Linux命令-hostnamectrl重命名主機名

NAME
       hostnamectl - Control the system hostname

SYNOPSIS
       hostnamectl [OPTIONS...] {COMMAND}

DESCRIPTION
       hostnamectl may be used to query and change the system hostname and
       related settings.


set-hostname NAME
           Set the system hostname to NAME. 

[fengling@fengling129 ~]$ hostnamectl set-hostname hadoop131

重啓之後終端就會顯示修改的主機名。