Showing items from Technology

How to Convert a Proxmox Windows Guest from BIOS to UEFI

Henrique Goncalves
Date : February 15, 2023
Categories : Technology
Tags : Virtualization ,Windows ,Passthrough ,Gpu ,Uefi ,Proxmox

Upgrade your Proxmox guest to Windows 11 or use GPU passthrough with UEFI. Follow this guide to convert from BIOS to UEFI.

Preventing Redis Clients Connection Errors with Prometheus

Henrique Goncalves
Date : March 19, 2021
Categories : Technology
Tags : Observability ,Alerting ,Redis ,Prometheus

A Prometheus rule to alert when Redis clients reach 80% of available connections.

SystemD Timers vs Code Loops

Henrique Goncalves
Date : March 16, 2021
Categories : Technology
Tags : Timers ,Code ,Systemd ,Linux ,Timerfd ,Resource accounting

Comparing SystemD Timers vs code loops effectiveness in computation and energy consumption on Linux, including the use of timerfd and resource accounting

Fun with Shells

Henrique Goncalves
Date : November 13, 2019
Categories : Technology
Tags : Hacking 101 ,Security ,Linux ,Shell ,Bash ,Ceh

Eliminating tracks and playing with sockets

Kitten Exfiltration

Henrique Goncalves
Date : November 9, 2019
Categories : Technology
Tags : Exfiltration ,Security ,Hacking 101

Cats are cute, netcats are dangerous