Set Hostname2015/05/01

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

# show current hostname

root@debian:~#

hostname

debian

# change hostname

root@debian:~#

hostname dlp

root@debian:~#

hostname

dlp

# just changed

[2]	Change hostname permanently.

root@debian:~#

hostnamectl set-hostname dlp

# show settings

root@debian:~#

hostnamectl

   Static hostname: dlp
         Icon name: computer-vm
           Chassis: vm
        Machine ID: 5f47b11299ed4689a48a7f78197e452a
           Boot ID: bdeed3b6c079405bb45d79eff3e870a5
    Virtualization: vmware
  Operating System: Debian GNU/Linux 8 (jessie)
            Kernel: Linux 3.16.0-4-amd64
      Architecture: x86-64

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