Set Hostname2015/05/27

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

# show current hostname

[root@localhost ~]#

hostname

localhost.localdomain

# change hostname

[root@localhost ~]#

hostname dlp.srv.world

[root@localhost ~]#

hostname

dlp.srv.world

# just changed

[2]	Change hostname permanently.

[root@localhost ~]#

hostnamectl set-hostname dlp.srv.world

# show status

[root@localhost ~]#

hostnamectl

   Static hostname: dlp.srv.world
         Icon name: computer-vm
           Chassis: vm
        Machine ID: 60e88907bca345f8ae635a585cf55825
           Boot ID: 206b011b1cc942a19e02be72dd9733f5
    Virtualization: kvm
  Operating System: Fedora 22 (Twenty Two)
       CPE OS Name: cpe:/o:fedoraproject:fedora:22
            Kernel: Linux 4.0.4-301.fc22.x86_64
      Architecture: x86-64

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