SysAdminXpert.com
@SysAdminXpert
176 subscribers
25 photos
1 file
1.3K links
✍ Learn basic/new technical stuff related to Linux, Cloud Services, Database, DevOps, OpenSource Tools and best practices.

We also share a free course.
👉Join us: https://t.me/SysAdminXpert

Share it with your friends.👍
Download Telegram
About
Blog
Apps
Platform
Join
SysAdminXpert.com
176 subscribers
SysAdminXpert.com
https://youtu.be/JpiyYMAK9RU?si=20oPMgJr4yxU1ZdG
YouTube
31. Kubernetes Liveness & Readiness Probes Explained + Demo
Learn how Kubernetes keeps your applications healthy using Liveness and Readiness probes!
In this beginner-friendly deep dive, we break down what probes are, why they matter, and how Kubernetes uses them to detect app failures, restart unhealthy containers…
78 views
SysAdminXpert.com
https://youtube.com/shorts/tGLe3pOMn2M?si=2qj65pl_fmlsk7RT
YouTube
7 Powerful Open-Source Cybersecurity Tools for 2026 🔐 #shorts
Cyber threats are evolving fast in 2026 — and you don’t always need expensive tools to stay protected. Free Cybersecurity Tools That Professionals Use (2026)...
78 views
SysAdminXpert.com
https://youtu.be/UGXUgiWTanw?si=8aNYBd_DzF1SLcLM
YouTube
Kubernetes etcd Backup & Restore Demo (kubeadm) | Snapshot & Disaster Recovery
Learn how to perform Kubernetes etcd backup and restore in a kubeadm cluster using a real step-by-step demo. In this tutorial, we cover how to take an etcd snapshot, simulate a Kubernetes disaster scenario, and safely restore the entire cluster state. This…
57 views
SysAdminXpert.com
https://youtu.be/NkcliZ00jlQ?si=IA2-ODS2Qwv9vdTv
YouTube
How Real DevOps Teams Deploy to Production 🚀 (Step-by-Step Explained)
Want to understand how real DevOps teams deploy applications to production without failures? In this video, we break down the complete DevOps deployment process step by step — from code commit to CI/CD pipeline, Docker image build, container registry, Kubernetes…
65 views
SysAdminXpert.com
https://youtu.be/VLqjrlxp6Bk?si=VrT21QcCfKbz3Ri6
YouTube
Kubernetes Horizontal Pod Autoscaler (HPA) 🚀 Auto-Scaling Pods with Live Demo
Learn how to automatically scale your applications in Kubernetes using the Horizontal Pod Autoscaler (HPA) with a complete step-by-step live demo. In this video, we cover how HPA works, how it uses CPU metrics to scale pods, and how you can configure auto…
50 views
SysAdminXpert.com
https://youtu.be/kE2rtuQV4W0?si=S-ZfD2CuwF-wHVct
YouTube
Kubernetes RBAC Deep Dive | Roles, ClusterRoles & Real Access Control (kubeadm Demo)
Kubernetes RBAC (Role-Based Access Control) is one of the most critical concepts for managing secure access in real-world Kubernetes environments, and in this video, we take a deep dive into RBAC using a hands-on kubeadm cluster demo where you will learn…
51 views
SysAdminXpert.com
https://youtu.be/Wd4H3pGDew0?si=XVjWQhVnd2A67lfz
YouTube
Kubernetes RBAC Real-World Scenarios 🔥 Misconfigurations, Namespace Isolation & Debugging
In this Kubernetes RBAC tutorial, we explore real-world RBAC scenarios used in production Kubernetes clusters, including RBAC misconfigurations, namespace isolation, access control debugging, reusable RBAC design, and over-permission risks. Instead of repeating…
54 views
SysAdminXpert.com
https://youtu.be/V5uaNrNMsb4?si=4V-vEK39GQouhwwd
YouTube
Which Rocky Linux ISO Should You Download? Minimal Install + GUI Setup Guide (Step-by-Step)
Thinking of installing Rocky Linux but confused by all the ISO options? 🤔
DVD, Minimal, Live, Cloud, Docker, WSL — which one should YOU choose?

In this step-by-step tutorial, I’ll show you exactly which Rocky Linux ISO to download for learning, labs, virtual…
66 views
SysAdminXpert.com
https://youtu.be/0j_PRkn2GIA?si=YYN9q-8hGKiXpSTM
62 views
SysAdminXpert.com
https://youtu.be/XK8SG9TiN-I?si=GqYdsHQkJ-XZCXq0
YouTube
Blue-Green Deployment in Kubernetes | Step-by-Step Demo for Zero Downtime & Instant Rollback
Learn how to implement Blue-Green Deployment in Kubernetes with a real step-by-step demo to achieve zero downtime deployment and instant rollback. In this tutorial, we cover how Kubernetes Service routing works, how to switch traffic between versions, and…
52 views
SysAdminXpert.com
https://youtu.be/x_oAJgf3ZFk?si=MRaAFVW784gwv6pB
YouTube
3. Kubernetes Pod Pending Fix | Unschedulable, Taints, PVC & NodeSelector Explained
Is your Kubernetes Pod stuck in Pending or Unschedulable?
Seeing errors like Insufficient CPU, Untolerated Taint, PVC not bound, or NodeSelector mismatch?

In this video, I walk you through real-world Kubernetes Pod Pending troubleshooting using live broken…
48 views
SysAdminXpert.com
https://youtu.be/QQkgHJp2C3M?si=3h2eMuXBJzUzUN1H
YouTube
Docker Images & Containers Explained | Layers, Registries & Pulling Images
Learn what Docker Images and Docker Containers are, how they work together,
and how to manage them in real environments.

In this video you will learn:
✅ What is a Docker Image and what is a Docker Container
✅ How Docker image layers work and why they matter…
45 views
SysAdminXpert.com
https://youtu.be/gMLEMbh6Lb8?si=U1IEEM__aSwhWsgl
YouTube
Dockerfile Fundamentals: Write Your First Dockerfile | Docker Tutorial EP 4
In this video, we dive deep into Dockerfile Fundamentals and learn how to write your first Dockerfile from scratch. This is Episode 4 of our complete Docker series on TechOps Tutorials.

We'll cover:
✅ What a Dockerfile is and why it's essential
✅ Dockerfile…
39 views
SysAdminXpert.com
Learn Kubernetes the Practical Way with Hands-on kubeadm Labs!
If you're looking to build a real Kubernetes cluster from scratch, this playlist is for you.

📚 In this playlist you'll learn:
✅ Kubernetes Cluster Setup using kubeadm
✅ Master & Worker Node Configuration
✅ Container Runtime Setup
✅ CNI Networking
✅ Troubleshooting Common Kubernetes Issues
✅ Hands-on Labs and Real-world Demos
✅ Best Practices for Beginners and DevOps Engineers

Whether you're preparing for interviews, certifications, or real-world projects, these practical labs will help you gain confidence with Kubernetes.

🎥 Watch the complete playlist:
https://youtube.com/playlist?list=PL4y5PiOmBnA8-pXEE3Xwz28_QF-geOurS&si=DOU4wWprxOnPbXDO

If you find the playlist helpful, please Like, Share, and Follow my page. Your support motivates me to create more free DevOps, Kubernetes, and Linux tutorials.

#Kubernetes #Kubeadm #DevOps #Linux #CloudComputing #Docker #Containerd #TechOpsTutorials #AWS #CKA
YouTube
Kubernetes Real-World Labs (kubeadm)
Build and manage production-ready Kubernetes clusters with kubeadm! 🏭 Learn how real DevOps teams set up, scale, secure, and maintain Kubernetes clusters in ...
43 views
SysAdminXpert.com
https://youtu.be/DNJsp6OAppc?si=uiD8FWdS7Po4JGYI
YouTube
GitOps Explained for Beginners: Argo CD & Configuration Drift (Ep 1)
Confused about GitOps, Argo CD, and Configuration Drift? This episode breaks it all down from scratch — no prior GitOps experience needed.

In this video, you'll learn:
✅ Problems with traditional push-based Kubernetes deployments
✅ What GitOps is and why…
40 views
SysAdminXpert.com
https://youtu.be/a-mq-mRQKeA?si=ZpRL3YaRKfDj5lgs
YouTube
Structuring a Git Repository for GitOps | GitOps & Argo CD Tutorial – Episode 2
In this episode of our GitOps & Argo CD Tutorial Series, we cover how to structure a Git repository for GitOps — one of the most important steps before deploying applications to Kubernetes with Argo CD.

You'll learn:
✅ Why repository structure matters in…
37 views
SysAdminXpert.com
https://youtu.be/-YzfhBpK3Nc?si=MpQDabXoV17kK5Y0
YouTube
16. Kubernetes Networking Explained: Pods, Services & DNS
Dive into Kubernetes networking in this beginner-friendly tutorial that covers everything from Pod communication to Services, DNS, and real-world examples. Learn how traffic flows inside a cluster and how Services, CNI plugins, and DNS-based discovery work…
43 views
SysAdminXpert.com
https://youtu.be/8Umn4ZEiiao?si=DaAtztxvWqjVttK6
YouTube
Install Argo CD with Helm | Web UI, CLI & Architecture Explained (GitOps Tutorial)
In this episode of our GitOps with Argo CD series, we install Argo CD using Helm and explore its architecture, Web UI, and CLI.

You'll learn:
✅ Argo CD architecture & core components (API Server, Repo Server, Application Controller, Redis, Dex, ApplicationSet…
44 views
SysAdminXpert.com
https://youtu.be/fO7VWQHTU2Q?si=b9DSwP-m16rj9R5_
YouTube
Argo CD Application Explained | Deploy Your First App with GitOps (Sync vs Health Status)
In this episode of the GitOps with Argo CD series, we deploy our first application using Argo CD and break down exactly how the Argo CD Application object works.

You'll learn:
✅ What an Argo CD Application is (and the Application CRD)
✅ Source vs Destination…
33 views
SysAdminXpert.com
https://youtu.be/GLay2GCwVVY?si=uXfo0P4yp9ng5Pmw
YouTube
Argo CD Auto Sync, Self-Healing & Rollbacks Explained (Ep 5)
In this episode, we go beyond manual sync in Argo CD and explore true GitOps automation.

You'll learn:
✅ How Argo CD Auto Sync automatically deploys changes from Git
✅ How Self-Healing detects and corrects configuration drift caused by manual kubectl changes…
18 views