Unix hostname, hosts, and sysconfig/network

One of our Unix servers turned up with an incorrect hostname.

This page has tips to verify your Unix hostname.

The uname command

To verify the hostname using the "uname" command:
  $ uname -n

The hostname command

To verify the hostname using the "hostname" command:
  $ hostname -a
  $ hostname -s
  $ hostname -d
  $ hostname -f
  $ hostname

System files

To verify the hostname in important system files:
  $ more /etc/hostname
  $ more /etc/hosts
  $ more /etc/sysconfig/network



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