System & Network Admin

1. My Caddy version (V2 beta 14): 2. How I run Caddy: I use the systemd service template mentioned in the documentation. My Caddyfile looks like this: samvanderkris.xyz, www.samvanderkris.xyz { reverse_proxy * unix:/run/gunicorn.sock root /static /home/sam/samvanderkris header / Strict-Transport-Security "max-age=31536000; includeSubDomains; preload" } a. System environment: Ubuntu server 19.10, caddy is running as a systemd service. The reverse proxy is supposed to...

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In this chapter of bash beginner series, you'll learn about using if-else, nested if else and case statements in bash scripts.

Normal filesystem images can be easily mounted: mount system.img /mnt Examined, and modified. But when I try this with a Raspberry Pi system image (e.g. raspbian), I get: mount: unknown filesys...

With the release of Apple silicon, the adoption of ARM-based CPUs is surging. Many developers are facing a new challenge: compiling their software for ARM-based CPUs. And it’s not just about the binar

When you need low-level Linux data copying, there's one tool that never fails: the dd command. Here's how to use dd.

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Learn how to call a script from inside another script and compare the pros and cons of the different ways to do this.

How to setup Nginx as a web server for any backend programming language

You'll often see Docker described as the runtime for modern apps using microservice architectures. Here's how to use containers as the runtime for all of your applications.

An unofficial guide to using Mastodon and the Fediverse

Learn to install Distrobox on Debian 12 with ease. Click for a step-by-step guide and enhance your Linux experience today!

is there a way to use exiftool command on all files with specific extensions inside a folder? E.g. exiftool -overwrite_original -all= *.jpg *.png *.jpeg The problem of the command above is that it

This article explains how to set up Portainer with automatic HTTPS certificates (via Caddy) and OAuth single sign-on (via Authelia).

With a versatile key management system and access to several public key directories, GPG is a must-have for security-minded Linux users.

This article explains the rsyslog logging service and compares it to the newer journald system. It uses practical command examples to manage the services and update configuration files.

SSHFS mounts remote directories to a local machine using secure encryption, with a connection that is far more secure than your standard FTP.

In this tutorial, you will learn how to extract the metadata of a video file in Python. Two methods of extracting the metadata are here.

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A comprehensive guide to NetBSD, FreeBSD, OpenBSD, and DragonFlyBSD

TL;DL This Wiki explains how to enable https connections between hosts in a LAN with automatically renewed certificates. Just scroll down and go over the example Caddyfiles. They hopefully have enough comment to understand the idea 😉 Introduction If you have successfully followed the Wiki Using Caddy as a reverse proxy in a home network by @Matt, you have setup a reverse proxy that provides a TLS encrypted connection from the internet to that reverse proxy. This is mandatory and you should...

Create LXC Templates Every time inspiration struck or I saw a blog post with something I wanted to try, it was frustrating and time consuming to get the base operating system set up to the way I like it before proceeding with the project. Now I just update the template each point release or when I add something substantial to my dotfiles so it's ready to go whenever I need to spin up a fresh container.

1. Forward HTTPS traffic to Ubuntu machine First we need to redirecting the communication addressed to the public IP address to the static IP of our host Ubuntu machine. In my case, that address is the 192.

This article explains the role of command-line package managers, examines the package manager options for various distributions and demonstrates how to manage software with some of the most common tools.