linux-更改主机名
1. root用户修改/etc/sysconfig/network文件
NETWORKING=yes
HOSTNAME=MYHOSTNAME
2. root用户修改/etc/hosts文件
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 localhost.localdomain localhost
202.102.192.68 MYHOSTNAME
3. hostname MYHOSTNAME
用户退出，重新登陆