Server Administration
Embed This Widget
Add the script tag and a data attribute to embed this widget.
Embed via iframe for maximum compatibility.
<iframe src="https://ipfyi.com/iframe/entity//" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://ipfyi.com/entity//Add a dynamic SVG badge to your README or docs.
[](https://ipfyi.com/entity//)Use the native HTML custom element.
Network configuration for server administrators. Firewall rules, SSH hardening, reverse proxies, load balancing, and monitoring.
SSH Hardening Guide
Secure your SSH server with key-based auth, configuration hardening, and brute-force protection.
6 phút đọciptables Basics
Configure Linux firewall rules with iptables: chains, tables, rules, and common configurations.
6 phút đọcReverse Proxy Setup
Set up Nginx as a reverse proxy for load balancing, SSL termination, and multiple applications.
5 phút đọcfail2ban & Rate Limiting for Servers
Protect your server from brute-force attacks and abuse using fail2ban for automatic IP banning and rate limiting strategies.
10 phút đọcMonitoring Network Traffic on Linux Servers
Tools and techniques for monitoring network traffic, identifying bandwidth consumers, and detecting anomalies on Linux servers.
10 phút đọcLoad Balancing Fundamentals
Understand load balancing algorithms, Layer 4 vs Layer 7 balancing, health checks, and how to set up HAProxy and Nginx as load balancers.
11 phút đọcNginx Configuration for Web Servers
Master Nginx configuration for web servers. Learn about server blocks, reverse proxying, SSL termination, caching, and performance tuning.
10 phút đọcHAProxy Load Balancing Configuration
Configure HAProxy for production load balancing with health checks, SSL termination, rate limiting, and sticky sessions.
10 phút đọcDocker Networking: Bridge, Host, and Overlay
Understand Docker networking modes, container communication, port mapping, custom bridge networks, and multi-host overlay networking with Docker Swarm.
9 phút đọcKubernetes Networking Fundamentals
Understand Kubernetes networking model, pod-to-pod communication, Services, Ingress controllers, and network policies for cluster security.
11 phút đọcSetting Up a DNS Server (BIND/Unbound)
Deploy and configure authoritative and recursive DNS servers using BIND and Unbound. Cover zones, records, forwarding, DNSSEC, and caching.
10 phút đọcLog Aggregation with ELK Stack
Set up centralized log aggregation with Elasticsearch, Logstash, and Kibana. Collect logs from multiple servers and create searchable dashboards.
10 phút đọcServer Hardening Checklist for Linux
Harden Linux servers against common attack vectors. Cover SSH security, firewall rules, automatic updates, user management, and audit logging.
9 phút đọcSSL Certificate Automation with Let's Encrypt
Automate SSL/TLS certificate issuance and renewal using Let's Encrypt, Certbot, and ACME. Cover HTTP and DNS challenges, wildcard certificates, and monitoring.
8 phút đọcCDN Configuration and Origin Shield Setup
Configure a CDN for performance and reliability. Understand edge caching, cache-control headers, origin shield, purging, and Cloudflare/AWS CloudFront setup.
9 phút đọc