This tutorial shows how to use the telnet command to establish remote connections with remote servers or machines, and troubleshoot networks.

The "Temporary failure in name resolution" error appears due to bad system configuration. This article shows how to troubleshoot and fix it.

This comprehensive guide shows how you can set up the s0.d1.small Bare Metal Cloud instance as a powerful firewall protecting your business.

Install OpenVPN on a CentOS 7/8 server and configure it to easily access from a client machine. Set up OpenVPN and secure your data traffic.

Both pfSense and Sophos are top-notch firewall solutions. Check out this quick overview of pfSense vs Sophos to find out which should be your choice.

This guide shows you how to allow remote MySQL connections by editng the MySQL server config file and granting acces to new and existing databases.

When developing locally the localhost refused to connect is the worst error you can get. See the causes and what solves the error.

Learn to forward ports with Iptables on Linux and create secure proxy firewall configurations for your web server by following this tutorial.

Learn all about iptables and Linux firewalls in this ultimate tutorial. Configure iptables and secure your server workloads before a cyber attack strikes.

PhpMyAdmin allows you to manage MySQL or MariaDB databases. Learn how to install, secure, and configure phpMyAdmin on CentOS 8 with this simple guide.