Monthly Archives: June 2025

It’s well known that SapphireRapids-V4 supports user-mode interrupts (uintr). Although my host system with an Intel Linux kernel can enable uintr, QEMU filters out the uintr instruction set upon startup. What’s more, when I enforce qemu running with -cpu host,uintr=on, qemu issues an error with Property 'host-x86_64.uintr' not found. Is […]

About 6 weeks ago I setup a little server for my daughter and I to play minecraft. I had trouble initially getting it to connect to my xfinity router, but it eventually connected (disconnecting cables, restarting router or server). After that it was rock solid and we have put probably […]

I’m using curl at the command line on Linux to check if server return head/get method. curl -I http://www.example.org However, what should the command look like to display the domain name and the method returned by the server (head or get)? When I use curl -I and server does not […]

I recently bought a new laptop (Microsoft Surface Pro w/ Snapdragon(R) X 12-core X1E80100 @ 3.40 GHz 3.42 GHz – 64-bit operating system, ARM-based processor). I was hoping to setup a VM running Linux (Kali) to do some lab testing however after attempting to install VMWare Workstation (it failed), I […]

I have a Dell Latitude E5440. I got it in 2014, so the laptop is 11 years old. Today, the laptop won’t start up unless it is plugged in with the charger. If I disconnect the charger, then the laptop just turns off instantaneously (ie. whole system powers off in […]