Mongodb

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Connect and authenticate

Bash.svg
# connect
mongo mongodb://localhost:27017
# alias
mongo

# connect and authenticate, use an environment variable to hide the password
mongo "mongodb://user:${DBPASSWORD}@<host>:<port>/admin?authSource=admin"

Authenticate

Mongodb.svg
db.auth("username", "pwd")

db.auth("username", passwordPrompt())

Database

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// list the databases
show dbs

Backup and restore

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# restore the backup folder dump to the local mongodb instance
mongorestore dump/

don't know what to do with file while restore

This may happen because the mongorestore command point to a backup sub-folder not to the backup folder itself.

Authentication

Mongodb.svg
// list users
db.runCommand('usersInfo')

// create admin
use admin
db.createUser(
  {
    user: "admin",
    pwd: "mypwd",
    roles: [ { role: "userAdminAnyDatabase", db: "admin" } ]
  }
)

// create a user for the demo database
use demo
db.createUser(
  {
    user: "myuser",
    pwd: passwordPrompt(), // or cleartext password
    roles: [ { role: "readWrite", db: "demo" },
             { role: "read", db: "finances" } ]
  }
)
/etc/mongod.conf
security:
authorization: "enabled"

Compass

Installation

Windows

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choco install mongodb mongodb-shell
Key Value
Service name MongoDB
Data directory C:\Program Files\MongoDB\Server\6.0\data\
Log directory C:\Program Files\MongoDB\Server\6.0\log\