linux

1. The fullscreen photo that froze a laptop It was Sunday morning, I had a fever, and my plans extended no further than tea and feeling sorry for myself; troubleshooting a GPU failure was not on the list. I opened a photo from Telegram Web in Brave and switched it to fullscreen. The display froze. After failed attempts to recover it, I forced the Framework Laptop to restart. A TTY later showed Vulkan selecting my AMD Radeon 780M, followed by two warnings about dynamic-buffer limits whose timestamp placed them more than ten minutes after the next boot began....

Two years ago more or less I started my journey in Linux. I was scared at first and I didn’t know where to start from. But then I decided to buy a book - and what a book! - in order to follow a path. Along the way, I integrated the material with up-to-date documentation from kernel.org and source code. In the meantime, I started to learn C a bit so that I also could have played with what I was learning, step by step....

Hello everyone, a long time has passed after the 5th part of this journey through STRIDE thread modeling in Kubernetes has been published. If you recall well, STRIDE is a model of threats for identifying security threats, by providing a mnemonic for security threats in six categories: Spoofing Tampering Repudiation Information disclosure Denial of service Elevation of privilege In this last chapter we’ll talk about elevation of privilege. Well, this category can be very wide, but let’s start thinking about what it can comprises and what we can do against this category of threats....