Category: hardware fail

LibreBoot – (how to mount luks2 encrypted volume) LVM encrypted volumes needs correct CMOS clock time – Volume Group not found – failed to read int token error parsing metadata

to recover the data: how to mount luks2 encrypted volume possibility: remove harddisk, attach to sata2usb adapter, then mount on different machine like this: # unlock encrypted harddisk udisksctl unlock -b /dev/sdb5 udisksctl mount -b /dev/mapper/ubuntu–vg-root Mounted /dev/dm-1 at /media/dpm/e8cf82c0-f0a3-41b3-ab28-1f9d23fcfa72 […]

another reason NOT to use wireless keyboards

“In the popular series of wireless keyboards Fujitsu LX390 found two dangerous vulnerabilities. According to researchers from the company SySS, exploitation of vulnerabilities allows nearby attackers to “spy” passwords entered on the keyboard, or even to seize control of the […]

retro computing: win95 win98 as virtualbox vm running on linux host

tested on: Operating System: CentOS Linux 7 (Core) CPE OS Name: cpe:/o:centos:centos:7 Kernel: Linux 4.15.9 Architecture: x86-64 # using vboxmanage –version 5.2.6r120293 ah lovely isn’t it? BSOD Win98 style… errors were NOT the exception, they were THE NORM (and still […]

backdoors in hardware – Intel Anti Theft Brick Code

While “backdoors” in hardware sound like a good idea… you don’t know how hackers are using it to sabotage infrastructure or extort bitcoins of another country’s companies… see “backdoor in cisco router“. IT IS F**** DANGEROUS! ESPECIALLY if it is […]

Spectre and Meltdown – Linus Torvalds infuriated by Intel insanity – Open CPU and rise of RISC? RISCV – hifive1

Update: 2020.03 “The newly developed Rowhammer- attack TRRespass can crack the RAM-a security mechanism by many DDR4-DRAM-modules as well as LPDDR4 Chips. Until now, these were considered to be almost immune to Rowhammer attacks.” Update: 2019.10 Zombieload is back. […]

gnu linux smart s.m.a.r.t harddisk faillure surveillance

might be also interesting: and: harddisks… are blackboxes of data – if something fails… you do not repair – you replace. 65% of all harddisk failurs can be announced with smart. wohoo! so don’t rely on it 😀 […]

The Unix philosophy – simple and beautiful

src: The Unix philosophy emphasizes building simple, short, clear, modular, and extensible code that can be easily maintained and repurposed by developers other than its creators. The Unix philosophy favors composability as opposed to monolithic design. Later summarized by […]


Update: 2019.01: Redhat CPU fixes overview: Is CPU microcode available to address CVE-2017-5715 via the microcode_ctl package? Update: update: from FSF: Dana Morgenstein: If there is an event at your university or in your community addressing the Intel chip […]

Want to disable Intel Management Engine

It is actually a scandal that the world depends on chips and operating systems – that are designed to do mass-surveillance – it seems – in order to build up a world-wide-dictatorship that no-one can escape… by information and money. […]


screw AVM, screw Realtek, what one wants is should work out of the box with recent Linux kernels on Open Source drivers only: Recommended tested Hardware – Superb Wifi WLAN Adapter Chipset Atheros AR9285 Mini PCIE for GNU Linux Debian […]


“Bei Lithium-Ionen-Akkumulatoren führt eine Tiefentladung auf unter 2,4 V zu irreversibler Schädigung und zu Kapazitätsverlust. Sinkt die Spannung einer Zelle auf unter 1,5 V, sollte sie nicht mehr verwendet werden. Es ist sehr wahrscheinlich, dass sich Kupferbrücken ausgebildet haben, welche dann zu […]