Install community packages following instructions from ( http://docs.mongodb.org/manual/tutorial/install-mongodb-on-red-hat-centos-or-fedora-linux/ ) on Fedora run sudo service mongod start result: sudo service mongod start Starting mongod (via systemctl): Job for mongod.service failed. See 'systemctl status mongod.service' and 'journalctl -xn' for details. [FAILED] [fedora@ip-172-31-1-127 ~]$ systemctl status mongod.service mongod.service - SYSV: Mongo is a scalable, document-oriented database. Loaded: loaded (/etc/rc.d/init.d/mongod) Active: failed (Result: exit-code) since Tue 2014-11-18 14:14:42 UTC; 18s ago Process: 8354 ExecStart=/etc/rc.d/init.d/mongod start (code=exited, status=1/FAILURE) [fedora@ip-172-31-1-127 ~]$ sudo journalctl -xn -- Logs begin at Mon 2014-11-17 21:01:06 UTC, end at Tue 2014-11-18 14:15:27 UTC. -- Nov 18 14:14:33 ip-172-31-1-127 sudo[8335]: fedora : TTY=pts/1 ; PWD=/home/fedora ; USER=root ; COMMAND=/bin/tail -f /var/log/mongodb/mongod.lo Nov 18 14:14:41 ip-172-31-1-127 sudo[8337]: fedora : TTY=pts/0 ; PWD=/home/fedora ; USER=root ; COMMAND=/sbin/service mongod start Nov 18 14:14:41 ip-172-31-1-127 systemd[1]: Starting SYSV: Mongo is a scalable, document-oriented database.... -- Subject: Unit mongod.service has begun with start-up -- Defined-By: systemd -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel -- -- Unit mongod.service has begun starting up. Nov 18 14:14:41 ip-172-31-1-127 runuser[8359]: pam_unix(runuser:session): session opened for user mongod by (uid=0) Nov 18 14:14:42 ip-172-31-1-127 runuser[8359]: pam_unix(runuser:session): session closed for user mongod Nov 18 14:14:42 ip-172-31-1-127 mongod[8354]: Starting mongod: [FAILED] Nov 18 14:14:42 ip-172-31-1-127 systemd[1]: mongod.service: control process exited, code=exited status=1 Nov 18 14:14:42 ip-172-31-1-127 systemd[1]: Failed to start SYSV: Mongo is a scalable, document-oriented database.. -- Subject: Unit mongod.service has failed -- Defined-By: systemd -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel -- Documentation: http://www.freedesktop.org/wiki/Software/systemd/catalog/be02cf6855d2428ba40df7e9d022f03d -- -- Unit mongod.service has failed. -- -- The result is failed. Nov 18 14:14:42 ip-172-31-1-127 systemd[1]: Unit mongod.service entered failed state. Nov 18 14:15:27 ip-172-31-1-127 sudo[8370]: fedora : TTY=pts/0 ; PWD=/home/fedora ; USER=root ; COMMAND=/bin/journalctl -xn ownership on the data directories: [fedora@ip-172-31-1-127 ~]$ ls -ld /var/log/mon* drwxr-xr-x. 2 mongod mongod 4096 Nov 18 14:13 /var/log/mongodb [fedora@ip-172-31-1-127 ~]$ ls -ld /var/log/mongodb/* -rw-r-----. 1 mongod mongod 2067 Nov 18 14:14 /var/log/mongodb/mongod.log [fedora@ip-172-31-1-127 ~]$ ls -ld /var/lib/mongo/ drwxr-xr-x. 2 mongod mongod 4096 Oct 8 17:29 /var/lib/mongo/ in /var/log/mongodb/mongod.log file there is an error: 2014-11-18T15:18:32.926+0000 I CONTROL [initandlisten] options: { config: "/etc/mongod.conf", net: { bindIp: "127.0.0.1" }, processManagement: { fork: true, pidFilePath: "/var/run/mongodb/mongod.pid" }, storage: { dbPath: "/var/lib/mongo" }, systemLog: { destination: "file", logAppend: true, path: "/var/log/mongodb/mongod.log" } } 2014-11-18T15:18:32.927+0000 I STORAGE [initandlisten] exception in initAndListen: 98 Unable to create/open lock file: /var/lib/mongo/mongod.lock errno:13 Permission denied Is a mongod instance already running?, terminating 2014-11-18T15:18:32.928+0000 I COMMANDS [initandlisten] dbexit: rc: 100 mongod is not running: [fedora@ip-172-31-0-232 run]$ ps aux | grep mongod fedora 708 0.0 0.1 112636 964 pts/1 S+ 15:19 0:00 grep --color=auto mongod /var/run/mongodb permissions: [fedora@ip-172-31-0-232 run]$ ls -ld /var/run/mongodb/ drwxr-xr-x. 2 mongod mongod 60 Nov 18 15:18 /var/run/mongodb/