Change System's Hostname in AIX

Question

Change System's Hostname in AIX

Answer

This document lists instructions for changing the hostname of a system in AIX.

1) Permanently change hostname for inet0 device in the ODM

by choosing one of the following:

Command line method:

chdev -l inet0 -a hostname=<newhostname>

SMIT method:

smitty hostname (fastpath)

2) Change the name of the node which changes the uname

process by choosing one of the following:

Command line method:

uname -S <newhostname>

or run the following script:

/etc/rc.net

3) Change the hostname on the current running system.

Enter:

hostname <newhostname>

4) Change the /etc/hosts file to reflect the new hostname.

5) Change DNS name server, if applicable.