N天學習一個Linux命令之hostnamectl

前言

安裝了CentOS7，發現按照以前修改文件/etc/sysconfig/network HOSTNAME字段主機名的方式不生效了，查資料發現可以使用hostnamectl命令

 

用途

Control the system hostname

 

用法

hostnamectl [options] {command}

 

常用選項

--static

the static hostname which is used to initialize the kernel hostname at boot

--transient

he transient hostname which is a default received from network configuration.

--pretty

the high-level "pretty" hostname which might include all kinds of special characters

 

實踐

顯示主機名和相關信息

[root@vm-node1 ~]# hostnamectl
   Static hostname: vm-node1
         Icon name: computer-vm
           Chassis: vm
        Machine ID: 97a20c207e324ad78ef902d44d77affd
           Boot ID: 3663cc8de26b442c9bb84c4a07f4955a
    Virtualization: oracle
  Operating System: CentOS Linux 7 (Core)
       CPE OS Name: cpe:/o:centos:centos:7
            Kernel: Linux 3.10.0-693.el7.x86_64
      Architecture: x86-64

　　

設置主機名

[root@vm-node1 ~]# hostnamectl --static set-hostname vm-node1

　　

參考資料

【1】man hostnamectl