Memcached

cheatsheet: http://lzone.de/cheat-sheet/memcached

access it thru CLI

$ telnet localhost 11211
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.

set name 0 600 4
gary
STORED

get name
VALUE name 0 4
gary
END

in set name 0 600 4, 0 means no flags, 600 means expire in seconds, 4 is the size in bytes