centos修改电脑主机名称

要修改2个文件：hosts和network

vim /etc/hosts

#Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1               localhost.localdomain mail #修改的主机名
::1             localhost6.localdomain6 localhost6
127.0.0.1       localhost                             

 

 

vim /etc/sysconfig/network

 

NETWORKING=yes
NETWORKING_IPV6=no
HOSTNAME=mail                               #修改的主机名
        
~            

~