redis初体验

参考：
http://blog.fens.me/linux-redis-install/
https://www.digitalocean.com/community/tutorials/how-to-install-and-configure-redis-on-ubuntu-16-04
哦，原来就是这样啊，键值对嘛。

root@kali:~/repos# redis-cli
127.0.0.1:6379> ping
PONG
127.0.0.1:6379> ping [hello]
"[hello]"
127.0.0.1:6379> ping hello,caiqiqi
"hello,caiqiqi"
127.0.0.1:6379> set name "caiqiqi"
OK
127.0.0.1:6379> get name
"caiqiqi"
127.0.0.1:6379> keys
(error) ERR wrong number of arguments for 'keys' command
127.0.0.1:6379> keys *
 1) "session:gitlab:19c1281319afc13275a22a10df9ff00e"
 2) "session:gitlab:2c915860402de80c21ab75a5c54d2b7b"
 3) "session:gitlab:8642513834ec16e75193b2aee8347873"
 4) "session:gitlab:3850db23bc19087fbff841fb995e7e6c"
 5) "session:gitlab:116064a71b3efd5de0925e57f730dba8"
 6) "session:gitlab:9b28111eb6c03401c8af0d1c9b0be078"
 7) "name"
 8) "session:gitlab:85611bea08f1a25bee01441340154958"
 9) "resque:gitlab:kali:3645"
10) "session:gitlab:149e80936ddb37bbfb78e189c03044cc"
11) "session:gitlab:df3836903bdd741b90a826c77c400205"
12) "session:gitlab:6e8fbe9336e012a958cd9ef5f86cef1e"
13) "session:gitlab:9fefeec552e1f63810071375caa760d7"
14) "resque:gitlab:queues"
15) "resque:gitlab:stat:processed"
16) "resque:gitlab:processes"
17) "resque:gitlab:stat:processed:2017-04-06"
127.0.0.1:6379> get "session:gitlab:19c1281319afc13275a22a10df9ff00e"
"\x04\b{\x00"
127.0.0.1:6379> get session:gitlab:19c1281319afc13275a22a10df9ff00e
"\x04\b{\x00"