I deleted nodeBB folder and cloned the latest version for a fresh installation. when I was installing nodeBB, it recognize the old database and used it!
What is the right way to remove nodeBB fully: database, files, etc?
@planner Important to note that if Redis is running, then the .rdb file is a disk-persisted backup, so even if deleted, if the redis server is running, it will eventually save back the same database data into the .rdb file.