centos中修改主机名的规范
@H_301_2@修改主机名的规范步骤: @H_301_2@第一步:hostname 主机名 @H_301_2@修改完之后只对当前用户生效,对于其他用户无效 @H_301_2@举例:把主机名oldboy修改成oldboylinux @H_301_2@[root@oldboy ~]# hostnameoldboy
[root@oldboy ~]# hostname oldboylinux
[root@oldboy ~]# hostname
oldboylinux @H_301_2@
@H_301_2@第二步:/etc/sysconfig/network 中的HOSTNAME也要修改成oldboylinux @H_301_2@此操作是针对于全局有效的。 @H_301_2@[root@oldboylinux ~]# cat /etc/sysconfig/network
NETWORKING=yes
HOSTNAME=oldboy
[root@oldboylinux ~]# sed -i 's#oldboy#oldboylinux#g' /etc/sysconfig/network
[root@oldboylinux ~]# cat /etc/sysconfig/network
NETWORKING=yes
HOSTNAME=oldboylinux
[root@oldboylinux ~]# /etc/sysconfig/networkHOSTNAME @H_301_2@
@H_301_2@第三步:本地hosts回环主机名也要修改 @H_301_2@[root@oldboylinux ~]# cat /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 oldboy
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 oldboy
[root@oldboylinux ~]# sed -i 's#oldboy#oldboylinux#g' /etc/hosts
[root@oldboylinux ~]# cat /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 oldboylinux
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 oldboylinux @H_301_2@
@H_301_2@补充说明:如果用setup--dns设置主机名,永久生效(但命令行不生效,不推荐此方法) @H_301_2@影响/etc/sysconfig/network和/etc/hosts配置文件 原文链接:https://www.f2er.com/centos/376748.html