System & Network Admin

ZTDNS brings the best of both worlds to DNS: encryption and fine-grained control.

Prevent and reverse link rot with a single script

Prevent and reverse link rot with a single script

These AND and OR equivalents are often used in scripts to make decisions about what happens next. In this post, we’ll take a look at how they work at a very basic level and some ways they are often used in scripts.

Makefiles are a way to declaritively manage process dependencies. The were designed for compiling software, but they can be used for many more tasks.

Linux provides various tools for reporting and examining the operations of the CPU, RAM, storage and networking. This article demonstrates how many of these utilities work.

SQL can be typesafe, in the JavaScript sense of the word. Paul Scanlon demonstrates why devs shouldn't be afraid to work with "raw SQL."

Overnight systemd lead developer Lennart Poettering wrote on Mastodon around systemd's newest effort: run0 as a sudo-like command.

By examining real-world scenarios encountered at Coinbase and Nextdoor, this post presents a technical exploration of these challenges, offering guidance to teams seeking to enhance their database operations.

With an egress gateway approach, teams can boost security for their Kubernetes cluster and simplify network security management without incurring more cost.

A network-attached storage (NAS) device is a frequent peripheral in home and office networks alike, yet so often these devices come pre-installed with a proprietary OS which does not lend itself to…

We will develop a way of maintaining high availability with a two or even node count Proxmox cluster deployment. To do this, we will be using what is considered a QDevice.

Almost everyone I know who uses a computer, for...

The practical implementation of the proposed theory and promise of RAFT with Cisco pyATS and LangChain Introduction In the field of network engineering, the complexity and dynamism of network architectures present a significant challenge for configuration, troubleshooting, and optimization. This technical blog post delves into a groundbreaking methodology, Retrieval Augmented Fine-Tuning (RAFT), which leverages the … Continue reading "Augmenting Network Engineering with RAFT"

Extended Berkeley Packet Filter’s ability to enable quick, uninterrupted updates makes it ideal for handling frequent security configuration changes.

Besides Red Hat Enterprise Linux, several RHEL rival clones and offshoots are vying for your Linux server and cloud dollar. Here's what's with them.

BCC (BPF Compiler Collection) is a set of dynamic tracing tools for monitoring Linux performance, networking, kernel tracing, and more with several useful tools

The article introduces Nginx Ingress. There are many Ingress options available in Kubernetes. Readers can choose according to their needs.

BeeBase, relational programmable database with GUI.

In this part of the Awk series, we shall take a look at how you can filter text or strings using comparison operators in Linux.

Who doesn’t want to use a programming language that is designed to be reliable, straightforward to learn and also happens to be certified for everything from avionics to rockets and ICBMs? De…

You never know if you need to combine two projects into one. If you ever want to, it should be relatively simple and straightforward to do…

Overview Merging two separate Git repositories into one without intertwining their histories is a task that may be needed when combining products,

In this tutorial you learn how to modify the welcome message of your Linux system. This message is shown when you login via SSH.

“I felt like I’d solved a murder.”

Extracting text from a PDF file using GNU less or Python's pypdf. Why its not entirely clear just what a text extractor should do.