Packer is an open source tool for creating identical machine images for multiple platforms from a single source configuration. Packer is lightweight, runs on every major operating system, and is highly performant, creating machine images for multiple platforms in parallel.
To verify the installation, follow the below instructions
Step 1. Connect to SSH
In a terminal window, use the ssh command to connect to the instance. You specify the user name for your instance, and the public DNS name or IPv6 address for your instance, the path and file name of the private key (.pem).
ssh ubuntu@publicIP -i [Path of key pair file]
If it shows access denied message run the following command , then run the above command again to connect via ssh.
chmod 400 [Path of key pair file]
Step 2. Verify the installation
Follow the steps to verify the Packer installation
1. Open command prompt
2. Type the below command
You will see the response as shown below.