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centos修改主机名的正确方法

1 centos6下修改hostname

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[root@centos6 ~]$ hostname                                              # 查看当前的hostnmaecentos6.magedu.com
[root@centos6 ~]$ vim /etc/sysconfig/network                            # 编辑network文件修改hostname行(重启生效)
[root@centos6 ~]$ cat /etc/sysconfig/network                            # 检查修改
NETWORKING=yes
HOSTNAME=centos66.magedu.com
[root@centos6 ~]$ hostname centos66.magedu.com                          # 设置当前的hostname(立即生效)
[root@centos6 ~]$ vim /etc/hosts                                        # 编辑hosts文件,给127.0.0.1添加hostname
[root@centos6 ~]$ cat /etc/hosts                                        # 检查127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 centos66.magedu.com::1 localhost localhost.localdomain localhost6 localhost6.localdomain6

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2 centos7修改hostname

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[root@centos7 ~]$ hostnamectl set-hostname centos77.magedu.com             # 使用这个命令会立即生效且重启也生效
[root@centos7 ~]$ hostname                                                 # 查看下centos77.magedu.com
[root@centos7 ~]$ vim /etc/hosts                                           # 编辑下hosts文件, 给127.0.0.1添加hostname
[root@centos7 ~]$ cat /etc/hosts                                           # 检查127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4 centos77.magedu.com::1         localhost localhost.localdomain localhost6 localhost6.localdomain6


发布时间:2020/6/21 16:17:34

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