show all keys in redis code example

Example 1: redis show all keys

$ redis-cli
> KEYS *
1) "title:1"
2) "title:2"
3) "title"
4) "author:2"
5) "author"
6) "author:1"

Example 2: redis get keys

KEYS *     # blocks the server

scan NUM   # NUM is the page/cursor number (start with 0)