Ubuntu 16.04
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Set Hostname2016/04/21

 
This is the example for setting Hostname of your system.
[1] Change hostname. (but if rebooting, it will be back).
# show current hostname

root@ubuntu:~#
ubuntu
# change hostname

root@ubuntu:~#
root@ubuntu:~#
dlp    
# just changed

[2] Change hostname permanently.
root@ubuntu:~#
hostnamectl set-hostname dlp
# display settings

root@ubuntu:~#
   Static hostname: dlp
         Icon name: computer-vm
           Chassis: vm
        Machine ID: 4146e8929ffa426ebdac4569cf024113
           Boot ID: fb2d71a7d85b44a39a8444a94e510b08
    Virtualization: kvm
  Operating System: Ubuntu 16.04 LTS
            Kernel: Linux 4.4.0-21-generic
      Architecture: x86-64
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