uninstall mongodb ubuntu

sudo apt update
sudo apt install -y mongodb
//checking service and db
sudo systemctl status mongodb
or service mongodb status
//start service
sudo systemctl start mongod
or service mongodb start
//stop service
sudo systemctl stop mongod  or
service mongodb stop
sudo apt-get purge mongodb-org*
sudo systemctl start mongod
sudo rm -r /var/log/mongodb
sudo rm -r /var/lib/mongodb
sudo systemctl start mongod
sudo systemctl stop mongod