An SSL certificate (Secure Sockets Layer certificate) is a digital certificate used to establish a secure, encrypted connection between a web server and a web browser. It ensures that data transferred between the two parties is secure and can't be intercepted by attackers.

Comment générer ses propres certificats SSL à des fins de développement

Cockpit is a very powerful server admin tool. It allows you to monitor server vitals including basic info like CPU, I/O, Memory, etc. You can also see server logs and it even comes with a web-based terminal.