Headless boot HP z620

Just a quick note: the HP z620 supports booting without a graphics card, but it's hidden. Steps to enable: enter the BIOS -> replicated setup -> save to a FAT32 formatted USB boot some computer, attach the USB, edit the file: there's a "Headless Mode" section with two options, "Enabled" and "Disabled" and a silly … Continue reading Headless boot HP z620 →

Auditing VRAM: Ensuring Every Gigabyte is Real

Counterfeit storage devices, such as USB flash drives and SSDs with modified controller firmware that report false capacities, rely on address wrapping: writes beyond physical memory silently overwrite earlier blocks modulo the actual capacity. With increased interest in home AI labs, one could imagine similar practices to start appearing in the second-hand GPU market. While … Continue reading Auditing VRAM: Ensuring Every Gigabyte is Real →

Canon EOS M10 / M100 / M200 as web cams under Linux

Not an actual picture of the EOS M10/M100/M200 [Update 2026.01.03] additionally discusses the M200. Since telework became a reality for me, I have constantly tried to upgrade my audio and visual setup; not for the satisfaction of my own vanity but out of mercy for the people who have to stare at me or listen … Continue reading Canon EOS M10 / M100 / M200 as web cams under Linux →

Ubuntu 24.04 on the HP Victus

This is a short follow-up on Ubuntu 22.04 on the HP Victus [UVC] Hardware support is just as good/bad as with Ubuntu 22.04, so all findings from [UVC] apply here, too. The display manager is still X11, I have not tried Wayland. Video hardware acceleration with VLC and SMPlayer snap installations now works, but requires … Continue reading Ubuntu 24.04 on the HP Victus →

Ubuntu 22.04 on the HP Victus

New day, new gear. This post is about Ubuntu on the HP Victus 16-e0033nv and continues the long list of Ubuntu on laptops: Acer Nitro 5, HP ProBook, Asus VivoBook, Lenovo Thinkpad and probably others I'm forgetting about right now. The laptop comes with Windows 11 which I used mainly for a BIOS update. The … Continue reading Ubuntu 22.04 on the HP Victus →