System & Network Admin

Learn to make an HTTPS connection using curl.

In this tutorial learn How to Find your IP address using a Linux OS. Simple guide for checking internal and external IP addresses on a Linux system.

Discover the differences between VPS and VPN, as we demystify these words and guide you in choosing the right solution for your online needs.

Wayland has been around for a while and is hailed as the much better alternative to X11. Learn what Wayland is, how it works, and how to use it

Everything you need to know about Prometheus Alertmanager - why it's important, how it's designed, how to configure it, why we at groundcover love Prometheus Alertmanager so much, and how it has made our lives easier.

Manage your server without fighting the terminal. Server control panel based on Docker.

No one can deny that debugging helps us a lot while solving problems. One major developer experience issue today with kubernetes is that it is hard to debug a problem. Today, we will play with a specific tool that will help us do that

How the actual build look like. TL;DR Link to heading This is not a guide on how-to install and configure Linux, but a list of the components I used to build my personal Linux workstation, to avoid any compatibility issue and to exploit the best in terms of performance and stability. For who’s asking, I am using Arch Linux as my daily driver and it is configured through the Ansible playbook i made.

Fellow DietPi enthusiasts, I have long searched for a newbie-friendly solution, but, alas, I failed miserably… Thus, I have come here to humbly seek your help in my quest to achieve this: Goals Running vaultwarden on HTTPS with a cert from letsencrypt (no more annoying warnings!) No (additional) port forwarding for a reverse proxy solution (as I am no tech guru, I prefer to keep my attack surface minimal) Current state RPi4 @ DietPi 7.2.3 The default lighttpd web server A working DDNS ...

Let’s Encrypt is a Certificate Authority providing an easy way to acquire and install free SSL/ TLS certificates, enabling encrypted http traffic on web

This guide will is on How To Generate Let's Encrypt Wildcard SSL certificate. As you may already know, Letsencrypt announced the release of ACME v2 API which

It is literally "dead simple" to automatically install and renew Proxmox SSL Certificate with LetsEncrypt, through the GUI and ACME protocol.

Learn the function and differences between some standard server configuration directories.

Did you ever want to use your own domain as a dynamic DNS for your non static IP address? Learn how to do it using a router by Ubiqiti and Cloudflare with this guide

Dynamic DNS allows external clients to connect to your UniFi gateway using a hostname rather than an IP address. This is particularly useful if your UniFi gateway uses a frequently changing  WAN IP...

Learn how to use the Let’s Encrypt client to generate RSA certificates and automatically configure NGINX to use the newly issued certificates.

Let's Encrypt is a certificate authority that provides free SSL certificates for websites. However, it not only offers SSL certificates;

Nginx is a fast and popular web server that can be used as a reverse proxy and load balancer for your servers. In this tutorial, we will show you how ...

There it is. The final instalment. Over the course of this series, we've built a very useful Rust web service that shows us colored ASCII art cats, and we've packaged it with ...

The Nix package collection (Nixpkgs) is a powerful tool to ensure the continued growth, transparency and resilience of open source software.

Introduction

Users can point and click at an array of sources to quickly glean which users have access to which data assets.

Once you install Debian to function as a server, you might notice it's missing something important--sudo. Jack Wallen walks you through the process of installing sudo and enabling it for user.

Webhooks are a bit of a wild west in the tech space, and different than REST APIs. So, how do we document them? Here are some tips.

Adventures in making stuff with Daniel Higginbotham