Authorized_keys
Restrict SSH access to only allow rsync
Want to restrict SSH access to only allow rsync file synchronization? This article explains the steps and how to set it up.
Granting temporary access to your servers (using signed SSH keys)
SSH has the capabilities to give a colleague or vendor temporary access to your systems. Learn how to install and configure the related SSH settings.
Distributing SSH keys: using ssh-copy-id, manually or automated
Learn how to get your SSH keys easier to another system using different available methods such as manually or a tool like ssh-copy-id