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hoangtranwork/change-hostname-no-restart.md

Last active November 28, 2017 09:32
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Without restart. Retain across ssh sessions (pernament). This also help avoiding `sudo: unable to resolve host` warning
Raw
change-hostname-no-restart.md

Steps:

  1. edit /etc/hostname: only 1 line with the new-hostname
new-hostname
  1. edit /etc/hosts: 2 lines
127.0.0.1 localhost new-hostname
127.0.1.1 new-hostname
  1. run sudo service hostname start

NOTE:

  • Need to edit both files with the same value for new-hostname, then restart the hostname service.
  • Work on Ubuntu 14: 
    lsb_release -a                                                                                                                                                               0 < 09:25:15
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 14.04.5 LTS
Release:	14.04
Codename:	trusty
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