Rundeck Authentication Failure After Migrating from Amazon Linux 2 to Amazon Linux 2023
BackgroundAmazon Linux 2 is approaching its End of Support (EOS) date, so I migrated one of our batch servers from Amazon Linux 2 to Amazon Linux 2023.I reused the exact same SSH key pair when rebuilding the server, expecting the migration to be transparent. Instead, Rundeck (our job scheduling tool) started failing to connect to the node with this error:Authentication failure connecting to node..
