System & Network Admin

What is Difftastic? Difftasic is a CLI tool that allows you to compare files based on their syntax rather than rely on line-by-line matching. For example, this means that if you had the following files, Difftastic would not detect any differences. $ cat vlans_1.json { "vlans": [100, 200,

iSCSI stands for Internet Small Computer System Interface is a Storage Area Network protocol that can be used to share block devices such as HDD/SSD p...

How to monitor the permission change and ownership change of a particular directory or file? How to configure auditd to find how a file was modified in Red Hat Enterprise Linux? What tool can audit files at a directory level? How do I monitor files or directories using auditd in Red Hat Enterprise Linux ? How do I monitor a file or directory to see which user or program has accessed or modified data ?

Explore the comprehensive auditd package in Linux.

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Learn how to install cifs-utils on Debian 12 with this tutorial. cifs-utils is Common Internet File System utilities

Jellyfin is free software for building a media server. It lets you collect, manage, and stream your media files from multiple devices or clients. This...

Learn how to use the ServerName and ServerAlias directives to configure virtual hosts on an Apache web server.

Analyze telemetry data for builds

Docker is now widely used in DevOps due to its ease of use and intuitive user experience. In this series, you'll learn everything there is to know about Docker, from its internals to exploiting misconfigurations to securing your Docker environment.

Docker images are created from a Dockerfile that defines a base image and a series of instructions that add your own filesystem layers.

The Docker container driver runs BuildKit in a container image.

Have you ever wondered what it's like to create a docker base image that users can import and build on? This tutorial will show you how to make your own Docker base images from scratch in two different approaches.

Tired of iptables? With firewalld, you can easily open ports, block IP addresses, manage zones, and even add a GUI for easier management.

Bryan Lunduke posts a guide on running a DOS-based web server. Yes, DOS. And, while DOS may not be the high-up-time, massively scalable Web Server platform of the future… it’s still a heck of…

Multi functional app to find duplicates, empty folders, similar images etc.

Learn how to use Nginx as a forward proxy for any requested location.

This short from my Ship It! apperance created a firestorm of comments from folks who were unsatisfied with the lack of explanation behind my conclusion. Let me explain…

Blocking in the kernel's random-number generator (RNG)—causing a process to wait for "enough" entropy to generate strong random numbers—has always been controversial. It has also led to various kinds of problems over the years, from timeouts and delays caused by misuse in user-space programs to deadlocks and other problems in the boot process. That behavior has undergone a number of changes over the last few years and it looks possible that the last vestige of the difference between merely "good" and "cryptographic-strength" random numbers may go away in some upcoming kernel version.

Klunok is a smart versioning and automatic backup daemon for Linux.

A collection of configurable, fast Git status components for custom zsh themes

reNgine is an automated reconnaissance framework for web applications with a focus on highly configurable streamlined recon process via Engines, recon data correlation and organization, continuous monitoring, backed by a database, and simple yet intuitive User Interface. reNgine makes it easy for penetration testers to gather reconnaissance with minimal configuration and with the help of reNgine’s correlation, it just makes recon effortless.

NetDrive is a DOS device driver that allows you to access a remote disk image hosted by another machine as though it was a local device with an assigned drive letter. The remote disk image can be a…