March 7, 2020

07.03.2020 - link drop

Philippe Laulheret - Intro to Hardware Hacking - DEF CON 27 Conference - YouTube

September 1, 2019

01.09.2019 - link drop

Now You See It… - TOCTOU Attacks Against BootGuard Ich denkender Körper | Telepolis Breaking Through Another Side: Bypassing Firmware Security Boundaries

June 25, 2019

25.06.2019 - link drop

Nation-sponsored hackers likely carried out hostile takeover of rival group’s servers | Ars Technica Semiconductor Engineering .

July 5, 2012

KVM and I/O problems

KVM and Postgresql Problem: Slow I/O - with Software Raid 1 and LVM2. So we had some trouble with a Software Raid 1 and our KVM Virtual Machines, the writing and reading speed was just bad. But this was only  for paralle wirte/read requests. So doing single test like dd or even bonnie didn't show the problem.