SLES 12
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Set Hostname
2015/11/21
 
This is the example for setting Hostname of your system.
[1] Change hostname. (but if rebooting, it will be back).
# show current hostname

localhost:~ #
localhost
# change hostname

localhost:~ #
hostname dlp.srv.world

localhost:~ #
dlp.srv.world    
# just changed

[2] Change hostname permanently.
localhost:~ #
hostnamectl set-hostname dlp.srv.world
# show status

localhost:~ #
   Static hostname: dlp.srv.world
         Icon name: computer-vm
           Chassis: vm
        Machine ID: 2a5d1c0e8a0f4260a922c4e4a356a863
           Boot ID: f67c3cd09d884687b92c4da52860927e
    Virtualization: kvm
  Operating System: SUSE Linux Enterprise Server 12
       CPE OS Name: cpe:/o:suse:sles:12
            Kernel: Linux 3.12.28-4-default
      Architecture: x86-64
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