Simple mongo db dumping shell script. Used BSON for more information and accuracy.

backupMongoDB.sh

#!/bin/bash
# MongoDB Backup Script
NOW=$(date +"%m-%d-%Y-%H-%M")
NAME="backup.$NOW"
DB="mean-dev"
SERVER="localhost"
PORT="27017"
mongodump --host $SERVER -d $DB --port $PORT --out $NAME
tar -cvf $NAME.tar $NAME/
rm -r $NAME
gzip $NAME.tar