Category: Fail

05.01.2019

is when one’s life depends on (especially when closed) source code that one has not written oneself.

backdoors in hardware – Intel Anti Theft Brick Code
16.12.2018

https://youtu.be/70Blz9hyAz8 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 […]

VideoÜbrewachung im Test INSTAR IN-9008HD IPCam – INSTAR IN-8015 Full HD Wifi nach Software Update stabil – Kamera Review Erfahrungen und DSGVO: Wie lange darf ich Überwachungskamer Bilder speichern?
16.11.2018

Gleich vorweg: Wer das Geld hat, gibt direkt 1.298,00 € (mit 3TB Festplatte) für ein System aus, welches Bilder 24-7 zwar Analog überträgt, dann aber ein laufend (ohne Unterbrechung) via einem “Receiver mit Festplatte” digitalisiert und auf Bewegung etc. analysiert und […]

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. […]

Monitoring Performance of Linux Servers
04.04.2018

monitor (andoird) devices with bpf: https://www.socallinuxexpo.org/sites/default/files/presentations/bcc-scale.pdf so guess “monitoring” is about two things: availability and performance: detect performance bottlenecks get informed if parts (harddisks) / servers have failed / are about to fail security: detect, report and (if possible) automatically […]

Bugs in Hardware – intel microcode updates
12.01.2018

Update: 2018.12: ForeShadow – guest reading Level1 Cache of host ForeShadow (known as L1 Terminal Fault (L1TF) by Intel)[1][2] is a vulnerability that affects modern microprocessors that was first discovered by two independent teams of researchers in January 2018, but […]

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. […]

21.09.2016

in General: NFS is pretty fast protocol for accessing files. It uses less overhead than SMB/CIFS and therefore acchieves greater performance. method1) rsyncing to a nfs-mounted qnap nas went with 20,7 MBytes/sec. method2) while directly ssh-rsyncing to qnap works only […]

Finding a WIFI Adapter for GNU Linux Debian (not easy) UPDATE
06.09.2016

ONLY BUY FROM HARDWARE VENDORS THAT SUPPORT FREE & OPEN SOURCE SOFTWARE! (release the sources for their drivers and documentation for their hardware) “Currently there are only a few modern wifi chipsets readily available that work with free software systems. […]

27.08.2016

Errno::ENOMEM at /tags/news seconds later it was back on line… https://diaspod.de/tags/news Cannot allocate memory – ps Ruby /home/diaspora/.rvm/gems/ruby-2.1.8@diaspora/gems/activesupport-4.2.7.1/lib/active_support/core_ext/kernel/agnostics.rb: in `, line 7 Web GET diaspod.de/tags/news Jump to: GET POST Cookies ENV Traceback (innermost first) /home/diaspora/.rvm/gems/ruby-2.1.8@diaspora/gems/activesupport-4.2.7.1/lib/active_support/core_ext/kernel/agnostics.rb: in ` super… /home/diaspora/.rvm/gems/ruby-2.1.8@diaspora/gems/activesupport-4.2.7.1/lib/active_support/core_ext/kernel/agnostics.rb: in […]

21.08.2015

i have a failing js script somewhere in the page… the CPU core goes up to 100% and stays there… its very (NOT!!!!) funny. did uncheck this “disable javascript” in firefox “iceweasel” 31.7.0…. and it does NUTHIN!!! noscript light also […]

01.07.2015

“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 […]