In our Tutorial we show you how to change the name of a computer/cloud-server that is connected to a network. View our step by step instruction. To view the name of the DNS domain and FQDN (Fully Qualified Domain Last but not least, to change or set hostname of your Linux system. dnsdomainname will print the domain part of the FQDN (Fully Qualified Domain Name). The complete FQDN of the system is returned with hostname --fqdn. How can I ask for a fully qualified hostname or for a hostname? Some tutorials will ask for a fully qualified domain name (FQDN) which is the hostname plus a domain name. Distribution: Red Hat Linux WS version 3. A fully qualified domain name (FQDN) is the complete domain name for a specific computer, or host, on the internet. The FQDN consists of two. NAME. hostname - show or set the system's host name. SYNOPSIS. hostname [-v ] [-a] [--alias] [-d] [--domain] [-f] [--fqdn] [-A] [--all-fqdns] [-i] [--ip-address] [-I]. I go with the short name as the HOSTNAME setting, and set the FQDN as the first column in /etc/hosts for the server's IP, followed by the short. Unix and Linux hostname command help, examples, and additional hostname [-v] [-a|--alias] [-d|--domain] [-f|--fqdn|--long] [-A|--all-fqdns]. Linux find hostname command: Explains how to see or view your To see the domain part of the FQDN (Fully Qualified Domain Name), enter. MUST HAVE SINGLE HOSTNAME after FQDN in /etc/hosts file. That shows hostname in shell and then has the FQDN when you need it.