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  • How to rename a computer

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Set up the OpenVPN client under the new name: OpenVPN#Per-clientconfiguration%28serverandclient%29

Postfix

(warning) Do not restart or reload postfix until all files have been updated.

Update by editing:

  • /etc/aliases  If it is changed, run the newalises command.
  • /etc/mailname
  • /etc/postfix/header_checks  If the file doesn't exist, create it using the procedure at http://wiki.bluelightav.org/x/PAIW . (warning) Do not restart or reload postfix until all files have been updated.   If it is changed, run the postmap command on it, in the /etc/postfix directory.
  • /etc/postfix/generic  If it is changed, run the postmap command on it, in the /etc/postfix directory.

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Ubuntu

Change the hostname

  • edit Edit /etc/hostname
  • edit Edit /etc/hosts
  • service hostname restart

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