ubuntu18.04安装php memcache扩展

1.下载memcached
sudo apt-get install memcachesd
2.启动memcached
memcached -d -m 64m -p 11211
3.查看启动状态
ps -ef | grep memcachd
4.下载php-memcached
sudo apt-get install php-memcached
5.查看是否开启
php -m
6.重启nginx
systemctl restart nginx.service