ডোমেইন থেকে Cloud পর্যন্ত — Internet, Linux, VPS, Docker, AWS, CI/CD, Kubernetes — সম্পূর্ণ বাংলায় ৪০টি টপিক।
IP, DNS, HTTP request lifecycle
Registrar, subdomain, transfer, .com.bd
Proxy, DDoS, firewall, page rules, free SSL
Lets Encrypt, certbot, handshake, mixed content
TCP/UDP, ports, UFW, NAT, debug commands
Ubuntu, filesystem, WSL, VPS choice
Navigation, file ops, search, disk usage
Editor, text manipulation, log analysis
useradd, sudo, chmod, SSH key, hardening
apt, ps/htop, systemctl, journalctl, custom service, cron
ip, ss, dig, curl, tcpdump, /etc/hosts
Variables, conditionals, loops, real production scripts
cPanel, FTP, hosting limitation
WordPress, PHP app, MySQL, .htaccess, SSL
VPS vs Shared vs Dedicated, provider comparison
New user, SSH key, port change, UFW, Fail2ban
Install, server block, reverse proxy, gzip, rate limit
Install, VirtualHost, .htaccess, mod_rewrite
PHP-FPM, nvm, pyenv, app server
Install, secure, user, backup, tuning
DNS A record, certbot, multiple domain
Git pull, Laravel, PM2, Gunicorn, .env, zero downtime
htop, log rotation, uptime monitor, alert, backup
Container vs VM, architecture, basic commands
Syntax, multi-stage, optimization, registry
docker-compose.yml, services, network, volume
Nginx proxy, Traefik, rolling update, healthcheck
Volume types, network isolation, non-root, scanning
IaaS/PaaS/SaaS, region/AZ, IAM, free tier
Instance type, AMI, security group, EBS, ASG
Bucket, policy, CloudFront, lifecycle, signed URL
RDS, Multi-AZ, read replica, Aurora, DynamoDB
PaaS options, container deploy, comparison
Function, trigger, cold start, SAM, framework
VM, App Service, SQL, Blob, AAD, .NET
Compute Engine, Cloud Run, Firebase, GKE, BigQuery
Workflow, build, test, deploy, secrets, notification
K8s basics, Prometheus/Grafana, ELK, SLA, DR, final checklist