修改hostname

cat /etc/sysconfig/network
vi /etc/sysconfig/network

NETWORKING=yes
HOSTNAME=wanggang

修改hosts

cat /etc/hosts
vi /etc/hosts

127.0.0.1 localhost

127.0.0.1 wanggang
192.168.0.100 window.wngn.zzia.com
127.0.0.1 linux.wngn.zzia.com
127.0.0.1 server
127.0.0.1 wngn.com
127.0.0.1 wngn.php.com

127.0.0.1 wngn.test.com
127.0.0.1 php.wngn.com
127.0.0.1 test.wngn.com
127.0.0.1 book.wngn.com
127.0.0.1 resource.wngn.com
127.0.0.1 sources.wngn.com
127.0.0.1 user.wngn.com
127.0.0.1 blog.wngn.com
127.0.0.1 crud.wngn.com

127.0.0.1 www.php.com
127.0.0.1 test.php.com
127.0.0.1 test.lua.com
127.0.0.1 user.lua.com
127.0.0.1 crud.lua.com
127.0.0.1 blog.lua.com
127.0.0.1 www.lua.com
127.0.0.1 echo.lua.com

127.0.0.1 www.blog.com
127.0.0.1 conf.lua.com
127.0.0.1 user.lua.com