redis-2.8.12的安装与使用

redis的安装
#pwd
/home/ybtang/
#wget http://download.redis.io/releases/redis-2.8.12.tar.gz
#tar zxvf redis-2.8.12.tar.gz
#cd redis-2.8.12
#make

redis的配置
#vim redis.conf
修改daemonize no为daemonize yes，让其后台运行
修改logfile "" 为logfile "/home/ybtang/redis-2.8.12/log/redis.log"，指定日志输出文件

redis的启动
#src/redis-server ./redis.conf

redis的日志查看
#cat log/redis.log
[25947] 16 Nov 14:47:10.010 # Warning: no config file specified, using the default config. In order to specify a

config file use src/redis-server /path/to/redis.conf
[25947] 16 Nov 14:47:10.011 # You requested maxclients of 10000 requiring at least 10032 max file descriptors.
[25947] 16 Nov 14:47:10.011 # Redis can't set maximum open files to 10032 because of OS error: Operation not

permitted.
[25947] 16 Nov 14:47:10.011 # Current maximum open files is 1024. maxclients has been reduced to 992 to compensate

for low ulimit. If you need higher maxclients increase 'ulimit -n'.
                _._                                                  
           _.-``__ ''-._                                             
      _.-``    `.  `_.  ''-._           Redis 2.8.12 (00000000/0) 64 bit
  .-`` .-```.  ```\/    _.,_ ''-._                                   
 (    '      ,       .-`  | `,    )     Running in stand alone mode
 |`-._`-...-` __...-.``-._|'` _.-'|     Port: 6379
 |    `-._   `._    /     _.-'    |     PID: 25947
  `-._    `-._  `-./  _.-'    _.-'                                   
 |`-._`-._    `-.__.-'    _.-'_.-'|                                  
 |    `-._`-._        _.-'_.-'    |           http://redis.io        
  `-._    `-._`-.__.-'_.-'    _.-'                                   
 |`-._`-._    `-.__.-'    _.-'_.-'|                                  
 |    `-._`-._        _.-'_.-'    |                                  
  `-._    `-._`-.__.-'_.-'    _.-'                                   
      `-._    `-.__.-'    _.-'                                       
          `-._        _.-'                                           
              `-.__.-'                                               

[25947] 16 Nov 14:47:10.013 # Server started, Redis version 2.8.12
[25947] 16 Nov 14:47:10.014 # WARNING overcommit_memory is set to 0! Background save may fail under low memory

condition. To fix this issue add 'vm.overcommit_memory = 1' to /etc/sysctl.conf and then reboot or run the command

'sysctl vm.overcommit_memory=1' for this to take effect.
[25947] 16 Nov 14:47:10.014 * The server is now ready to accept connections on port 6379
redis启动成功，端口号为6379

redis的访问
在令一个终端中启动redis客户端
# src/redis-cli
127.0.0.1:6379> set name tang
127.0.0.1:6379> set sex f
127.0.0.1:6379> set age 20
127.0.0.1:6379> get name
"tang"
127.0.0.1:6379> get sex
"f"
127.0.0.1:6379> get age
"20"

redis的停止
# src/redis-cli
127.0.0.1:6379>shutdown