How to Install Graylog on Ubuntu 20.04


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Installing Graylog on Ubuntu 20.04

Graylog is an open-source log management tool that helps you aggregate, analyze, and visualize logs from various sources in real time. It allows you to centralize your logs in one place, making it easier to monitor and troubleshoot your systems.

Here are the steps to install Graylog on Ubuntu 20.04:

sudo apt update
sudo apt upgrade -y
sudo apt install openjdk-11-jdk -y
sudo apt install mongodb -y
sudo systemctl enable --now mongodb
wget -qO - https://artifacts.elastic.co/GPG-KEY-elasticsearch | sudo apt-key add -
echo "deb https://artifacts.elastic.co/packages/7.x/apt stable main" | sudo tee /etc/apt/sources.list.d/elastic-7.x.list
sudo apt update
sudo apt install elasticsearch -y
sudo systemctl enable --now elasticsearch
wget https://packages.graylog2.org/repo/packages/graylog-3.3-repository_latest.deb
sudo dpkg -i graylog-3.3-repository_latest.deb
sudo apt update
sudo apt install graylog-server -y
sudo nano /etc/graylog/server/server.conf

Update the following configurations according to your setup:

password_secret = your_password_secret
root_password_sha2 = your_root_password_sha2
http_bind_address = your_server_ip:9000

Replace "your_password_secret", "your_root_password_sha2", and "your_server_ip" accordingly.

sudo systemctl enable --now graylog-server

Replace "your_server_ip" with your server's IP address.

  1. Prerequisites: Before installing Graylog, make sure that you have a fresh Ubuntu 20.04 server with root access.
  2. Update the System: Start by updating the system packages to their latest versions. Open a terminal and run the following commands:
  3. Install Java: Graylog requires Java to run. Install OpenJDK 11 by running the following commands:
  4. Install MongoDB: Graylog uses MongoDB as its database. Install MongoDB by running the following commands:
  5. Install Elasticsearch: Graylog also requires Elasticsearch as its search and analysis engine. Install Elasticsearch by running the following commands:
  6. Install Graylog: Finally, install Graylog using the official Graylog repository by running the following commands:
  7. Configure Graylog: Edit the Graylog server configuration file by running the following command:
  8. Start Graylog: Start the Graylog service by running the following command:
  9. Access Graylog: Once Graylog is started, you can access it by opening a web browser and navigating to:

Congratulations! You have successfully installed Graylog on Ubuntu 20.04. You can now start aggregating and analyzing your logs using the Graylog web interface.

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