📌 Link: Install Terraform | Terraform | HashiCorp Developer
Ensure that your system is up to date and you have installed the gnupg, software-properties-common, and curl packages installed. You will use these packages to verify HashiCorp's GPG signature and install HashiCorp's Debian package repository.
$ sudo apt-get update && sudo apt-get install -y gnupg software-properties-common
Install the HashiCorp GPG key.
$ wget -O- https://apt.releases.hashicorp.com/gpg | \
gpg --dearmor | \
sudo tee /usr/share/keyrings/hashicorp-archive-keyring.gpg > /dev/null
Verify the key's fingerprint.
$ gpg --no-default-keyring \
--keyring /usr/share/keyrings/hashicorp-archive-keyring.gpg \
--fingerprint
The gpg command will report the key fingerprint:
/usr/share/keyrings/hashicorp-archive-keyring.gpg
-------------------------------------------------
pub rsa4096 XXXX-XX-XX [SC]
AAAA AAAA AAAA AAAA
uid [ unknown] HashiCorp Security (HashiCorp Package Signing) <security+packaging@hashicorp.com>
sub rsa4096 XXXX-XX-XX [E]
Add the official HashiCorp repository to your system. The lsb_release -cs command finds the distribution release codename for your current system, such as buster, groovy, or sid.
$ 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
Download the package information from HashiCorp.
$ sudo apt update
Install Terraform from the new repository.
$ sudo apt-get install terraform
Verify the installation
Verify that the installation worked by opening a new terminal session and listing Terraform's available subcommands.
$ terraform -help
Usage: terraform [-version] [-help] <command> [args]
The available commands for execution are listed below.
The most common, useful commands are shown first, followed by
less common or more advanced commands. If you're just getting
started with Terraform, stick with the common commands. For the
other commands, please read the help and docs before usage.
##...
Add any subcommand to terraform -help to learn more about what it does and available options.
$ terraform -help plan