Change Hostname

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This procedure applies to TMG800, TMG3200, TMG7800 and ProSBC with static IP for management interfaces. Requires version 2.9 and above

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

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.

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