MacOS ssh keyring

If you used to not type your passphrase when using ssh and this functionality is not working anymore since you've updated your Mac?

This is a known issue since MacOS changed the way ssh keys are managed in Sierra ([reference|https://developer.apple.com/library/content/technotes/tn2449/_index.html#//apple_ref/doc/uid/DTS40017589]).

The following post explain simply how to get it working as before:

http://joshbuchea.com/revert-ssh-agent-behavior-pre-macos-sierra/