dthphuong/let-encrypt.md

## let-encrypt.md

      
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              let-encrypt.md
            
          
    Step 1 — Installing Certbot

sudo add-apt-repository ppa:certbot/certbot
sudo add-apt-repository universe
sudo apt update
sudo apt install certbot python3-certbot-apache
Step 2 — Set Up the SSL Certificate

sudo nano /etc/apache2/sites-available/your_domain.conf
File: /etc/apache2/sites-available/your_domain.conf
...
ServerName your_domain;
...
Step 3 — Allowing HTTPS Through the Firewall

sudo ufw allow 'Apache Full'
sudo ufw delete allow 'Apache'
Step 4 — Obtaining an SSL Certificate

sudo certbot --apache -d your_domain -d www.your_domain
Step 5 — Verifying Certbot Auto-Renewal

To check the status of this service and make sure it’s active and running, you can use:
sudo systemctl status certbot.timer
To test the renewal process, you can do a dry run with certbot:
sudo certbot renew --dry-run
Ref: https://www.digitalocean.com/community/tutorials/how-to-secure-apache-with-let-s-encrypt-on-ubuntu-18-04