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Easily SSH into Amazon EC2 instances using the Name tag

• Projects and Code • 268 words • 2 minutes to read

It’s been a while since I’ve written about code, so I thought I’d post this little AWS-related tip for OS X and Linux users. If you have the Unified AWS CLI Tools configured, you can add these functions to your Bash profile (typically either ~/.bash_profile or ~/.profile) to enable you to SSH into an instance by “Name” tag, or simply lookup the IP address or DNS hostname. hostname_from_instance <instance-name> ip_from_instance <instance-name> ssh-aws <instance-name> Bash code function hostname_from_instance() { echo $(aws ec2 describe-instances --filters "{\"Name\":\"tag:Name\", \"Values\":[\"$1\"]}" --query='Reservations[0].

Ryan Parman

is an engineering manager with over 20 years of experience across software development, site reliability engineering, and security. He is the creator of SimplePie and AWS SDK for PHP, patented multifactor-authentication-as-a-service at WePay, defined much of the CI/CD and SRE disciplines at McGraw-Hill Education, and came up with the idea of “serverless, event-driven, responsive functions in the cloud” while at Amazon Web Services in 2010. Ryan's aptly-named blog, , is where he writes about ideas longer than . Ambivert. Curious. Not a coffee drinker.