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How to open redis

Aug 08, 2019 am 10:16 AM
redis

How to open redis

redis怎么打开?

redis的启动方式

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

  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

 根据启动脚本,将修改好的配置文件复制到指定目录下,用root用户进行操作:

mkdir /etc/redis
cp redis.conf /etc/redis/6379.conf

 将启动脚本复制到/etc/init.d目录下,本例将启动脚本命名为redisd(通常都以d结尾表示是后台自启动服务)。

cp redis_init_script /etc/init.d/redisd

设置为开机自启动,直接配置开启自启动 chkconfig redisd on 发现错误: service redisd does not support chkconfig

解决办法,在启动脚本开头添加如下注释来修改运行级别:

#!/bin/sh
# chkconfig:   2345 90 10

 再设置即可

#设置为开机自启动服务器
chkconfig redisd on
#打开服务
service redisd start
#关闭服务
service redisd stop

更多Redis相关知识,请访问Redis使用教程栏目!

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