SonarQube: Quality Gates & CI Integration

Installation, quality profiles, quality gates, scanner configuration for multiple languages, and wiring SonarQube into a CI/CD pipeline.

AWS for DevOps: IAM, EC2, VPC, S3 & Deployment Patterns

IAM, EC2, S3, Route53, CloudFront, ACM, RDS, CloudWatch, VPC, ALB, and Security Groups — with real deployment architectures and interview questions.

Docker in Production: Images, Volumes, Networks & Compose

Containers, images, volumes, networks, Dockerfiles, Compose stacks, private registries, and the troubleshooting playbook for production containers.

Cloudflare: DNS, SSL, Caching, WAF & Tunnels

DNS management, SSL/TLS modes, caching rules, firewall, WAF, rate limiting, page rules, origin certificates, and Cloudflare Tunnel.

Git Mastery: Branching, Rebasing & GitHub Workflows

Git internals, branching, merging, rebasing, cherry-picking, stashing, resetting, reverting, tagging, Git Flow, and resolving merge conflicts for real.

Linux Administration: The Complete Field Guide

Filesystem hierarchy, permissions, users & groups, systemd, journald, cron, networking, SSH hardening, disk management, LVM, and RHCSA exam tips.

cPanel & WHM: Accounts, Email, DNS & Troubleshooting

Account management, email configuration, backups, SSL, DNS zones, PHP versions, and MySQL administration through cPanel/WHM.