How to install mongodb on Ubuntu 20.04/18.04 Ltd.

mongodb.ssh

#mongodb

sudo apt update

# Install mongoDB
sudo apt install mongodb
sudo systemctl status mongodb
sudo systemctl stop mongodb
sudo systemctl start mongodb
sudo systemctl restart mongodb
sudo systemctl disable mongodb	
sudo systemctl enable mongodb	

# Enable Remote MongoDB Access on Firewall	
sudo ufw allow 27017
sudo ufw allow from 192.168.1.7/32 to any port 27017 
sudo ufw allow ssh
sudo ufw enable
sudo ufw status

# Configure
sudo nano /etc/mongodb.conf 

bind_ip = 127.0.0.1,192.168.1.7 
#port = 27017
sudo systemctl restart mongodb

# Create MongoDB Database	
mongo 
show dbs
use admin 
db.createUser({user:"root", pwd:"root123", roles:[{role:"root", db:"admin"}]})
exit

# Enable MongoDB authentication
sudo nano /lib/systemd/system/mongodb.service
# Under the [Service] config section, find the parameter ExecStart/ change as below
ExecStart=/usr/bin/mongod --auth --unixSocketPrefix=${SOCKETPATH} --config ${CONF} $DAEMON_OPTS

systemctl daemon-reload
sudo systemctl restart mongodb	
sudo systemctl status mongodb

# connect to mongodb
mongo -u "root" -p --authenticationDatabase "admin"

mongo --version