Network – Page 3 – ITFROMZERO

CoreDNS on Linux: Replacing Bind9 for Smoother Microservices Operations

By admin August 14, 2026

CoreDNS is the perfect alternative to Bind9 in the Microservices era. Learn how to install, configure Corefile, and optimize plugins for production systems.

Network

Setting Up a Zero Trust VPN with Pritunl: A Pro Network Management Solution for Businesses

By admin August 14, 2026

Forget the hassle of manual .ovpn file management. This guide helps you build a Zero Trust VPN system with Pritunl, supporting MFA and WireGuard in just a few simple steps.

Network

Termshark: Wireshark-style Packet Analysis Directly on the Linux Terminal

By admin August 13, 2026

Forget about downloading pcap files. With Termshark, you can analyze packets with a Wireshark-like interface directly on your Linux Terminal via SSH.

Network

zrok Tutorial: The Ngrok Alternative to Publicly Share Localhost Fast and Securely

By admin August 11, 2026

Forget Ngrok! A detailed guide on using zrok on Linux to securely share localhost with the Internet for free and without limits.

Network

Goodbye Bind9: A Guide to Installing PowerDNS and PowerDNS-Admin for Web UI Management

By admin August 10, 2026

Upgrade your DNS management with PowerDNS and PowerDNS-Admin. A detailed guide on installing and configuring MariaDB and Docker to replace traditional Bind9.

Network

Configuring Multi-WAN Failover on Linux: A “Never-Down” Internet Solution with Keepalived

By admin July 24, 2026

Don't let internet outages disrupt your business. Learn how to configure Multi-WAN Failover on Linux for automatic ISP switching in seconds.

Network

ethtool Linux: Check NIC Status, Configure Speed, and Optimize Network Interface Performance from the Command Line

By admin July 20, 2026

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.

Network

Deploying Network Access Control with PacketFence: Controlling Internal Network Device Access with Security Policies

By admin July 20, 2026

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.

Network

Goodbye Excel: How to Install phpIPAM for Professional IP Infrastructure Management

By admin July 17, 2026

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.

Network

Mastering Your Local Network with NetAlertX: Say Goodbye to Wi-Fi ‘Leechers’ and IP Conflicts

By admin July 17, 2026

NetAlertX is a powerful LAN monitoring tool that helps detect unknown devices and sends instant Telegram alerts. Check out this detailed Docker setup guide.