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Jun 5, 2012
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How To Install MongoDB on Ubuntu 12.04

Tags: MongoDB Distribution: Ubuntu

Install MongoDB on Ubuntu 12.04

MongoDB is a document database used commonly in modern web applications. This tutorial should help you setup a virtual private server to use as a dedicated MongoDB server for a production application environment.

Step 1 -- Create a Droplet

This one's easy. Once you're done, go ahead and `ssh` in.

N.B. :: It is recommended that you configure `ssh` and `sudo` like this

Step 2 -- Create the Install Script

The MongoDB install process is simple enough to be completed with a Bash script. Copy the following into a new file named `mongo_install.bash` in your home directory:

apt-key adv --keyserver keyserver.ubuntu.com --recv 7F0CEB10
echo "deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen" | tee -a /etc/apt/sources.list.d/10gen.list
apt-get -y update
apt-get -y install mongodb-10gen

Here's an explanation of each line in the script:

  • The `apt-key` call registers the public key of the custom 10gen MongoDB aptitude repository
  • A custom 10gen repository list file is created containing the location of the MongoDB binaries
  • Aptitude is updated so that new packages can be registered locally on the Droplet
  • Aptitude is told to install MongoDB

TIP: At any time, to change to your home directory, simply execute `cd`

Step 3 -- Run the Install Script

Execute the following from your home directory:

$ sudo bash ./mongo_install.bash

If everything is successful, you should see the output contain a PID of the newly started MongoDB process:

mongodb start/running, process 2368

Step 4 -- Check It Out

By default with this install method, MongoDB should start automatically when your Droplet is booted. This means that if you need to reboot your Droplet, MongoDB will start right back up.

To start learning about the running `mongod` process, run the following command:

$ ps aux | grep mongo

One line of the output should look like the following:

mongodb    569  0.4  6.4 627676 15936 ?        Ssl  22:54   0:02 /usr/bin/mongod --config /etc/mongodb.conf

We can see the...

  • User: `mongodb`
  • PID: `569`
  • Command: `/usr/bin/mongod --config /etc/mongodb.conf`
  • Config File: `/etc/mongodb.conf`

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By Etel Sverdlov

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