# 其他

设置主机名

如果您想更改系统的主机名，请按如下方式设置。

<table class="base" id="bkmrk-%5B1%5D-%E6%9B%B4%E6%94%B9%E4%B8%BB%E6%9C%BA%E5%90%8D%E3%80%82%EF%BC%88%E4%BD%86%E6%98%AF%E5%BD%93%E7%B3%BB%E7%BB%9F%E9%87%8D%E6%96%B0%E5%90%AF%E5%8A%A8" summary="1"><tbody><tr><td class="num"><span>\[1\]</span></td><td><span>更改主机名。（但是当系统重新启动时，它会回来）</span></td></tr></tbody></table>

```
# show current hostname
[root@localhost ~]# hostname
localhost.localdomain
# change hostname
[root@localhost ~]# hostname dlp.srv.world
[root@localhost ~]# hostname
dlp.srv.world     # changed
```

<table class="base" id="bkmrk-%5B2%5D-%E6%B0%B8%E4%B9%85%E6%9B%B4%E6%94%B9%E4%B8%BB%E6%9C%BA%E5%90%8D%E3%80%82" summary="2"><tbody><tr><td class="num"><span>\[2\]</span></td><td><span>永久更改主机名。</span></td></tr></tbody></table>

```
[root@localhost ~]# hostnamectl set-hostname dlp.srv.world
# show settings
[root@localhost ~]# hostnamectl
 Static hostname: dlp.srv.world
       Icon name: computer-vm
         Chassis: vm
      Machine ID: 4d832da9210f4cf8a4e4fbda78a5f42f
         Boot ID: 782a2058fcc74321938134befdb1709a
  Virtualization: kvm
Operating System: Fedora Linux 35 (Server Edition)
     CPE OS Name: cpe:/o:fedoraproject:fedora:35
          Kernel: Linux 5.14.10-300.fc35.x86_64
    Architecture: x86-64
 Hardware Vendor: Red Hat
  Hardware Model: KVM
```