yum install redis

Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile

• base: mirrors.usc.edu
• extras: repos.lax.quadranet.com
• updates: mirrors.usc.edu

Setting up Install Process
No package redis available.
Error: Nothing to do

解决办法是先安装fedora的epel仓库

yum install epel-release

然后载安装redis

yum install redis