cento7安装redis

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该博客详细介绍了Redis的安装与启动步骤，包括下载安装包、解压、编译、创建目录、复制文件、修改配置文件，还提及了设置开机自启，最后完成Redis的启动，为Redis的安装使用提供了清晰指引。

1. 下载安装包

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

2. 解压

cd /opt/redis

tar -xzvf redis-4.0.2.tar.gz

3. make

cd /opt/redis/redis-4.0.2
make

## 如果编译出现gcc问题 
yum install gcc -y

4. 建立/usr/local/redis目录

mkdir -p /usr/local/redis

5. 复制redis-server redis-cli

cp /opt/redis/redis-4.0.2/src/redis-server /usr/local/redis/
cp /opt/redis/redis-4.0.2/src/redis-cli /usr/local/redis/

6. 复制redis配置文件

cp /opt/redis/redis-4.0.2/redis.conf /etc/

7. 修改配置文件

vim /etc/redis.conf
1　在bind 127.0.0.1前加“#”将其注释掉

2　默认为保护模式，把 protected-mode yes 改为 protected-mode no

3　默认为不守护进程模式，把daemonize no 改为daemonize yes

4　将 requirepass foobared前的“#”去掉，密码改为你想要设置的密码 （比如设置为requirepass  123456）
  
5  修改数据存放路径  dir /data/appdata/redisdata

8. 开机自启

cd /etc/init.d/
touch redis
vim /etc/init.d/redis

#!/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="/etc/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 -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

## 保存加权限
chmod 755 /etc/init.d/redis

## 添加开启自启命令

vim /etc/rc.local

service redis start

9. 启动redis

service redis start