/var/run/redis_6379.pid exists, process is already running or crashed解决方案

在安装redis的过程中，启动service redisd start时报错
/var/run/redis_6379.pid exists, process is already running or crashed
解决方案：
执行命令：

rm -rf /var/run/redis_6379.pid

然后重新执行 service redisd start
问题解决！