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ISP / Redes

📌 1 de Dezembro, 2024

DD-WRT: VLAN Guide

VLANs are an important part of any advanced network and while DD-WRT is capable of such setups it isn’t as easy and obvious as it should be. In this article I explain, in simple terms and with examples, how you may setup VLANs on a R7000 or any other DD-WRT router.

📌 24 de Novembro, 2024

Netgear R7000: Block Diagram / Network Architecture

An useful and accurate network architecture diagram of a Netgear R7000 router running a modern version of DD-WRT. In order to design an accurate diagram I manually tested all physical and internal ports of the router.

📌 23 de Novembro, 2024

Netgear R7000: DD-WRT Turn Off LEDs

Contrary to popular belief flashing LEDs in your router don’t make your Wi-Fi faster – truth be told, every electronic component dissipates heat witch may actually even make your system slower. Learn how to turn off all LEDs so your Netgear R7000 doesn’t look like a Christmas tree.

📌 27 de Outubro, 2024

Power over Ethernet – PoE

What is Power over Ethernet – PoE? What’s the difference between 802.3af and 802.3at (also known as PoE+)? All of the essential information about PoE modes, pinouts and voltages in a single article.

📌 27 de Outubro, 2024

RJ45 Cabling Tips: Colors, Categories and Types

When setting up a reliable network, understanding the Ethernet and related standards is essential. This post covers key topics such as T568A vs T568B, the Category Rating System, UTP vs STP cables and also some tips for installing network cables.

📌 27 de Outubro, 2024

Ethernet Wiring Diagrams

Category 5, Cat5, Cat5e, Cat6, wiring diagrams both for straight through cables, crossover cables, token ring cables in RJ45. As a bonus learn how to build a Ethernet Economizer / Splitter.

📌 4 de Julho, 2024

LXD / Incus: Enter Container As User

In most situations, you would be entering your containers as root, and that’s perfectly reasonable. After all, an unprivileged container ensures that the root inside it will only have root privileges within that container and nowhere else. Sometimes, however, it might be useful to enter a container with a specific user.

📌 30 de Junho, 2024

Replace Proxmox with Incus / LXD

This article goes through all the reasons why you might want to replace Proxmox with Incus / LXD and how it could save you from a lot of headaches down the line. While free Proxmox, much like VMWare ESXi was, is a potential disaster waiting to happen.

📌 9 de Abril, 2024

LXD / Incus: Bridged Networking

There are cases where we need LXD / Incus containers to have direct access to the network. In such cases, we want the containers to be assigned an IP address by a router on the network, treating them as individual devices on the network rather than containers inside a host machine that get to the network through NAT.

📌 27 de Março, 2024

nftables: Country Geo-blocking

For those of us running servers with nftables it was great news to discover that pvxe/nftables-geoip now has the ability to generate IP lists by country. This feature can be used to, for instance, drop all traffic from specific countries or, the opposite – allow traffic only from your own country.