http://blog.csdn.net/kaizhu_qin/article/details/17506293 很多第一次配置apache的虚拟主机的时候,以为配置第一个虚拟主机完成以后,以后就不会出现什么问题了.在配置第一个虚拟主机的时候,重启apache的时候,都可能会遇到下面的问题:[warn] _default_ VirtualHost overlap on port 80, the first has precedence是因为第一个虚拟主机配置已经占用了80端口,所以将会沿用第一虚…
pkexec visudo askubuntu原回答摘抄如下 On a modern Ubuntu system (and many other GNU/Linux distributions), fixing a corrupted sudoers file is actually quite easy, and doesn't require rebooting, using a live CD, or physical access to the machine. To do this v…