1.下载redis-6.2.6.tar.gz，解压tar -xf redis-6.2.6.tar.gz
2.cd redis-6.2.6，编译make，安装make install PREFIX=/usr/local/redis
3.cp redis-6.2.6/redis.conf /usr/local/redis/bin/
cp redis-6.2.6/sentinel.conf /usr/local/redis/bin/
主192.168.1.2，从192.168.1.3
4.修改bin/redis.conf： bind 0.0.0.0；daemonize yes；requirepass pwd；masterauth pwd； maxmemory 2gb；maxmemory-policy volatile-lru
从多一个配置：replicaof 192.168.1.2 6379
5.修改bin/sentinel.conf（主从配置一样）
daemonize yes；protected-mode no；sentinel monitor mymaster 192.168.1.2 6379 1；sentinel auth-pass mymaster 123
分别启动：
./redis-server redis.conf
./redis-sentinel sentinel.conf
