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1.查看主机名。
uname -n
hostname
2.临时修改。
hostname JaneYork //退出shell,再次进入即可修改成功
3.永久修改。
vi /etc/sysconfig/network
NETWORKING=yes
HOSTNAME=JaneYork //改成自己的hostname
vi /etc/hosts
[root@instance-zq6zwn1b ~]# vi /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
172.16.0.7 instance-zq6zwn1b instance-zq6zwn1b.novalocal
红色内容改成youname
vi /etc/hostname
[root@JaneYork ~]# vi /etc/sysconfig/network
NETWORKING=yes
HOSTNAME=JaneYork
NETWORKING_IPV6=yes