Certificats expirés

merci pour la bonne suite que vous réservez à ma demande
Peut-on se fier au lien suivant:
https://rocketmap.readthedocs.io/en/develop/extras/letsencrypt.html
Certbot can automatically detect your webserver’s webroot, and complete the verification automatically, in addition to updating your webserver configuration itself.

For Apache users:
sudo certbot --authenticator webroot --installer apache
Certbot will ask you which domain name you wish to activate HTTPS for. Select the appropriate domain, and allow the verification to complete.
If you see the following message:
Congratulations! Your certificate and chain have been saved at
/etc/letsencrypt/live/example.com/fullchain.pem.
(actuellement /etc/letsencrypt)
Congratulations! Your SSL certificate was successfully generated and installed.
If you want to update your webserver configuration manually, you should manually specify your webroot and domain, such as:
sudo certbot certonly --webroot -w /var/www/example.com/ -d example.com
sudo certbot certonly --webroot -w /var/www/html/ perso.nicolasgf.be -d nextcloud.perso.nicolasgf.be -d igalerie.perso.nicolasgf.be