Ubuntu 18.04 MongoDB 5 자동 시작 MongoDB Systemd Unit File 생성: sudo nano /etc/systemd/system/mongodb.service 다음 내용 입력: [Unit] Description=High-performance, schema-free document-oriented database After=network.target [Service] User=mongodb ExecStart=/usr/bin/mongod --quiet --config /etc/mongod.conf [Install] WantedBy=multi-user.target Systemd Unit File 적용: sudo systemctl enable mongodb sudo systemctl..