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Daren Wesolowski

Illustration of a computer connecting securely to a Debian 13 server using an SSH cryptographic key instead of a password.

How to Set Up Passwordless SSH Login on Debian 13

Secure Shell (SSH) is the standard method for remotely administering Linux servers. By default, SSH can authenticate users with a password, requiring you to enter the account password each time you connect. For systems you access regularly, SSH key-based authentication provides a more secure…

Illustration of a Debian server connected to a router and network using a manually configured static IP address.

How to Configure a Static IP Address on Debian 13

Debian servers normally need a predictable network address. Services such as SSH, Docker, Samba, web servers, databases, and other systems on your network need to know where to find the server, which becomes difficult if its IP address can change. A static IP address solves…

Debian 13 bare-metal server installation guide with rack-mounted server

Debian 13 Bare-Metal Server Installation Guide

Debian is a strong foundation for a physical server because it provides a stable Linux environment without requiring unnecessary desktop software or services. A bare-metal installation means Debian runs directly on the physical hardware rather than inside a virtual machine. The operating system has…

A Linux server with a single network adapter serving two IP addresses on the same subnet.

How to Add Two IP Addresses to One Network Interface on Linux

I recently ran into an unexpected networking problem on one of my Linux servers. The system had two physical network adapters connected to the same subnet. While this configuration worked, some applications didn't always use the interface I expected for outbound traffic, making…

Git commit history branching away from an upstream repository to create an independent GitHub repository.

How to Detach a GitHub Fork into a Standalone Repository

Forking a repository is one of GitHub's most useful collaboration features. It allows you to contribute to open-source projects, experiment with new ideas, or build upon an existing codebase while maintaining a relationship with the original repository. Over time, however, many forks…