root@tts-0001:~# redis-cli
redis 127.0.0.1:6379> keys *
(empty list or set)
redis 127.0.0.1:6379> set cache ehcache
OK
redis 127.0.0.1:6379> keys *
1) "cache"
redis 127.0.0.1:6379> set file sysfile
OK
redis 127.0.0.1:6379> keys *
1) "file"
2) "cache"
redis 127.0.0.1:6379> randomkey
"file"
redis 127.0.0.1:6379> randomkey
"cache"
redis 127.0.0.1:6379> ttl cache
(integer) -1
redis 127.0.0.1:6379> ttl caches
(integer) -1
redis 127.0.0.1:6379> exists cache
(integer) 1
redis 127.0.0.1:6379> exists caches
(integer) 0
redis 127.0.0.1:6379> rename cache caches
OK
redis 127.0.0.1:6379> keys *
1) "caches"
2) "file"
redis 127.0.0.1:6379> rename caches caches
(error) ERR source and destination objects are the same
redis 127.0.0.1:6379> rename cache caches
(error) ERR no such key
redis 127.0.0.1:6379> type cache
none
redis 127.0.0.1:6379> type caches
string
redis 127.0.0.1:6379> select 1
OK
redis 127.0.0.1:6379[1]> keys *
(empty list or set)
redis 127.0.0.1:6379[1]> select 0
OK
redis 127.0.0.1:6379> move caches 1
(integer) 1
redis 127.0.0.1:6379> move caches 1
(integer) 0
redis 127.0.0.1:6379> select 1
OK
redis 127.0.0.1:6379[1]> keys *
1) "caches"
redis 127.0.0.1:6379[1]> quit