How to add let’s encrypt manually under LNMP?

Today, I just found https://www.globalsafetyglasses.com/ is not allowed to visit. SSL is expired. Here is a simple way to renew: Just add a new SSL!!! lnmp ssl addwww.globalsafetyglasses.comglobalsafetyglasses.com/eyeglasses/web/www.globalsafetyglasses.com Done!