Alex realized he had been guarding a castle with a thousand tiny keys when he could have just used a biometric gate. He deleted his bastion host that afternoon, revoked the SSH keys, and finally went home on time.
One Tuesday, while Alex was elbow-deep in a messy authorized_keys file, his teammate Sarah leaned over. "Still using SSH? You should check out ." Alex was skeptical. "Does it involve more keys?" "Zero keys," Sarah said. Still using SSH on AWS? Check out Session Manager instead!
She showed him her screen. With one click in the AWS Console—or a simple command in the terminal—she was inside an instance. No bastion hosts, no managing .pem files, and no open inbound ports. Alex realized he had been guarding a castle
Port 22 was closed. The instance didn't even need a public IP address; it just needed the SSM Agent and an outbound connection. "Still using SSH
Once upon a time, there was a DevOps engineer named Alex. Alex spent half his life playing "SSH Key Tetris."