How to start redis

redis的三种启动方式

1.直接启动

进入redis根目录，执行命令:

#加上‘&’号使redis以后台程序方式运行

./redis-server &

2.通过指定配置文件启动(redis教程)

可以为redis服务启动指定配置文件，例如配置为/etc/redis/6379.conf

进入redis根目录，输入命令：

./redis-server /etc/redis/6379.conf

#如果更改了端口，使用`redis-cli`客户端连接时，也需要指定端口，例如：

redis-cli -p 6380

3.使用redis启动脚本设置开机自启动

启动脚本 redis_init_script 位于位于Redis的 /utils/ 目录下，redis_init_script脚本代码如下：

#!/bin/sh
#
# Simple Redis init.d script conceived to work on Linux systems
# as it does use of the /proc filesystem.
 
#redis服务器监听的端口
REDISPORT=6379
 
#服务端所处位置
EXEC=/usr/local/bin/redis-server
 
#客户端位置
CLIEXEC=/usr/local/bin/redis-cli
 
#redis的PID文件位置，需要修改
PIDFILE=/var/run/redis_${REDISPORT}.pid
 
#redis的配置文件位置，需将${REDISPORT}修改为文件名
CONF="/etc/redis/${REDISPORT}.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
        ;;
    *)
        echo "Please use start or stop as first argument"
        ;;
esac

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