参考
http://askubuntu.com/questions/59458/error-message-when-i-run-sudo-unable-to-resolve-host-none
在/etc/hosts中把新的名称加进去
参考
http://askubuntu.com/questions/59458/error-message-when-i-run-sudo-unable-to-resolve-host-none
在/etc/hosts中把新的名称加进去
