新增配置文件，根据自己安装的php-fpm路径修改   vim /usr/lib/systemd/system/php-fpm.service

[Unit]
Description=The PHP FastCGI Process Manager
After=syslog.target network.target

[Service]
Type=simple
PIDFILE=/data/soft/php56/var/run/php-fpm.pid
ExecStart=/data/soft/php56/sbin/php-fpm --nodaemonize --fpm-config /data/soft/php56/etc/php-fpm.conf
ExecRestart=/bin/kill -USR2 $PIDFILE
ExecStop=/bin/kill -SIGINT $PIDFILE

[Install]
WantedBy=multi-user.target

增加开机启动

systemctl enable php-fpm.service

操作命令

启动
systemctl start php-fpm.service 

停止
systemctl stop php-fpm.service 

重启
systemctl restart php-fpm.service