Hostname

Show current server hostname:
hostname
Show current server hostname, and other useful info:
hostnamectl status
example output:
root@test:~# hostnamectl status
 Static hostname: test
       Icon name: computer-vm
         Chassis: vm
      Machine ID: 8c1d97558b594586af68685af4a049c9
         Boot ID: c2478c600d2b43f0bf58682f1df01013
  Virtualization: kvm
Operating System: Ubuntu 22.04.3 LTS
          Kernel: Linux 5.15.0-106-generic
    Architecture: x86-64
 Hardware Vendor: QEMU
  Hardware Model: Standard PC _i440FX + PIIX, 1996_
Change server hostname: