1. SSH into the server
2. Install snapd
Adding EPEL to CentOS 8
$ sudo dnf install epel-release
$ sudo dnf upgrade
Adding EPEL to CentOS 7
sudo yum install epel-release
Installing snapd
sudo dnf install snapd
sudo systemctl enable --now snapd.socket
sudo ln -s /var/lib/snapd/snap /snap
3. Ensure that your version of snapd is up to date
sudo snap install core; sudo snap refresh core
4. Remove certbot-auto and any Certbot OS package
examples are sudo apt-get remove certbot, sudo dnf remove certbot, or sudo yum remove certbot.
5. Install Certbot
sudo snap install --classic certbot
6. Prepare the Certbot command
sudo ln -s /snap/bin/certbot /usr/bin/certbot
7. Choose how you'd like to run Certbot Either get and install your certificates…
sudo certbot --nginx
Or, just get a certificate
sudo certbot certonly --nginx
8. Test automatic renewal
sudo certbot renew --dry-run
The command to renew certbot is installed in one of the following locations:
/etc/crontab/
/etc/cron.*/*
systemctl list-timers
9. Confirm that Certbot worked
To confirm that your site is set up properly, visit https://yourwebsite.com/ in your browser and look for the lock icon in the URL bar.
