2, Create schema named servers_info
3, Put .jar to yours proxy ./plugins folder
4, Edit plugins/Logger/config.json to your MySQL details
5, Restart server
Idk its kinda random but I think it may be useful.
U can use simple SQL query SELECT * FROM `proxy`;
Or you can select each value using neither Last_Launch, Last_End or status. (status is always 1 or 0, 1=online and 0=offline)
Etc.: SELECT Last_End FROM `proxy`;