A collection of computer systems and programming tips that you may find useful. Brought to you by Craic Computing LLC, a bioinformatics consulting company. The various ways that you can set up SSH keys for secure remote access to a machine confuse the heck out of me. Amazon Web Services use SSH keypairs for connecting to EC2 nodes, like this: $ ssh -i mykeypair root@ec2-75-101-234-79.compute-1.ama