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Technical articles, tutorials, and insights on networking, IoT, system administration, and infrastructure

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4 articles found

NetworkingLinuxDevOpsSecurity

How to Set Up a Reverse Proxy with Nginx for Self-Hosted Apps

Step-by-step guide to configuring Nginx as a reverse proxy for self-hosted applications like Grafana, Portainer, and Nextcloud — with SSL, load balancing, and security hardening.

March 7, 20268 min read
NetworkingSecurityLinuxDevOps

SSH Tunneling & Port Forwarding: The Complete Guide

Master SSH tunneling with practical examples — local port forwarding, remote port forwarding, dynamic SOCKS proxy, and jump hosts. Access any service securely without a VPN.

March 7, 20268 min read
CybersecurityLinuxSystem AdministrationSecurity

Linux Server Hardening Checklist 2026: A Complete Security Guide

A practical, step-by-step Linux server hardening guide covering SSH lockdown, firewall rules, kernel tuning, audit logging, automatic patching, and CIS benchmark alignment for Ubuntu and RHEL.

February 26, 20267 min read
SNMPNetworkingSecurityNMSOpen Source

SNMPv3 Secure Configuration and Testing with Open-Source Tools

A complete guide to configuring SNMPv3 with authentication and encryption — on network devices, Linux servers, and testing with open-source tools like Net-SNMP, Zabbix, and LibreNMS.

February 19, 20267 min read