Linux Commands #23 - id — Read Your Linux Identity (UID, GID, Groups Explained)

Master IT skills with Dargslan - No Filler, Just Knowledge. 🚀 Get our 300+ Tech & IT eBooks: https://dargslan.com In this video, we dive deep into professional IT workflows to help you learn faster and code smarter. Whether you're a DevOps engineer, a SysAdmin, or a curious developer, our "No Filler" approach ensures you get the facts without the fluff. The id command reveals your Linux IDENTITY: your username, your numeric UID, your primary group, and every additional group you belong to. Once you can read its output, you'll understand 80% of all Linux permission errors. In this lesson: 🎯 What UID, GID, and groups mean 🎯 id — your full identity card 🎯 id -u, -g, -nG — pinpoint exactly what you need 🎯 id USERNAME — check OTHER users (sysadmin gold!) 🎯 The "groups need re-login" gotcha The full course is at dargslan.com — taught by an MCT-certified instructor with 20 years of IT experience. ⏱ TIMESTAMPS 0:00 "Why can't I edit this config?" 1:15 The three pieces of identity 1:45 First try: id 2:00 Useful flags: -u, -g, -nG 2:30 Investigate others: id USERNAME 3:30 Real example: debugging Docker permissions 4:00 Common mistake: groups need new login 📚 Linux Commands — The First 50 · Lesson 23 · dargslan.com #id #linuxid #linuxgroups #linuxpermissions #linuxtutorial #commandline 🔔 Subscribe for weekly IT insights: https://m.youtube.com/channel/UCv2QLrkCMSBljYG5XKd8IEA About Dargslan: We are dedicated to sharing high-quality, practical IT knowledge. Our mission is to provide the most efficient learning resources for the modern tech industry. #DevOps #ITMastery #Dargslan #Linux #CloudEngineering #NoFillerTech