On Tue, Oct 05, 2021 at 06:55:19PM +0100, Phil Endecott wrote: > What is the recommended way to permit login on the AWS serial > console? I hesitate to try to work it out by trial and error, > since a mistake could either leave me unable to log in at all > or leave the instance insecure. > > This is an instance that I've just upgraded from buster to > bullseye. Most of the current configuration is unchanged from > the defaults, though I have changed sshd.conf to permit root > ssh logins; ssh is key-only and passwords are disabled. The EC2 serial console is visible to instances as a common 16550 serial port, so systemd will start a getty and root logins will be permitted by default as long as you set a password on the account. noah
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