0:装vnc环境配置
查看主机名是否配置
[root@ruei ~]# cat /etc/sysconfig/network
NETWORKING=yes
NETWORKING_IPV6=yes
HOSTNAME=ruei
[root@ruei ~]# cat /etc/hosts
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 ruei localhost.localdomain localhost
::1 localhost6.localdomain6 localhost6
192.0.99.42 ruei