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Some Ordinary Developer
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A not-so-ordinary tech blog
SSL certificates are required for websites in order to protect user data, validate website ownership, prevent attackers from creating a false version of the site, and transmit trust to users.
Certbot is a free, open-source software tool for automatically using Let’s Encrypt certificates on manually-administrated websites to enable HTTPS.
source: certbot
Server with CentOS 8
Apache is installed on the server with the configured virtual host for your domains.
Add the CentOS 8 EPEL repository
$ sudo dnf install epel-release
Now Install Certbot with the required packages python3-certbot-apache and mod_ssl
$ sudo dnf install certbot python3-certbot-apache mod_ssl
To obtain a certificate that covers only one domain
$ sudo certbot --apache -d example.com
To obtain a certificate that covers multiple domains
$ sudo certbot --apache -d www.example.com -d example.com
You can also use certbot utility prompt
$ sudo certbot --apache
#Output
Successful Installation output will be something similar to this
IMPORTANT NOTES:
- Congratulations! Your certificate and chain have been saved at:
/etc/letsencrypt/live/example.com/fullchain.pem
Your key file has been saved at:
/etc/letsencrypt/live/example.com/privkey.pem
Your cert will expire on 2022-01-26. To obtain a new or tweaked
version of this certificate in the future, simply run certbot again
with the "certonly" option. To non-interactively renew *all* of
your certificates, run "certbot renew"
- Your account credentials have been saved in your Certbot
configuration directory at /etc/letsencrypt. You should make a
secure backup of this folder now. This configuration directory will
also contain certificates and private keys obtained by Certbot so
making regular backups of this folder is ideal.
- If you like Certbot, please consider supporting our work by:
Donating to ISRG / Let's Encrypt: https://letsencrypt.org/donate
Donating to E
FF: https://eff.org/donate-le
https://www.ssllabs.com/ssltest/analyze.html?d=example.com
We learned how to install a free SSL certificate on your domain in a very basic and straightforward manner.