AWS, Mongo, Dynamo Commands

Mongo commands

# Importing a db with multiple bson files 
# Note each bson is a collection.
mongorestore -d db_name path/

# To start db use:
mongo db_name

# To see collections use:
show collections

# Start mongo service: 
brew services start mongodb
mongo

# Stop mongo service.
brew services stop mongodb

# Import a single bson file
mongorestore -d db_name -c collection_name path/file.bson

# Counting resources
> db.my_name.find({text:/sometext/i}).count()
149513

# Check port and host.
sudo lsof -iTCP -sTCP:LISTEN | grep mongo

# Date bounded
db.tweets_no_dup.find({created_at_ts: { $gt: 1420088400, $lt: 1451624400 }}).count()