mongodb

• Mongo Connection commands

  <command> -h host -p port

• Mongo Authentication commands

  <command> <conn> -u user -p pass --authenticationDatabase admin

• Mongo backup/restore for json files

  mongoimport <conn> <auth> --type json --db db_name --collection coll_name --file ./path/to/ip_file.json

  • Don’t forget to add --jsonArray if file is in that form

    mongoexport <conn> <auth> -db db_name --collection coll_name -o ./path/to/op_file.json

• Mongo backup/restore for bson files with meta data (created under ./dump/<db_name>)

  mongodump <conn> <auth> --db db_name

  mongorestore <conn> <auth> --db db_name ./path/to/dump

• Mongo auth

  • https://docs.mongodb.com/manual/core/authentication/

  • At the mongo command line, set the administrator:

    use admin;
    db.addUser('admin','123456');

  • Shutdown the server and exit

    db.shutdownServer();
    exit

  • Restart mongod with —auth

    $ sudo ./mongodb/bin/mongod --auth --dbpath /mnt/db/

  • Run mongo again in 2 ways:

    • run mongo first then login:

      $ ./mongodb/bin/mongo localhost:27017
      use admin
      db.auth('admin','123456');

    • run & login to mongo in command line.

      $ ./mongodb/bin/mongo localhost:27017/admin -u admin -p 123456