Posted inNetwork
zrok Tutorial: The Ngrok Alternative to Publicly Share Localhost Fast and Securely
Forget Ngrok! A detailed guide on using zrok on Linux to securely share localhost with the Internet for free and without limits.
Posted inNetwork
Goodbye Bind9: A Guide to Installing PowerDNS and PowerDNS-Admin for Web UI Management
Upgrade your DNS management with PowerDNS and PowerDNS-Admin. A detailed guide on installing and configuring MariaDB and Docker to replace traditional Bind9.
Posted inNetwork
Configuring Multi-WAN Failover on Linux: A “Never-Down” Internet Solution with Keepalived
Don't let internet outages disrupt your business. Learn how to configure Multi-WAN Failover on Linux for automatic ISP switching in seconds.
Posted inNetwork
ethtool Linux: Check NIC Status, Configure Speed, and Optimize Network Interface Performance from the Command Line
ethtool is the Linux command that shows you everything about your NIC that ip link can't — from actual speed/duplex and error counters to ring buffer and offloading. Includes a full-server NIC health check script and how to persist settings across reboots.
Posted inNetwork
Deploying Network Access Control with PacketFence: Controlling Internal Network Device Access with Security Policies
A practical guide to deploying PacketFence for internal network access control: installation, 802.1X configuration with Cisco switches, Active Directory integration, monitoring, and handling IoT devices that don't support authentication. Real-world experience from a 50-person office environment.
Posted inNetwork
Goodbye Excel: How to Install phpIPAM for Professional IP Infrastructure Management
It's time to ditch error-prone Excel files for IP management. This guide shows how to install phpIPAM on Ubuntu to manage subnets, VLANs, and automate IP scanning.
Posted inNetwork
Mastering Your Local Network with NetAlertX: Say Goodbye to Wi-Fi ‘Leechers’ and IP Conflicts
NetAlertX is a powerful LAN monitoring tool that helps detect unknown devices and sends instant Telegram alerts. Check out this detailed Docker setup guide.
Posted inNetwork
Transparent Linux Bridge Firewall with nftables: Network Control Without Changing IPs or Topology
A transparent firewall using Linux bridge and nftables lets you control all network traffic without changing IP addresses or the existing topology. The ideal solution when you need to add security to a production system without causing downtime or reconfiguring any running servers.
Posted inNetwork
Configuring Transparent Proxy with TPROXY on Linux: Redirecting All TCP/UDP Without Per-Client Configuration
TPROXY is a Linux kernel mechanism that intercepts and redirects all TCP/UDP traffic before clients can react — smart TVs, IP cameras, and IoT devices are intercepted without knowing it. From a 5-minute quick start to production-ready setup with nftables, SSL bump, and a practical debug checklist.
Posted inNetwork
Cloudflare WARP on Linux Server: The ‘Lifesaver’ Solution for Network Performance and IP Security
Don't let your server get IP-blocked or throttled on international routes. This guide covers installing Cloudflare WARP on Linux with Proxy Mode to secure and optimize your connection — surprisingly simple to set up.