Linux Redhat修改主机名

redhat中修改主机名
第一步：

#hostname oratest

第二步：
修改/etc/sysconfig/network中的hostname
第三步：
修改/etc/hosts文件

[root@localhost~]# uname -a
Linux localhost.localdomain 2.6.18-308.1.1.el5 #1 SMP Wed Mar 7 04:16:51 EST 2012 x86_64 x86_64 x86_64 GNU/Linux
[root@localhost ~]# hostname zabbix
[root@localhost ~]# uname -a
Linux zabbix 2.6.18-308.1.1.el5 #1 SMP Wed Mar 7 04:16:51 EST 2012 x86_64 x86_64 x86_64 GNU/Linux
[root@localhost ~]# vi /etc/sysconfig/network
[root@localhost ~]# vi /etc/hosts
[root@localhost ~]# service network restart
Shutting down interface eth0:                              [  OK  ]
Shutting down loopback interface:                          [  OK  ]
Bringing up loopback interface:                            [  OK  ]
Bringing up interface eth0:                                 [  OK  ]