Category: fix errors

What is Right – What is Wrong – with great powers comes great responsibility (aka the “Peter-Parker-principle” (Spiderman 2002)) – Big Tech with better and betters Tools and without better Ethics Morals unkowing what is Right or Wrong
17.07.2021

in short: humans per default, without an education might just be “better” apes. Some parts of mankind behave very primitive and clearly show no signs of higher intelligence or education. The troubles start, when the tools become more and more […]

phpBB – Profile Avatar Picture 6KBytes size limit
17.02.2021

… because one also cares about beauty… a default avatar picture is not an option… but phpBB has a very strict 6KBytes max file size limit for Profile Avatar Pictures…  which is almost impossible to reach with format.jpg or format.png […]

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
03.12.2020

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 […]

Fedora CentOS RedHat – adding new fonts to the system for LibreOffice to use
15.12.2019

Adding new fonts for all users To install fonts for all users for example the boring company font: https://www.futurafree.com/wp-content/uploads/2017/04/futura-bold.zip one need to login as root and create a directory under /usr/share/fonts/ # tested on hostnamectl Static hostname: centos.localdomain Chassis: laptop […]

can you trust PDF attachments/files in 2019?
06.07.2019

Pwn2Own 2020: opening a pdf can be enough to compromise system! https://youtu.be/u1udr7j9MQA?t=359 thank you ccc you are doing a lovely work – make this planet more interesting by creativity and more informed about security 🙂 keep it up 🙂 https://cdn.media.ccc.de/events/gpn/gpn19/h264-hd/gpn19-45-eng-BADPDF_-_Stealing_Windows_Credentials_via_PDF_Files_hd.mp4 […]

cost of cybercrime and lawful backdoors
09.03.2019

“The cost to companies from malware and “malicious insider”-related cyberattacks jumped +12 percent in 2018 and accounted for one-third of all cyberattack costs, according to new research published today by Accenture and the Ponemon Institute.” src: helpnetsecurity.com logical consequence: stop […]

Spectre and Meltdown – Linus Torvalds infuriated by Intel insanity – Open CPU and rise of RISC? RISCV – hifive1
09.05.2018

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.” https://www.com-magazin.de/news/sicherheit/software-hammer-ram-schutz-attackiert-2515621.html Update: 2019.10 Zombieload is back. […]

GNU Linux systemd – startup process and service management – list enabled on boot services – list running services – show service resource usage
02.05.2017

while test running debian linux journald uses almost 100% cpu… “The daemon will implicitly collect numerous metadata fields for each log messages in a secure and unfakeable way. See systemd.journal-fields(7) for more information about the collected metadata.” https://www.freedesktop.org/software/systemd/man/systemd-journald.service.html systemd: Using […]

The Unix philosophy – simple and beautiful (so it “just works”)
02.05.2017

src: https://homepage.cs.uri.edu/~thenry/resources/unix_art/ch01s07.html 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 […]

Want to disable Intel Management Engine
16.01.2017

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. […]