mongo.service - MongoDB Loaded: loaded (/etc/systemd/system/mongo.service; disabled; vendor preset: disabled) Active: failed (Result: exit-code) since Mon 2019-09-30 02:29:27 EDT; 5s ago Process: 4158 ExecStart=/opt/app/data/mongodb/mongod/bin --quiet --config /etc/mongod.conf (code=exited, status=203/EXEC) Main PID: 4158 (code=exited, status=203/EXEC) Sep 30 02:29:27 localhost.localdomain systemd[1]: Started MongoDB. Sep 30 02:29:27 localhost.localdomain systemd[1]: mongo.service: main process... Sep 30 02:29:27 localhost.localdomain systemd[1]: Unit mongo.service entered ... Sep 30 02:29:27 localhost.localdomain systemd[1]: mongo.service failed. Hint: Some lines were ellipsized, use -l to show in full.