確認Mongodb 設定檔 /etc/mongodb.conf
檢查Mongodb Log /var/log/mongodb/mongod.log
2020-09-22T08:56:41.623+0800 W STORAGE [initandlisten] Failed to start up WiredTiger under any compatibility version.
2020-09-22T08:56:41.623+0800 F STORAGE [initandlisten] Reason: 13: Permission denied
2020-09-22T08:56:41.623+0800 F - [initandlisten] Fatal Assertion 28595 at src/mongo/db/storage/wiredtiger/wiredtiger_kv_engine.cpp 915
步驟一(重啟DB沒效)
# mongod --dbpath /var/lib/mongodb --repair
步驟二
# sudo chown -R mongodb:mongodb /var/lib/mongodb
# sudo chown -R mongodb:mongodb /var/log/mongodb
檢查系統狀態，Mongodb成功開啟
# systemctl status mongod
● mongod.service - MongoDB Database Server
Loaded: loaded (/lib/systemd/system/mongod.service; disabled; vendor preset: enabled)
Active: active (running) since Tue 2020-09-22 09:06:11 CST; 11min ago
Docs: https://docs.mongodb.org/manual
Main PID: 11682 (mongod)
CGroup: /system.slice/mongod.service
└─11682 /usr/bin/mongod --config /etc/mongod.conf
Sep 22 09:06:11 db systemd[1]: Started MongoDB Database Server
