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.

To verify the hostname using the "uname" command:

  $ uname -n

To verify the hostname using the "hostname" command:

  $ hostname -a
  $ hostname -s
  $ hostname -d
  $ hostname -f
  $ hostname

To verify the hostname in important system files:

  $ more /etc/hostname
  $ more /etc/hosts
  $ more /etc/sysconfig/network