i don’t like ssh & password authentication. but sometime, specially during setup or recovery, it’s need and make sense. thought i’ll protect some boxes with otp. here a few notes and instrucations Build login_otp git clone https://github.com/reyk/login_otp cd login_otp make obj make all doas make install Initialize OTP DB doas otp -i Generate Key for User otp -g Name: stoege Key: xxxx xxxx xxxx xxxx xxxx xxxx xx URL: otpauth://totp/stoege?secret=xxxxxxxxxxxxxxxxxxxxxxxxxx&issuer=&algorithm=SHA1&digits=6&period=30 Build QR Code echo "otpauth://totp/stoege?