Install SSL certificate on Ubuntu 20.04 using Certbot

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First  you make sure you have a virtual host file for your domain. In my case I have /etc/apache2/sites-available/www.conf 


Step 1 — Installing Certbot

  • $ sudo apt install certbot python3-certbot-apache

  • Step 2 — Allowing HTTPS Through the Firewall
  • $ sudo ufw allow 'Apache Full'
  • $ sudo ufw delete allow 'Apache'

Step 3 — Obtaining an SSL Certificate

$ sudo certbot --apache Saving debug log to /var/log/letsencrypt/letsencrypt.log Plugins selected: Authenticator apache, Installer apache Enter email address (used for urgent renewal and security notices) (Enter 'c' to cancel): your_email@domain - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Please read the Terms of Service at https://letsencrypt.org/documents/LE-SA-v1.2-November-15-2017.pdf. You must agree in order to register with the ACME server at https://acme-v02.api.letsencrypt.org/directory - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - (A)gree/(C)ancel: A - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Would you be willing to share your email address with the Electronic Frontier Foundation, a founding partner of the Let's Encrypt project and the non-profit organization that develops Certbot? We'd like to send you email about our work encrypting the web, EFF news, campaigns, and ways to support digital freedom. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - (Y)es/(N)o: Y Which names would you like to activate HTTPS for? - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1: www.ct.edu.tl - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Select the appropriate numbers separated by commas and/or spaces, or leave input blank to select all options shown (Enter 'c' to cancel): 1 Obtaining a new certificate Performing the following challenges: http-01 challenge for www.ct.edu.tl Enabled Apache rewrite module Waiting for verification... Cleaning up challenges Created an SSL vhost at /etc/apache2/sites-available/www-le-ssl.conf Enabled Apache socache_shmcb module Enabled Apache ssl module Deploying Certificate to VirtualHost /etc/apache2/sites-available/www-le-ssl.conf Enabling available site: /etc/apache2/sites-available/www-le-ssl.conf Please choose whether or not to redirect HTTP traffic to HTTPS, removing HTTP access. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1: No redirect - Make no further changes to the webserver configuration. 2: Redirect - Make all requests redirect to secure HTTPS access. Choose this for new sites, or if you're confident your site works on HTTPS. You can undo this change by editing your web server's configuration. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Select the appropriate number [1-2] then [enter] (press 'c' to cancel): 2 Enabled Apache rewrite module Redirecting vhost in /etc/apache2/sites-enabled/www.conf to ssl vhost in /etc/apache2/sites-available/www-le-ssl.conf - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Congratulations! You have successfully enabled https://www.ct.edu.tl You should test your configuration at: https://www.ssllabs.com/ssltest/analyze.html?d=ct.jnec.edu.bt - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - IMPORTANT NOTES: - Congratulations! Your certificate and chain have been saved at: .
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- If you like Certbot, please consider supporting our work by: Donating to ISRG / Let's Encrypt: https://letsencrypt.org/donate Donating to EFF: https://eff.org/donate-le - We were unable to subscribe you the EFF mailing list because your e-mail address appears to be invalid. You can try again later by visiting https://act.eff.org.
Step 4 — Verifying Certbot Auto-Renewal
$ sudo systemctl status certbot.timer
* certbot.timer - Run certbot twice daily Loaded: loaded (/lib/systemd/system/certbot.timer; enabled; vendor preset: enabled) Active: active (waiting) since Fri 2021-02-26 07:30:47 UTC; 2min 59s ago Trigger: Fri 2021-02-26 23:38:51 UTC; 16h left Triggers: * certbot.service Feb 26 07:30:47 ct systemd[1]: Started Run certbot twice daily.

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