• MongoDb

MongoDB nosql notes

Login

• $ mongo 10.32.2.4 --authenticationDatabase admin --username test --password mypass

• > db

  • test

• > show dbs

• > use 9spokes

• > db.getCollection("")

• > show collections

• db.getCollection("config_data").find()

Replicaset

• View members

  •  mongo admin --host $ip -u root -p $pass  -eval "rs.status()" 

• Check if current server is the write

  •  mongo admin --host $ip -u root -p $pass --quiet --eval "db.isMaster()['ismaster']"  

Recover password

• stop the mongod service
• edit /etc/mongod.conf

  •    :PRIMARY>  use admin
       :PRIMARY> db.createUser({user:"root",pwd:"mongopwd",roles:[{role:"root",db:"admin"}]});
       :PRIMARY> db.changeUserPassword("root","mongopwd")