centos修改hostname

centos6修改hostname

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

centos7修改hostname

[root@localhost ~]# hostnamectl set-hostname test
#编辑下hosts文件， 给127.0.0.1添加hostname
[root@localhost ~]# vim /etc/hosts
127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4 test
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6