Testing¹ reveals that Lightsail instances in fact are EC2 instances, from the t2 class of burstable instances. EC2, of course, has many more instance families and classes other than the t2, almost all of which are more “powerful” (or better equipped for certain tasks) than these, but also much more expensive. But for meaningful comparisons, the 512 MiB … Read more
For me this error appeared immediatey after I changed the user’s home directory by It can also happen because of lack of proper permission to authorized_key file in ~/.ssh. Make sure the permission of this file is 0600 and permission of ~/.ssh is 700.
This error is common if you try to deploy a Lambda in a VPC without giving it the required network interface related permissions ec2:DescribeNetworkInterfaces, ec2:CreateNetworkInterface, and ec2:DeleteNetworkInterface (see AWS Forum). For example, this a policy that allows to deploy a Lambda into a VPC: