Change Hostname

This procedure applies to TMG800, TMG3200, TMG7800 and ProSBC with static IP for management interfaces.
Requires version 2.9 and above
Note: For ProSBC, this will require a license update. Make sure you inform the Support team that this procedure will be done.

CentOS 7 procedure

• ssh to the management interface
• To view current hostname:

hostnamectl

• To update the hostname:

hostnamectl  set-hostname   NewHostName

• To update the /etc/hosts file:

vim /etc/hosts

Replace the hostnames in the file

• Reboot server:

shutdown -r now

• After reboot verify if everything is ok:

hostnamectl
cat /etc/hosts

ProSBC license

For ProSBC, you can then update the license: Update ProSBC license

CentOS 5 procedure

• ssh to the management interface
• To view current hostname:

hostname

• To update the hostname:

hostname NewHostName

• Reboot server:

shutdown -r now

Note: DO NOT change the hostname via webportal.