TechHub

Apache Kafka is a distributed event streaming platform used for real-time data pipelines, log aggregation, and event-driven microservices. This tutorial explain

Kubernetes (K8s) is the de facto standard for orchestrating containers at scale. It handles scheduling, scaling, self-healing, and service discovery. This tutor

Ansible is an agentless configuration management tool. It connects to servers over SSH, runs tasks defined in YAML playbooks, and enforces the desired state of

tmux (terminal multiplexer) lets you run multiple terminal sessions inside one window, split the screen into panes, and keep long-running processes alive after

find is the most powerful file search tool on Linux. Unlike locate, which relies on a prebuilt index, find walks the filesystem in real time and can filter by n

Terraform lets you define cloud infrastructure in declarative configuration files, version them in Git, and apply changes consistently across environments. This

curl is the standard command-line tool for transferring data over HTTP, HTTPS, FTP, and dozens of other protocols. Developers use it to test APIs, inspect heade

Vim is installed on virtually every Linux and macOS system, which makes it the one editor you can always rely on. The learning curve is steep, but a small set o

systemd is the init system on nearly every modern Linux distribution. It starts services at boot, restarts them after failures, and captures their logs. This tu

SSH keys replace passwords with public-key cryptography. They are faster, immune to brute-force attacks, and required by most cloud providers. This tutorial cov

Git is the universal version control system for software projects. This cheat sheet groups the commands you will use most often by workflow stage, from initial

Nginx is the most widely deployed reverse proxy on the web. It sits in front of your application server, handles TLS termination, serves static files, and forwa

JSON Web Tokens (JWTs) are the standard way to authenticate users in stateless APIs. This tutorial explains the three-part JWT structure, walks through a login-

Regular backups are the foundation of database reliability. PostgreSQL provides two command-line tools for logical backups: pg_dump for a single database and pg

GitHub Actions lets you automate building, testing, and deploying code directly from your GitHub repository. This tutorial walks through creating a CI/CD pipeli

kubectl is the command-line tool for interacting with Kubernetes clusters. This cheat sheet covers the commands you will use most often for inspecting, creating

Docker solves a classic problem: “It works on my machine, but not on yours.” This tutorial explains the core concepts, shows the most useful commands, and wal

FFmpeg is one of the most powerful open-source tools for audio and video processing. It powers many video platforms and conversion services. This cheat sheet co

If there‘s one thing that’s changed about the software landscape in 2026, it‘s this: you no longer need to pay a subscription to get professio

Both ASP hosting and PHP hosting are website hosting services, but they use different server-side scripting languages.

ASP hosting uses Active Server Pages (AS

Choosing the right domain registrar and hosting provider is one of the most important decisions for any website owner. The right combination can save you money,

MySQL is the most popular open‑source database, but default configurations often leave performance on the table. Optimizing your MySQL setup can dramatically i

Images are the largest files on most websites. Unoptimized images slow down your site, hurt SEO, and increase bandwidth costs. These 10 free tools help you comp

Google Analytics is powerful, but it's not the only option. Privacy concerns, data ownership, and simplicity are driving many site owners to explore alterna

Every developer has those moments – you need to quickly format JSON, decode a Base64 string, or test a regex pattern. You don't want to open a heavy IDE or ris