Log into AWS

Open Cloud Shell

Install Terraform

```
git clone https://github.com/tfutils/tfenv.git ~/.tfenv
mkdir ~/bin
ln -s ~/.tfenv/bin/* ~/bin/
```

Find the latest version and install it:

```
tfenv list-remote
tfenv install 1.8.0
tfenv use 1.8.0
```

Now test it's all working:

```
terraform --version
```

Install Tofu

```
# Download the installer script:
curl --proto '=https' --tlsv1.2 -fsSL https://get.opentofu.org/install-opentofu.sh -o install-opentofu.sh
# Alternatively: wget --secure-protocol=TLSv1_2 --https-only https://get.opentofu.org/install-opentofu.sh -O install-opentofu.sh

# Give it execution permissions:
chmod +x install-opentofu.sh

# Please inspect the downloaded script

# Run the installer:
./install-opentofu.sh --install-method rpm

# Remove the installer:
rm install-opentofu.sh
```