1 - 获取redis资源:
        wget http://download.redis.io/releases/redis-6.2.6.tar.gz

2 - 解压  :
        tar xzvf redis-6.2.6.tar.gz   (在linux根目录解压)

3 - 安装 :
        cd redis-6.2.6
        make install PREFIX=/usr/local/redis

4 - 移动配置文件到安装目录下:
        mkdir /usr/local/redis/etc
        mv redis.conf /usr/local/redis/etc

5 - 配置redis为后台启动 :
         vi /usr/local/redis/etc/redis.conf //将daemonize no 改成daemonize yes
  - 如果redis要设置密码在redis.conf配置文件搜# requirepass foobared,在下面加上
        requirepass mima123,设置密码为mima123

6 - 将redis加入到开机启动 :
        vi /etc/rc.local //在里面添加内容:
        /usr/local/redis/bin/redis-server /usr/local/redis/etc/redis.conf 
        (意思就是开机调用这段开启redis的命令)

7 - 开启redis : 
        /usr/local/redis/bin/redis-server /usr/local/redis/etc/redis.conf

8 - 查看reidis是否开启成功 :  
        netstat -nultp (查看本机各端口的网络连接情况)


设置普通用户启动redis:

1 、创建普通用户:
        useradd -s /sbin/nologin redisuser

2 、创建需要到的文件夹、复制redis配置文件到新建文件夹:
        cd /home/redisuser
        mkdir log dbdatarun
        cp /usr/local/redis/etc/redis.conf /home/redisuser/redis.conf

3 、并且修改文件夹权限:
        chown -R redisuser:redisuser /home/redisuser/*

4 、修改/home/redisuser/redis.conf的配置文件:
        pidfile “/home/redisuser/run/redis_6379.pid

5 、将redis加入到开机启动 :
        vi /etc/rc.local //在里面添加内容:
         cd /home/redisuser & sudo -u redisuser/usr/local/redis/bin/redis-server /home/redisuser/redisuser.conf

6、启动redis
        cd /home/redisuser & sudo -u redisuser /usr/local/redis/bin/redis-server /home/redisuser/redis.conf