescessary to do a reconfiguration if the new ispconfig version needs a different configuration. Normally reconfiguring the services does not break anythin, I use it always on my servers. But if you manually changed settings e.g. in postfix main.cf, your manual changes will most likely be removed.

    Reply

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