w命令行搞定。
https://www.digitalocean.com/community/tutorials/how-to-set-up-mod_rewrite-for-apache-on-ubuntu-14-04
1 ubuntu@ubuntu:~$ su 2 Password: 3 root@ubuntu:/home/ubuntu# a2enmod rewrite 4 Enabling module rewrite. 5 To activate the new configuration, you need to run: 6 service apache2 restart 7 root@ubuntu:/home/ubuntu# service apache2 restart
activate mod_rewrite How To Set Up mod_rewrite for Apache on Ubuntu 14.04
原文：http://www.cnblogs.com/yuanjiangw/p/6369197.html