In this article, we will explore what Terraform is and how to install Terraform on different Linux distributions via HashiCorp repositories.

What is Terraform?

Terraform, a widely used cloud orchestration tool in the field of automation, helps deploy infrastructure through the IAC (Infrastructure as code) approach.

Developed by Hashicorp, Terraform is released under the Mozilla Public License. It supports both public and private clouds, as well as hybrid environments. Currently, Terraform supports 145 providers, including popular ones like AWS, Azure Cloud, GCP, Oracle Cloud, and more.

The architecture of Terraform is straightforward. You just need to download the Terraform binary to your local or server machine, which will serve as your base machine.

You must specify the provider in your syntax file. Terraform will automatically download the corresponding plugin and authenticate with the provider API to execute the plan.

What is Infrastructure as Code?

The practice of provisioning and managing resources such as Virtual Machines, Storage, Networks, Database, etc., through machine-readable definition files instead of interactive tools or hardware configurations.

Features

• Open-source.
• Declarative syntax.
• Pluggable Modules.
• Immutable infrastructure.
• Simple client-only architecture.

Let’s begin...

Installing Terraform in Linux Distributions

The primary distribution packages of Terraform are in .zip format, containing a single executable file that you can extract to any location on your Linux system.

For easier integration with configuration management tools, Terraform also provides package repositories for Debian-based and RHEL-based systems. This allows you to install Terraform using your default package management tools like APT, Yum, or DNF.

Install Terraform in Debian, Ubuntu & Mint

<code>wget -O- https://apt.releases.hashicorp.com/gpg | sudo gpg --dearmor -o /usr/share/keyrings/hashicorp-archive-keyring.gpg
echo "deb [signed-by=/usr/share/keyrings/hashicorp-archive-keyring.gpg] https://apt.releases.hashicorp.com $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/hashicorp.list
sudo apt update 
sudo apt install terraform</code>

Install Terraform in RHEL and CentOS

<code>sudo yum install -y yum-utils
sudo yum-config-manager --add-repo https://rpm.releases.hashicorp.com/RHEL/hashicorp.repo
sudo yum update
sudo yum -y install terraform</code>

Install Terraform in Fedora

<code>sudo dnf install -y dnf-plugins-core
sudo dnf config-manager --add-repo https://rpm.releases.hashicorp.com/fedora/hashicorp.repo
sudo dnf update
sudo dnf -y install terraform</code>

To verify the installation, run the following command:

<code>$ terraform version</code>

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