1 验证redis的主从复制，将过程抓图
实验步骤
A. 安装Redis
B. 启动Master Redis
C. 创建redis-slave.conf配置文件
修改Redis端口和打开slaveof 设置
port 6389
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E. 查看进程，确认启动正常
F. 操作master redis
G. 读取slave Redis
