hostnamectl

hostnameclt command included in the systemd package.

hostnameclt
hostnameclt | grep "Operating System"

Examples

• Set hostname:
  • hostnamectl set-hostname NEW_SERVER_NAME.YOUR_DOMAIN.COM

• Read information:

hostnamectl
   Static hostname: VM_NAME1
Transient hostname: VM_NAME2
         Icon name: computer-vm
           Chassis: vm
        Machine ID: 55b9165a7ae241bf9b59adaf1d93a867
           Boot ID: t46f00f0acda40a9b2aaecf3fec1b512
    Virtualization: vmware
  Operating System: Ubuntu 20.04.1 LTS
            Kernel: Linux 5.4.0-53-generic

/etc/cloud/cloud.cfg
preserve_hostname=true

Related terms

• virt-clone
• net-hostname (virt-sysprep)
• hostname: /etc/hostname
• /etc/hosts
• host
• Terraform provisioner: remote-exec
• lsb_release

See also

• hostnamectl, cloud-init, /etc/cloud/cloud.cfg
• FQDN, DNS, hostname, dnsdomainname, domainname, hostnamectl, /etc/hostname, /etc/resolv.conf, /etc/systemd/resolved.conf, hostname -f