一:安裝redis
- wget http://redis.googlecode.com/files/redis-2.6.14.tar.gz
- tar zxvf redis-2.6.14.tar.gz
- cd redis-2.6.14
- make PREFIX=/usr/local/redis install
二:配置redis
使用默認配置文件,稍作修改就可以了
1.習慣做法,配置文件放在源碼安裝的文件夾下,便于管理吧
- mkdir /usr/local/redis/etc/
- cp redis-2.6.14/redis.conf /usr/local/redis/etc/
2.修改配置文件 /usr/local/redis/etc/redis.conf
(1)Redis默認不是以守護進程的方式運行,可以通過該配置項修改,使用yes啟用守護進程
- daemonize yes
(2)當客戶端閑置多長時間后關閉連接,如果指定為0,表示關閉該功能
- timeout 300
(3)指定redis日志
- logfile /var/log/redis.log
(4)指定本地數據庫存放目錄
- dir /data/redis/redis_db
3.啟動redis
- /usr/local/redis/bin/redis-server /usr/local/redis/etc/redis.conf
三:測試redis
1 演示一個簡單的set key,get key操作...
請先安裝php下redis客戶端,具體安裝參考(https://github.com/nicolasff/phpredis)
- <?php
- $redis = new Redis();
- try{
- $redis->connect('127.0.0.1',6379);
- }
- catch (Exception $e){
- die("Cannot connect to redis server:".$e->getMessage() );
- }
- $redis->set('name','budong');
- echo $redis->get('name');
- ?>
輸出budong,則說明安裝成功.
2 redis可玩性太多了,運維必備查看redis運行信息,如下:
- [root@Cache ~]# /usr/local/redis/bin/redis-cli
- redis 127.0.0.1:6379> INFO
部分結果如下:
- redis_version:2.4.7
- redis_git_sha1:00000000
- redis_git_dirty:0
- arch_bits:64
- multiplexing_api:epoll
- gcc_version:4.1.2
- process_id:26615
- uptime_in_seconds:2717407
- uptime_in_days:31
- lru_clock:117839
- used_cpu_sys:102659.58
- used_cpu_user:101565.17
- used_cpu_sys_children:125215.15
- used_cpu_user_children:807371.44