【Redis】centos7 systemctl 启动 Redis 失败

Centos7服务文件（.service）位置及案例介绍
https://blog.csdn.net/yaqiang2017/article/details/104580646

【Redis】centos7 systemctl 启动 Redis 失败
https://blog.csdn.net/yxzone/article/details/114861927