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  • How to know hostname in linux
    • Bash get hostname

    Linux get hostname from ip.

    hostname command in Linux with examples

    hostname command in Linux is used to obtain the DNS (Domain Name System) name and set the system’s hostname or NIS (Network Information System) domain name.

    A hostname is a name given to a computer and attached to the network. Its main purpose is to uniquely identify over a network.

    Syntax of the `hostname` command in Linux

    hostname -[option] [file]

    Example: We obtain the system hostname by just typing the hostname without any attributes.

    Linux hostname environment variable

    hostname

    Options          DescriptionSyntax
    -a

    This option is used to get the alias name of the host system (if any).

    It will return an empty line if no alias name is set. This option enumerates all configured addresses on all network interfaces.

    		hostname -a
    -A

    This option is used to get all FQDNs (Fully Qualified Domain Name) of the host system.

    Hostname command not found

  • Linux hostname file
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  • Linux hostname environment variable
  • How to find hostname in ubuntu terminal

    • It enumerates all configured addresses on all network interfaces. An output may display the same entries repetitively.

    		hostname -A
    -b

    Used to always set a hostname.

    Default name is used if none spec

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