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Apresentando a Categoria: Debian

MacBook ’07 + Linux: Old Dog Learns New Tricks

13 de Junho, 2020

I was looking for a cheap machine to run backups and weird experimental stuff and then I remember I had an old MacBook 3,1 from 2007 (Core 2 Duo 2.2 Ghz) in a shelve. In this post I’ll dig deep into useful tricks for anyone looking to use this laptop (or similar) as cli-only Debian server for fun and profit.

NanoPi M4 / RK3399: Network Issues

4 de Fevereiro, 2019

So you got an amazing ARM SBC with the RK3399 CPU (NanoPi M4 / RockPro64 / Rock Pi 4B), so much power into such small form factor. Now you are trying Apache or other network intensive tasks and your network seems to crash randomly after a while or whenever it is under load? Learn what the cause of this common and how to fix it.

Armbian: Enable AppArmor

30 de Janeiro, 2019

AppArmor allows you to restrict programs’ capabilities with per-program profiles. Profiles can allow capabilities like network access, raw socket access, and the permission to read, write, or execute files on matching paths. Learn how you can enable it in Armbian for a safer SBC.

Raspberry Pi 3: Desativar Wi-Fi e Bluetooth

26 de Agosto, 2016

O Wi-Fi e Bluetooth integrados do Raspberry Pi 3 podem ser muito úteis para a grande maioria dos utilizadores, no entanto, existem sempre aqueles que pretendem usar a placa ligada por cabo a um router e não precisam dessas funcionalidades. Hoje explico como desativa-las a nível do kernel para poupar energia e aumentar a segurança.

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