將Redis設置為開機后台啟動

今天周一，一大早來公司，就聽到開發的同學說本地項目起不來了, 上周六加班兒還好好的, 應該是周日斷電導致的.

redis是關閉的，redis沒有設置開機自啟動，於是就先把問題先解決吧，然后寫個腳本設置redis開機自啟動。

1、在寫腳本前設置下redis允許在后台啟動，修改redis.conf文件，把daemonize no改成daemonize yes

2、開始編寫腳本

#vim /etc/init.d/redis  --創建腳本文件

REDISPORT=6379
EXEC=/usr/local/software/redis-4.0.9/redis-server
CLIEXEC=/usr/local/software/redis-4.0.9/redis-cli

PIDFILE=/data/redis-data/redis-6379/redis.pid
CONF="/data/redis-data/redis-6379/conf/redis.conf"

這里我的redis安裝路徑是/usr/local/software/redis-4.0.9,端口為6379,然后redis.conf文件在/data/***/conf/redis.conf下面，你們根據自己的實際情況修改就行(這個腳本可以根據redis自帶的啟動腳本進行修改，它默認的路徑是在$redis/utils/redis_init_script，$redis是redis的安裝路徑)

#!/bin/sh
#chkconfig: 2345 80 05
#description: Start and Stop redis

REDISPORT=6379
EXEC=/usr/local/software/redis-4.0.9/redis-server
CLIEXEC=/usr/local/software/redis-4.0.9/redis-cli

PIDFILE=/data/redis-data/redis-6379/redis.pid
CONF="/data/redis-data/redis-6379/conf/redis.conf"

case "$1" in
    start)
        if [ -f $PIDFILE ];then
            echo "$PIDFILE exists,process is already running or crashed"
        else
            echo "Starting Redis server..."
            $EXEC $CONF
        fi
        ;;
    stop)
        if [ ! -f $PIDFILE ];then
            echo "$PIDFILE does not exist,process is not running"
        else
            PID=$(cat $PIDFILE)
            echo "Stopping..."
            $CLIEXEC -p $REDISPORT shutdown
            while [ -x /proc/${PID} ]
                do
                    echo "Waiting for Redis to shutdown..."
                    sleep 1
                done
                echo "Redis stopped"
        fi
        ;;
    restart)
        "$0" stop
        sleep 3
        "$0" start
        ;;
    *)
        echo "Please use start or stop or restart as first argument"
        ;;
esac

3、寫完記得修改文件權限

#chmod +x /etc/init.d/redis

4、把腳本添加到系統服務列表

chkconfig --add redis
chkconfig redis
chkconfig --list
chkconfig --help // 這里如果上傳的redis啟動文件有問題, 可以通過help命令具體操作;

5、reboot 服務器重啟，重啟后

6、ps -ef | grep redis 查看redis