使用工具xshell连接到按照redis的linux服务器，然后执行以下命令：
[root@dbserver 10:28 ~ ]$ redis-cli
127.0.0.1:6379> help
redis-cli 5.0.2
To get help about Redis commands type:
"help @" to get a list of commands in
"help " for help on
"help " to get a list of possible help topics
"quit" to exit
To set redis-cli preferences:
":set hints" enable online hints
":set nohints" disable online hints
Set your preferences in ~/.redisclirc
127.0.0.1:6379> keys *
(empty list or set)
127.0.0.1:6379> quit
[root@dbserver 10:29 ~ ]$ redis-cli -p 1001
127.0.0.1:1001> keys *
1) "TEST.BUSINESSINFO.60906"
2) "TEST.BUSINESSINFO.60724"
3) "TEST.BUSINESSINFO.61506"
4) "TEST.BUSINESSINFO.60086"
5) "TEST.BUSINESSINFO.60584"
6) "TEST.BUSINESSINFO.60711"
7) "TEST.BUSINESSINFO.60205"
8) "TEST.BUSINESSINFO.60961"
9) "TEST.BUSINESSINFO.59783"
10) "TEST.BUSINESSINFO.61340"
[root@dbserver 11:12 ~ ]$ redis-cli -h 127.0.0.1 -p 7001 keys "*DATA*"
1) "Test.DATABASEINFO"
redis-cli: 该命令可以连接上redis默认的端口6379所开放的实例
keys * ：keys 通配符，根据所需要查找的key替换通配符即可查到你想要查找的key信息
redis-cli -h 实际ip -p 端口 keys "*通配符*"：在指定端口实例下，通过关键字(通配符)查询所需要的key信息。