centos7.2安装redis

系统环境：centos7.2

redis版本：redis-4.0.2

一、安装redis

1、下载redis安装包

我的目录：/usr/java

wget http://download.redis.io/releases/redis-4.0.2.tar.gz

2、解压压缩包

tar -zxvf redis-4.0.2.tar.gz

3、yum安装gcc依赖

yum install gcc

4、跳转到redis解压目录下

cd redis-4.0.2

5、编译

make

6、编译完成后，在src目录下，有四个可执行文件redis-server、redis-benchmark、redis-cli和redis.conf。然后拷贝到一个目录下。

mkdir /usr/local/redis
cp redis-server /usr/local/redis
cp redis-benchmark /usr/local/redis
cp redis-cli /usr/local/redis
cp redis.conf /usr/local/redis

6、测试是否安装成功

先切换到src下，然后执行./redis-server

cd /usr/local/redis
./redis-server

如果启动后显示redis的相关信息，则启动成功

二、后台进程方式启动

1、修改redis.conf文件

将守护线程daemonize no改为：daemonize yes

去掉requirepass前面#号，并输入redis密码，后面会用到

2、新增启动文件

vim /etc/init.d/redis

复制以下内容，修改其中文件路径为自身配置

#!/bin/sh
    # chkconfig: 2345 80 90
    # description: Start and Stop redis
    #PATH=/usr/local/bin:/sbin:/usr/bin:/bin
    REDISPORT=6379
    EXEC=/usr/local/redis/redis-server     
    REDIS_CLI=/usr/local/redis/redis-cli     
    PIDFILE=/var/run/redis_6379.pid
    CONF="/usr/local/redis/redis.conf"     
    AUTH="123456"

case "$1" in
    start)
        if [ -f $PIDFILE ]
        then
                echo "$PIDFILE exists, process is already running or crashed"
        else
                echo "Starting Redis server..."
                $EXEC $CONF
        fi
        if [ "$?"="0" ] 
        then 
              echo "Redis is running..."
        fi 
        ;;
    stop)
        if [ ! -f $PIDFILE ]
        then
                echo "$PIDFILE does not exist, process is not running"
        else
                PID=$(cat $PIDFILE)
                echo "Stopping ..."
                $REDIS_CLI -a $AUTH -p $REDISPORT SHUTDOWN
                while [ -x ${PIDFILE} ]
               do
                    echo "Waiting for Redis to shutdown ..."
                    sleep 1
                done
                echo "Redis stopped"
        fi
        ;;
   restart|force-reload)
        ${0} stop
        ${0} start
        ;;
  *)
    echo "Usage: /etc/init.d/redis {start|stop|restart|force-reload}" >&2
        exit 1
esac

REDISPORT=6379 端口号
EXEC=/usr/local/redis/redis-server 启动命令
REDIS_CLI=/usr/local/redis/redis-cli
PIDFILE=/var/run/redis_6379.pid
CONF="/usr/local/redis/redis.conf" 配置文件
AUTH="123456" 上文提到的redis密码

3、开机启动

先切换到/etc/init.d目录下

然后执行自启命令

chkconfig redis on

4、测试启动

service redis start 启动命令

service redis stop 停止命令

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