Knowledge Base

Found Knowledge Base articles
Don't Fear the Command Line: 15 Basic Linux Server Commands.
Features of domain registration in the zone .SK
Difference between Legitimate Marketing Mailings and Spam
How to protect a website directory with a password using .htpasswd file in Nginx
Get a free .today domain when you order a VPS in the Netherlands!
Manage iptables rules: view, delete, and create.
Using SSH to connect to a remote server
Configuring authorization by SSH keys on a Linux server
Obtaining a Let's Encrypt SSL certificate in Ubuntu with Certbot
How to find out the IP address in Linux
How to recognize a domain MX record using the DIG command
What is an MX record - how to set it up and test it
How to point a domain name to an IP address
HTTP and HTTPS
What is Identity Digital
Domain name registry & Domain name registrar
How DHCP works
What is a mail server and how does it work
Network ports - what they are
How to protect the server from DDoS attacks
Why do you need SSL certificate
What is the difference between VPS and hosting
Choosing a free control panel for VPS
Configuring Ubuntu VPS server
VPS and dedicated server: find the differences
What is reverse DNS (rDNS/PTR)?
What is DNSSEC and what is it for?
What's Spamhaus?
How can I prevent my emails from being marked as spam?