Generate SSL certificates for all sites in Nginx

Generate SSL certificates for all sites in NginxArticle contains

Creating SSL certificate for your Nginx-managed domain
1. Install Certbot
2. List all domains in the Nginx configuration
3. Obtain the SSL certificate
4. Reload the Nginx configuration without restarting the entire server
5. Verification
Automating the renewal process
1. Check if Certbot auto-renew is enabled
2. Simulate renewal
3. Optionally add a hook for Nginx reload

Generate SSL certificates for all sites in Nginx

To easily generate an SSL certificate for your Nginx-managed domain, you can utilize Certbot, a widely-used tool that automates the process of obtaining and installing SSL certificates from Let’s Encrypt.

How do I clear a big /var/log/journal folder?Article contains

The problem
How do I safely clear a big /var/log/journal folder?
1. Determine how much disc space /var/log/journal consumes
2. Clear (reduce) the folder size instantly
Control the amount of disc space that /var/log/journal can utilise