搭建Redis主从，使用源码包安装，从机配置systmed启动
[root@redis-slave redis]# vim /usr/lib/systemd/system/redis.service
[Unit]
Description=redis
After=network.target
[Service]
Type=forking
PIDFile=/var/run/redis_6379.pid
ExecStart=/usr/local/redis/bin/redis-server /usr/local/redis/conf/redis.conf
ExecReload=/bin/kill -s[……]