1.用HomeBrew安装
brew search redis（可以不执行）
brew install redis
source /etc/bashrc
然后进入redis文件夹下
启动redis
./redis-server
2.更新redis
brew upgrade redis
3.启动redis服务（查看端口、查看服务）
brew services start redis
lsof -i tcp:6379
brew services list
参考：
https://jingyan.baidu.com/album/d5a880ebdbed2113f047cc4e.html?picindex=1
