There are various ways of updating the Ender 3 (Pro) firmware. One of the most common way uses Arduino Uno to load the firmware to Ender 3 (Pro). As I did not have an Arduino lying around, I searched for a way to do the same using something I had – Raspberry Pi. I have […]Read more "Ender 3 Pro – Firmware upgrade using Raspberry Pi"
A display brightness related issue made me try out the new Linux Kernel 5.8 the day it was released. I installed it successfully (my previous post covers that) but upon restart the system wasn’t letting me boot into Ubuntu.It was failing to boot up with the following error: error: vmlinuz-5.8.0-050800-generic has invalid signatureerror: you need […]Read more "Secure Boot – Signing Kernel Files in Ubuntu"
With the new linux kernel out, Linux Kernel 5.8 to be precise, I thought I would give it a try. I had read online that Kernel 5.7 could fix the brightness issue on HP Envy laptops so the release timing for 5.8 couldn’t have been any better. For Ubuntu, you should grab the kernel files […]Read more "Ubuntu 20.04 – Installing Linux Kernel 5.8"
Recently my widlcard SSL certificate from Let’s Encrypt expired and I renewed the certificates manually. This involved running certbot locally and completing the dns challenges which involves setting up TXT records in your DNS records. Though this isn’t a big task to be done every 3 months, I think it would be great to be […]Read more "Renewing LetsEncrypt wildcard SSL certificate with ACME-DNS"