Switched from openvpn to tinc after openvpn certificate expired after 10 years (default duration of creation script) and I lost connection to my family computer

Switched from openvpn to tinc after openvpn certificate expired after 10 years (default duration of creation script) and I lost connection to my family computers, so I had to drive a few hundred kilometers Nearly 8 years ago, still running: $ ls -l /etc/tinc/guerby1/tinc.conf -rw-r--r-- 1 root root 51 Jul 31 2015 /etc/tinc/guerby1/tinc.conf