下载PHP的redis扩展
cd /mnt/
wget http://pecl.php.net/get/redis-5.2.1.tgz
解压并编译redis扩展
tar zxf redis-5.2.1.tgz
cd redis-5.2.1/
/usr/local/php/bin/phpize
./configure
make && make install
添加redis扩展
vim /usr/local/php/etc/php.ini
extension=redis.so
重启php-fpm
pkill -USR2 php-fpm
查看是否安装成功
/usr/local/php/bin/php -m | grep redis