Following the footsteps of this TechOrganic blog article but not wanting to require all the authentication factors, just the TOTP in addition to Password authentication, and also running into macOS’ System Integrity Protection, I found a way to get OTP working on OSX 10.6 through 10.11 without destroying automated access with Private+Public KeyPair. Continue reading “SSH + TOTP – Two factor Authentication on SSH with OATH Time-based One-Time Passwords”