Practical, hands-on tutorials for developers and IT professionals. Step-by-step guides with copy-paste commands, real-world configurations, and battle-tested solutions.
Essential U-Boot commands for flashing firmware, configuring boot, TFTP/NFS boot, and debugging embedded Linux systems.
Build custom embedded Linux distributions with the Yocto Project. Master BitBake commands, recipes, layers, and image creation.
Complete guide to NFS server setup on Linux. Share directories across your network, configure exports, and set up NFS root for embedded systems.
Master MQTT messaging with the Mosquitto broker. Learn to publish, subscribe, and build real-time IoT communication systems.
Master GNU Make for automating builds, tests, and deployments. Works with any language or project type.
Learn how to create custom systemd services, manage daemons, configure automatic startup, and troubleshoot service issues.
The complete guide to testing REST APIs with cURL. Learn HTTP methods, headers, cookies, JSON payloads, and authentication.
Essential Linux commands for developers and sysadmins. Find files, change permissions, manage disks, create patches, and more.
A practical reference for everyday Git operations. Master stashing, resetting, branching, and patching with copy-paste commands.
Build a production-ready mail server on Ubuntu 18.04+ with Postfix, Dovecot IMAP, Let's Encrypt SSL, SPF, DKIM, and DMARC.