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Rename a Hostname

• SuperUser (root) privilege is needed
• E.g. hostname from “cbkadal” to “Coba”

hostnamectl set-hostname Coba
hostnamectl

(RESULT)

root@cbkadal:~# hostnamectl set-hostname Coba

root@cbkadal:~# hostnamectl
   Static hostname: Coba
         Icon name: computer-vm
           Chassis: vm
        Machine ID: a42f2d0a337a46629ea22087bd3cae63
           Boot ID: fae4d3c5d501435aaee43e35c3960b5d
    Virtualization: oracle
  Operating System: Debian GNU/Linux 10 (buster)
            Kernel: Linux 4.19.0-17-amd64
      Architecture: x86-64

root@cbkadal:~# 

• E.g. hostname from “Coba” back to “cbkadal”

hostnamectl set-hostname cbkadal
hostnamectl

(RESULT)

root@cbkadal:~# hostnamectl set-hostname cbkadal

root@cbkadal:~# hostnamectl
   Static hostname: cbkadal
         Icon name: computer-vm
           Chassis: vm
        Machine ID: a42f2d0a337a46629ea22087bd3cae63
           Boot ID: fae4d3c5d501435aaee43e35c3960b5d
    Virtualization: oracle
  Operating System: Debian GNU/Linux 10 (buster)
            Kernel: Linux 4.19.0-17-amd64
      Architecture: x86-64

root@cbkadal:~# 

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