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Https is very important if you want to make your site secure and trusted by many. If you using Google Chrome you will notice the site that does not have HTTPS will have not secure tags.

Not secure label in front of the URL

To buy HTTPS Certificate is quite expensive if your site is personal use. You also need to renew every 1 or 2 years.

Luckily we can use Letsencrypt. In this tutorial, I’ll be doing some command on Ubuntu 16 and Nginx. For more tutorial you can visit Certbot sites below

First install the repositories required

sudo apt-get install software-properties-common
sudo add-apt-repository universe
sudo add-apt-repository ppa:certbot/certbot
sudo apt-get update

Then install the certbot

sudo apt-get install certbot python-certbot-nginx

I’m using Nginx as my my Web Server as it doesn’t consume much memory. Apache consumes more memory, because each thread consumes a little bit of memory, so if you have 100 threads it will add up. Remember, this is for my personal use.

sudo certbot --nginx certonly

sudo certbot -a dns-plugin -i nginx -d "*" -d --server

This allow for the wildcard certificate. If you have a new subdomain later on, just run this to add. No need to install the repositories again.

sudo certbot --nginx -d

To make automatic renewal as the LetsEncrypt certificate only last 90 days, all you need to do is to run this command

sudo certbot renew --dry-run 

That’s it. Try it out and if you have some issues let me know.

For reference:

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