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Lets Generate a free SSL certificate and run an HTTPS server in 5 minutes or less (Node + Express + LetsEncrypt)

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  What you actually came for First , you need those few things: A server running on a linux distribution with root access (via SSH) NodeJS:  https://nodejs.org/en/ Express :  npm install express Certbot To install certbot, copy-paste those lines in a terminal : $  sudo add-apt-repository ppa:certbot/certbot $ sudo apt-get update $ sudo apt-get install certbot Second , you will generate an SSL certificate with certbot : $ certbot certonly --manual Type your domain name(s) without the protocol part. For instance:  yourdomain.com  or even  muchdomain.verysite. Type  Y  then  ENTER. Note two things : a-string :  The name of the file you have to create, right now. Just create it, we’ll take care of the directories later. a-challenge:  Open the file you just created and put this challenge string into it. Nothing else, just this challenge string. Now, don’t continue. You need to run a web server with Node & Express. Keep your terminal opened somewhere Create a directory with the name you

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