Ever wondered how device drivers are reverse engineered? We’ll show you with a simple yet complete example

This document describes a method of reading and displaying previously used framebuffers from a variety of popular graphics cards. In all 4 tested laptops the content of the VRAM was not erased upon reboot. It is also possible to show that the content of the host VRAM can be accessed from a VirtualBox guest, thereby leaking possibly confidential information from a trusted host into an untrusted guest machine.

iptables rules to do nat network

In order to measure the doppler effect for motion detection on a conventional computer, what you can do is send out a sinusoid at some known (inaudible) frequency, say, 20 kHz. If something is moving in the room, then, after the sinusoid has bounced around on the walls and into the microphone, the sound will shift in frequency. This can be measured by looking at the frequency spectrum in the nearby region of the 20 kHz tone.

A series of posts about the linux kernel.

“Rowhammer” is a problem with some recent DRAM devices in which repeatedly accessing a row of memory can cause bit flips in adjacent rows.

The Open Game Engine Exchange (OpenGEX) format is a text-based file format designed to facilitate the transfer of complex scene data between applications such as modeling tools and game engines. The OpenGEX format is built upon the data structure concepts defined by the Open Data Description Language (OpenDDL), a generic language for the storage of arbitrary data in human-readable format.

List of all register on a x86_X64 cpu

How do I start/stop or enable/disable services with systemd?
Activates a service immediately:

systemctl start foo

Deactivates a service immediately:

systemctl stop foo

Restarts a service:

systemctl restart foo

Shows status of a service including whether it is running or not:

systemctl status foo

Enables a service to be started on bootup:

systemctl enable foo

Disables a service to not start during bootup:

systemctl disable foo

Prevent a service from starting dynamically or even manually unless unmasked:

systemctl mask foo

Check whether a service is already enabled or not:

systemctl is-enabled foo

A list of video to program in js.

Desktop application running on docker