centos redis 安装
centos6.4+lnmp1.0

1.安装redis
$ wget http://download.redis.io/releases/redis-2.6.16.tar.gz
$ tar xzf redis-2.6.16.tar.gz
$ cd redis-2.6.16
$ make

2.启动服务
$ src/redis-server

3.测试
$ /redis-2.6.16/src/redis-cli
$ set test kk
$ get test

到这里都一切正常，但是怎么安装redis的PHP扩展？
网上各种教程试了都不行，死活装不成
[解决办法]
你安装好PHP，直接加载php_redis扩展即可。
[解决办法]
redis的官网都有，很多推荐

http://redis.io/clients

Predis ? ★RepositoryJoL1hAHN Mature and supported
phpredis ? ★Repositoryyowgi This is a client written in C as a PHP module.
Rediska ?Repository Homepageshumkov
RedisServerRepositoryOZ Standalone and full-featured class for Redis in PHP
Redisent ?Repositoryjustinpoliey
CredisRepositorycolinmollenhour Lightweight, standalone, unit-tested fork of Redisent which wraps phpredis for best performance if available.