How to change hostname

You can use below tips to change hostname. You just need to change 4 files to make the change persistent across reboot. There are /etc/nodename, /etc/hostname.<interface>, /etc/inet/hosts, and /etc/inet/nodename. Interface used in this example is Intel PRO/1000 Gigabit family device driver (e1000g).

1. Modify /etc/nodename to include your new hostname. The new hostname used is solaris-sunray.
   bash # vi /etc/nodename
   solaris-sunray
2. Modify /etc/hostname.e1000g0 and insert new hostname.

     ...

        solaris-sunray

3. Modify /etc/inet/hosts and /etc/inet/ipnodes and insert new hostname
   ...
   172.16.31.242 solaris-sunray
4. Modify /etc/inet/hosts and /etc/inet/ipnodes ard insert new hostname
   ...
   172.16.31.242 solaris-sunray
5. Set the new hostname in running host
   bash # hostname solaris-sunray