This post provides 5 methods to regain access to an EC2 Linux instance if the key pair is lost. The methods include creating a new key pair, using Systems Manager, leveraging EC2 Instance Connect, utilizing the EC2 Serial Console, and swapping EBS volumes.
Table of contents
What is EC2 Key Pair?Recovery Method 1: Using EC2 User DataRecovery Method 2: Using Systems ManagerRecovery Method 3: Using EC2 Instance ConnectRecovery Method 4: Using EC2 Serial ConsoleRecovery Method 5: Using EBS Volume SwapImportant ConsiderationsConclusion5 Impressions