Yoshik K ✓

[text] 25 Linux commands every DevOps engineer should know, and when you actually use them: 1. top / htop: see what's eating CPU and memory right now 2. ps aux: list every running process with ownership 3. lsof -i: see which process owns which port 4. ss -tulnp: active connections

[video] > study kubernetes all week > learn pods > learn services > learn ingress > practice kubectl commands > feel ready for devops interview > join interview > confident > interviewer: "difference between udp and tcp?" > interviewer: "how dns works?" > interviewer: "what happens when

[text] As a DevOps engineer in 2026, learn these 11 skills to stay relevant in this job market: 1. Linux Fundamentals - processes, systemd, permissions, networking basics 2. Networking - DNS, TCP/IP, HTTP/HTTPS, load balancers, TLS 3. Cloud Basics - AWS/Azure/GCP core services, IAM,

[text] 10 infrastructure patterns you should know to design scalable systems: 1. Load Balancing Distributes incoming traffic across multiple servers so no single machine gets overwhelmed. 2. Database Replication Copies your database to multiple servers so reads can be distributed and

[text] 12 Terraform patterns you should understand for DevOps interviews: 1. Remote State with Locking - Explain how S3 + DynamoDB prevent state corruption in team environments 2. Module Design Principles - Show you understand input variables, outputs, and versioning strategies 3.

[image] DevOps Engineer job posting: CI/CD pipelines, Docker, Kubernetes, AWS, monitoring, automation DevOps Engineer interview: - "Write a function to detect if a linked list has a cycle" - "What's the time complexity of merge sort" - "Explain how a trie works"

[text] 10 Linux Commands Every DevOps Engineer Must Master for Troubleshooting 1. top/htop - Shows you which processes are eating your CPU and memory right now, updated live every few seconds so you can catch resource hogs 2. df -h - Displays disk space usage in human-readable format

[text] 15 DevOps projects you should have on your GitHub (real-world, not toy projects) 1. 3-tier web app stack: Nginx + Python/FastAPI + PostgreSQL with Docker Compose 2. HA load balancer setup: HAProxy + Keepalived (VIP failover) on 2 nodes 3. Redis caching layer: API + Redis +

[video] How mfs start behaving after learning Kubernetes

[text] Linux - OS (free) Docker - containers (free) Kubernetes - orchestration (free) AWS - infra (pay as you go) Terraform - infra as code (free) GitHub Actions - CI/CD (free tier) Nginx - reverse proxy (free) Cloudflare - DNS + CDN (free) Prometheus - metrics (free) Grafana -

[text] 5 Kubernetes security mistakes junior DevOps engineers make: 1. Running containers as root user Your container runs with full admin privileges, so if someone hacks it, they own everything. Solution: Add 'runAsNonRoot: true' in your pod spec. 2. Not limiting what pods can access

[text] 21 lessons I learnt after 3 years in tech (for new engineers): 1. nobody cares how clever your code is. they care if it works. 2. shipping beats debating. 3. logs > opinions. 4. if you can’t explain it simply, you don't understand it. 5. most outages are config, not code. 6.