How To Install Graylog on Ubuntu 16.04 LTS

Install Graylog on Ubuntu 16.04 LTS

In this tutorial we will show you how to install Graylog on Ubuntu 16.04 LTS. For those of you who didn’t know, Graylog is a free and open source powerful centralized log management tool based on Elasticsearch and MongoDB. Graylog helps you to collect, index and analyze any machine logs centrally.

This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo’ to the commands to get root privileges. I will show you through the step by step installation Graylog on a Ubuntu 16.04 (Xenial Xerus) server.

Install Graylog on Ubuntu 16.04 LTS

Step 1. First make sure that all your system packages are up-to-date by running these following apt-get commands in the terminal.

Step 2. Installing Java.

By default Java is not available in Ubuntu default repository. So first add the Oracle Java PPA to apt with the following command:

Now check the java version:

Step 3. Installing MongoDB.

MongoDB cannot be installed from the Ubuntu repository, so we will have to add the MongoDB repository:

Update your apt database and install MongoDB with the following command:

Start the MongoDB service and enable it to start on boot with the following command:

Step 4. Installing Elasticsearch.

Elasticsearch is one of the main component which requires Graylog to run, Let’s install the Elasticsearch. First download and install GPG signing key:

Now add the elasticsearch repository to sources list:

Start the elasticsearch service and enable it to start on boot time with the following command:

Step 5. Installing Graylog.

First, you will need to download and install graylog repository on your system:

Update the package lists and install Graylog:

After you have installed the Graylog Server, you have to generate secret key for Graylog using the following command:

Now create a hash password for the root user that can be used to log in to the Graylog web server using the following command:

Edit the server.conf file:

Make changes to the file as shown below:

To enable the Graylog web interface, make changes to the file as shown below:

After you have modified the configuration file, you can start Graylog Service using the following commands:

Step 6. Accessing Graylog.

Graylog will be available on HTTP port 8080 by default. Open your favorite browser and navigate to or http://server-ip:9000 and complete the required the steps to finish the installation.

Install Graylog on Ubuntu 16.04 LTS

Congratulation’s! You have successfully installed Graylog. Thanks for using this tutorial for installing Graylog in Ubuntu 16.04 Xenial Xerus system. For additional help or useful information, we recommend you to check the official Graylog web site.

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