MongoDB
Connect to a server
Install mongosh first, it is a separate package.
mongosh --host 1.2.3.4
Connect to database
use db-name
Show collections (tables)
.....
Show databases
show dbs
Show users
test> use admin
switched to db admin
admin> show collections;
system.users
system.version
admin> db.system.users.find()
Show running config
db.runCommand({ getCmdLineOpts: 1 })
or
db.getCmdLineOpts()