System & Network Admin

DML uses INSERT, UPDATE, DELETE and MERGE to add, update, and delete data in SQL.

Why WAL files accumulate in Postgres and what to do about them

Use declarative language to build simpler, faster, scalable and flexible data pipelines

Home is where the heart is. Or, if you're running Linux, it's where you mount the home directory. Here's how.

The Object Store for AI Data Infrastructure

[Michael Lynch] encountered a strange situation. Why was compiling then running his program nearly 10x faster than just running the program by itself? [Michael] ran into this issue while benchmarki…

Android, the popular mobile phone OS, is essentially just Linux with a nice user interface layer covering it all up. In theory, it should be able to do anything a normal computer running Linux coul…

Let's look at fzf advanced features by creating interfaces for one of the best tool we have, Git.

Manually crafting Dockerfiles presents challenges for developers. One possible solution is to autogenerate them with an abstraction tool.

Create your own observability platform using open-source technologies like Prometheus, AlertManager, OpenTelemetry and Tempo (13/17)

Vale is a command-line tool that brings code-like linting to prose. It's fast, cross-platform (Windows, macOS, and Linux), and highly customizable.

The next generation cloud-native Linux workstation, designed for reliability, performance, and sustainability.

You don't always need third-party software to control multiple Linux servers — not when a bit of scripting magic can get the job done.

Mosquitto is a free, open-source, and lightweight server implementation of the MQTT protocol. This post will show you how to install the Mosquitto ser...

Have you ever found yourself patiently waiting as Pip installs the various Python packages needed for your latest project? Well, the good folks at Astral aim to solve this common frustration with their new tool: uv! What is Uv? uv is a fast (10-100 times faster) high-speed package installer and

Documentation and guides from the team at Fly.io.

Aliases provide an easy way to reuse complicated or often-used commands.

Let's imagine your product didn't die and managed to gain some real traction (🎉 CONGRATULATIONS!). After a few years it stops being a small and nimble project and turns into something much bigger, involving dozens and hundreds of people. Project lifecycle: MVP - growth - maintenance What does a full-stack engineer

Our topic today is configuring desktop Linux DNS settings. It’s simple in principle and can yield privacy, security, and availability benefits. Yet despite how straightforward it is in theory and historically was in practice, customizing your device’s DNS is no longer an intuitive matter.

This installment will start by fleshing out how systemd-resolved routes queries. From there, I will outline how to configure DNS on a per-link basis. To close, I will reflect on why it’s so difficult to get simple, consistent, and actionable information on this subject.

In this post, we will see how we can use the history command effectively to extract the commands that were executed by users in the Bash shell.

Leap years are not quite as regular as we might have believed. A fairly simple Linux script can tell you whether a year will be a leap year or not.