hostnamectl 修改 CentOS7 主机名

# 显示状态
hostnamectl

   Static hostname: centos
         Icon name: computer-vm
           Chassis: vm
        Machine ID: a0cacaa7df9a4b77808d5686a92f07bb
           Boot ID: bec1154b17bf4cdaa515ac528e4aab87
    Virtualization: vmware
  Operating System: CentOS Linux 7 (Core)
       CPE OS Name: cpe:/o:centos:centos:7
            Kernel: Linux 3.10.0-862.el7.x86_64
      Architecture: x86-64

# 查看帮助
hostnamectl -h

hostnamectl [OPTIONS...] COMMAND ...
Query or change system hostname.
  -h --help              Show this help
     --version           Show package version
     --no-ask-password   Do not prompt for password
  -H --host=[USER@]HOST  Operate on remote host
  -M --machine=CONTAINER Operate on local container
     --transient         Only set transient hostname
     --static            Only set static hostname
     --pretty            Only set pretty hostname
Commands:
  status                 Show current hostname settings
  set-hostname NAME      Set system hostname
  set-icon-name NAME     Set icon name for host
  set-chassis NAME       Set chassis type for host
  set-deployment NAME    Set deployment environment for host
  set-location NAME      Set location for host

cat /etc/hostname

hostname

vim /etc/hostname

hostnamectl set-hostname xxxx