21 articles
GUI packet analysis — display filters, TCP streams, statistics.
A complete guide to systemd — service management, unit files, dependencies and troubleshooting.
Types of DDoS attacks, mitigation, CDN, rate limiting, Cloudflare.
Round Robin, Least Connections, Consistent Hashing a konfigurace v Nginx.
Free HTTPS via Let's Encrypt and Certbot.
Nginx — performance and flexibility. Caddy — automatic HTTPS.
Difference between L4 and L7, algorithms, and when to use which.
SSRF attacks — how an attacker exploits a server to access internal services.
A practical guide to securing your home network — router, DNS, VPN, segmentation.
A practical guide to SSH tunnels — local, remote, dynamic, jump host.
Network management — ip, ss, iptables commands, routing and diagnostics.
A practical guide to journalctl — filtering, service monitoring and log rotation.
Linux command line from the basics — navigation, files, processes, networking, scripting.
Packet capturing, filtering and saving for Wireshark.
Windows vs Linux for developers — when to switch, when to stay, WSL as a compromise.
BIND for traditional deployments, CoreDNS for Kubernetes.
Dual-stack, addressing, configuration, and testing.
Comparing Apache and Nginx — architecture, performance, when to use which.
Nginx reverse proxy — load balancing, WebSocket, caching, rate limiting.
A complete guide to Nginx — installation, virtual hosts, SSL, performance.
CDN configuration for web applications. CloudFront, Cloudflare, cache headers.