Installing MongoDB on Ubuntu

Run the following command to import the MongoDB public GPG Key:

girdhar@dcsa:~$ sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB10

Create a /etc/apt/sources.list.d/mongodb.list file using the following command.

girdhar@dcsa:~$ echo 'deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen' | sudo tee /etc/apt/sources.list.d/mongodb.list

Now issue the following command to update the repository:

girdhar@dcsa:~$ sudo apt-get update

Now install the MongoDB by using following command:

girdhar@dcsa:~$ sudo apt-get install mongodb-10gen=2.2.3

In the above installation 2.2.3 is currently released mongodb version. Make sure to install latest version always. Now mongodb is installed successfully.

Start MongoDB

girdhar@dcsa:~$ sudo service mongodb start

Stop MongoDB

girdhar@dcsa:~$ sudo service mongodb stop

Restart MongoDB

girdhar@dcsa:~$ sudo service mongodb restart

To use mongodb run the following command

girdhar@dcsa:~$ mongo

This will connect you to running mongod instance.

If It will not run (giving some error in locks), try running following: -

Step 1: Remove lock file.

girdhar@dcsa:~$ sudo rm /var/lib/mongodb/mongod.lock

Step 2: Repair mongodb.

girdhar@dcsa:~$ sudo mongod --repair

Step 3: start mongodb.

girdhar@dcsa:~$ sudo start mongodb

or

girdhar@dcsa:~$ sudo service mongodb start

Step 4: Check status of mongodb.

girdhar@dcsa:~$ sudo status mongodb

or

girdhar@dcsa:~$ sudo service mongodb status

Step 5: Start mongo console.

girdhar@dcsa:~$ mongo