Learning MongoDB

(4 tomatoes: install + crud) Note, --host 127.0.0.1:27017 is the default for most cmd, but the bound IP may be NOT 127.0.0.1 or localhost, it can be another NIC with LAN-only instead. Install # ref doc install to install # sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 2930ADAE8CAF5059EE73BB4B58712A2291FA4AD5 && \ echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.6 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.6.list && \ sudo apt-get update && \ sudo apt-get install -y mongodb-org to prevent update # dpkg -l | grep mongo echo "mongodb-org hold" | sudo dpkg --set-selections echo "mongodb-org-server hold" | sudo dpkg --set-selections echo "mongodb-org-shell hold" | sudo dpkg --set-selections echo "mongodb-org-mongos hold" | sudo dpkg --set-selections echo "mongodb-org-tools hold" | sudo dpkg --set-selections run the server # # start service: sudo service mongod start # check: cat /var/log/mongodb/mongod. ...