We will now obtain a cert for our test domain example.com. Certbot has an Apache plugin, which automates the certificate installation.
sudo certbot --apache
Enter email address (used for urgent renewal and security notices) (Enter 'c' to
cancel):
Enter an email address where you can be contacted in case of urgent renewal and security notices.
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:
Press a and ENTER to agree to the Terms of Service.
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 EFF and
our work to encrypt the web, protect its users and defend digital rights.
-------------------------------------------------------------------------------
(Y)es/(N)o:
Press n and ENTER to not share your email address with EFF.
If you have multiple domains already configured on your server, you will see a list of them here. In this example, we only have one domain example.com and its www. prefix.
Select option 1 if you don’t want to use the www. prefix in your website address, otherwise select option 2.
Obtaining a new certificate
Performing the following challenges:
http-01 challenge for example.com
Waiting for verification...
Cleaning up challenges
Created an SSL vhost at /etc/apache2/sites-available/example.com-le-ssl.conf
Enabled Apache socache_shmcb module
Enabled Apache ssl module
Deploying Certificate to VirtualHost /etc/apache2/sites-available/example.com-le-ssl.conf
Enabling available site: /etc/apache2/sites-available/example.com-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):
Press 2 and ENTER to redirect all traffic to HTTPS.
As Let’s Encrypt certs expire after 90 days, they need to be checked for renewal periodically. Certbot will automatically run twice a day and renew any certificate that is within thirty days of expiration.
To test that this renewal process is working correctly, you can run: