Linux_CentOS7配置主机名
Linux_CentOS7配置主机名
方式一:临时修改主机名
语法:
#hostname <主机名>
例:
[root@hyldb /]# hostname hyltest [root@hyldb /]# su - Last login: Sun May 3 17:58:30 CST 2015 on pts/1 [root@hyltest ~]#
方式二:命令修改主机名
语法:
#hostnamectl set-hostname <主机名>
查看hostnamectl命令帮助
[root@hyldb ~]# hostnamectl -help
hostnamectl [OPTIONS...] COMMAND ...
Query or change system hostname.
-h --help Show this help
--version Show package version
--transient Only set transient hostname
--static Only set static hostname
--pretty Only set pretty hostname
-P --privileged Acquire privileges before execution
--no-ask-password Do not prompt for password
-H --host=[USER@]HOST Operate on remote host
Commands:
status Show current hostname settings
set-hostname NAME Set system hostname
set-icon-name NAME Set icon name for host
set-chassis NAME Set chassis type for host
例:
[root@hyltest ~]# hostnamectl set-hostname hyldb [root@hyltest ~]# su - Last login: Sun May 3 18:02:11 CST 2015 on pts/1 [root@hyldb ~]#
方式三:配置文件手工修改主机名
语法:
修改hostname配置文件
例:
[root@hyltest ~]# cd /etc [root@hyltest etc]# vi hostname hyldb ~ [root@hyltest etc]# su - Last login: Sun May 3 18:03:15 CST 2015 on pts/1 [root@hyldb ~]#
小结:
hostnamectl -help
/etc/hostname
注意修改主机名后,对/etc/hosts文件相应的添加主机映射名称。
[root@hyldb etc]# cat hosts 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 10.53.105.10 hyldb
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