Fedora 34
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Set Hostname
2021/04/30
 
If you would like to change Host Name of your System, set like follows.
[1] Change hostname. (but when System restarted, it will be back)
# show current hostname

[root@localhost ~]#
localhost.localdomain
# change hostname

[root@localhost ~]#
hostname dlp.srv.world

[root@localhost ~]#
dlp.srv.world    
# changed

[2] Change hostname permanently.
[root@localhost ~]#
hostnamectl set-hostname dlp.srv.world
# show settings

[root@localhost ~]#
 Static hostname: dlp.srv.world
       Icon name: computer-vm
         Chassis: vm
      Machine ID: 7c16d64f1d374cf28cc758918f5cebd5
         Boot ID: b2385171efe742eda8f62fe6152864e3
  Virtualization: kvm
Operating System: Fedora 34 (Server Edition)
     CPE OS Name: cpe:/o:fedoraproject:fedora:34
          Kernel: Linux 5.11.12-300.fc34.x86_64
    Architecture: x86-64
 Hardware Vendor: Red Hat
  Hardware Model: KVM
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