apache 启动和停止
sudo service apache2 start/stop
mysql 启动和停止
sudo service mysql start/stop
mysql -uroot -pyjy666
ubuntu 安装mysqli & pdo 扩展
apt-get install php-mysql
service apache2 restart
sudo service apache2 start/stop
sudo service mysql start/stop
mysql -uroot -pyjy666
apt-get install php-mysql
service apache2 restart