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Ubuntu中快速修改主机名的技巧

2021-03-09
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对于Ubuntu1404后的Ubuntu系统，修改主机名无需再修改多处系统配置并重启系统

借助hostnamectl命令我们可以很方便的修改主机名且无需重启

查看主机名

ubuntu@my-machine:~$ hostnamectl status
   Static hostname: my-machine
         Icon name: computer-vm
           Chassis: vm
        Machine ID: 6ffef97fac51426e8e6741b4f8eb59eb
           Boot ID: 6565db91b77645ec8ca7ea502819c547
    Virtualization: kvm
  Operating System: Ubuntu 18.04.4 LTS
            Kernel: Linux 4.15.0-143-generic
      Architecture: x86-64

修改主机名

ubuntu@my-machine:~$ sudo hostnamectl set-hostname my-machine-new

再次查看主机名

ubuntu@my-machine:~$ hostnamectl status
   Static hostname: my-machine-new
         Icon name: computer-vm
           Chassis: vm
        Machine ID: 6ffef97fac51426e8e6741b4f8eb59eb
           Boot ID: 6565db91b77645ec8ca7ea502819c547
    Virtualization: kvm
  Operating System: Ubuntu 18.04.4 LTS
            Kernel: Linux 4.15.0-143-generic
      Architecture: x86-64