【Centos7】hostnamectl 设置主机名

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Centos7中提供了设置主机名的工具 hostnamectl

hostname有三种状态 static(永久) transient(瞬态) pretty (灵活)

查看主机名状态

[oracle@hadoop ~]$ hostnamectl status   Static hostname: hadoop         Icon name: computer-vm           Chassis: vm        Machine ID: 52f2b03b2afb46be8b195895d9025dd3           Boot ID: e948f0f5e7524fb38c56f36dfbe4abb7    Virtualization: vmware  Operating System: CentOS Linux 7 (Core)       CPE OS Name: cpe:/o:centos:centos:7            Kernel: Linux 3.10.0-514.2.2.el7.x86_64      Architecture: x86-64
设置主机名为centos7(瞬态)

[oracle@hadoop ~]$ hostnamectl --transient set-hostname centos7
设置主机名为centos7(永久)

[oracle@hadoop ~]$ hostnamectl --static set-hostname centos7

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