1. Install from web: https://get.acme.sh
Install https://github.com/Neilpang/acme.sh
curl https://get.acme.sh | sh -s [email protected]
or
wget -O - https://get.acme.sh | sh -s [email protected]
https://github.com/Neilpang/acme.sh/wiki/How-to-install