System & Network Admin

Hex editor

Okteta comes with elite raw data handling functionalities like multiple open files, fast data rendering, data view profiles, statistic tools, and printing.

Guides, tips, and tricks from the team at Fly

Personal website generated with Jekyll

Dockerizing Elixir for Raspberry Pi / ARM was easier than expected. If you're looking to do the same then this quick guide might help.

Lsyncd is a lightweight Linux solution for synchronizing remote and local directories. The use of Lsyncd does not affect the performance of the local filesystem

Docker images are created from a Dockerfile that defines a base image and a series of instructions that add your own filesystem layers. What happens if you want to make your own “base image” though? Here’s how to start from scratch and create a complete container filesystem from the ground up.

This article explains how to install and find out real-time per-process network bandwidth usage with nethogs utility under Unix/Linux operating systems.

How to Provision Bare-Metal K8s Clusters with Cluster API and Canonical MaaS (...and still manage them like just any other K8s cluster!)

The below instructions will allow for bringing up an ARM VM from scratch.

I've tried to install the ubuntu-18.04.2-server-arm64.iso with libvirt Virtual Machine Manager to have an aarch64 (same as arm64) Ubuntu VM. But it displays a message "Failed to setup UEFI for AAr...

A few weeks ago, I wasted a lot of time (and hair) trying to run Raspbian in a VM, so that I could run it as part of my CI system and build software for it. I eventually managed to get something runni

In this guide, we have shown you through the process of setting up ModSecurity with Apache on Debian/Ubuntu systems to detect and block unwanted traffic.

I'll admit it: I'm a fan of Linux. While I've used Slackware on workstations and Red Hat Enterprise Linux (RHEL) on servers for years, I love seeing how other distributions do things. What's more, I really like to test applications and scripts I write on other distributions to ensure portability. In fact, that's one of the great advantages of Linux, as I see it: You can download a distro and test your software on it for free.

It seems SSDs aren't as failure-resistant as many of us thought.

Everyone chats. Everyone chats with different apps and services. But which is the best? You might be surprised at the conclusion Jack Wallen draws.

Tremor is an event-processing engine that focuses on ease of use, performance and efficient resource utilization.

Windows 11 has a lot to offer, but a few features are going by the wayside.

Measuring the energy consumption of software is far from being a trivial task. This article provides essential details about energy consumption tools, their...

Explains how to install qrencode command on Linux & generate WireGuard QR code on Linux for iOS or Android mobile for faster deployments

The Speed of Time

Microsoft Exchange has for many years been nearly unavoidable as a platform for groupware environments. Late in 2020, however, an Austrian open source software developer introduced grommunio, a groupware server and client with a look and feel familiar to Exchange and Outlook users.

A flurry of alternative apps have become available for the preinstalled Windows software and utilities. We list some of the best here.

Bash supports three types of loops, namely for loop, while loop and until loop. In this guide, we will learn about while and until loops.

Today I wanted to call some extra attention to those little things, the ones that don't get the spotlight, but simply make a developer's life better.