Category: OperatingSystems / OS

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 […]

Monolithic Hybrid Micro Nano Kernel OS and examples
13.02.2021

Why Hybrid? “Most hybrid kernels start as monolithic kernels and begin moving components into user land, primarily as security to support 3rd-party components and drivers which may be malicious or buggy. An example of a hybrid kernel design may keep […]

CNBC documentary about Open Source
01.01.2020

what do you think about the CNBC documentary? 2012: Aalto Talk with Linus Torvalds: 1,5 Million Views! contains the famous “Fuck You NVIDIA” https://www.youtube.com/watch?v=MShbP3OpASA Linus Torvalds writes software since his early childhood ages and just loves programming. Without this love […]

building a riscv pc – riscv fedora emulator in javascript in browser
08.10.2019

RISC-V SoCs: https://riscv.org/exchange/ 2018-04: RISC-V CPUs not affected by spectre & meltdown “No announced RISC-V silicon is susceptible, and the popular open-source RISC-V Rocket processor is unaffected as it does not perform memory accesses speculatively.” (2018-01-05 src) “If you’re selling […]

Cinnamon Desktop (Gnome3 fork) vs MATE Desktop (Gnome2) a review
06.08.2019

Cinnamon desktop developed by Developer(s) Linux Mint team! – is a beautiful desktop (default on Linux Mint) alternative to Gnome2 MATE. BUT: still prefer Gnome2 MATE (at least on GNU Debian Linux) because it is: minimalistic / very resource efficient […]

24.07.2019

“Linux desktop remains an unpopular choice among mainstream desktop users, making up a little more than 2% of the desktop operating system market share. This is in contrast to the web server market share, which consists of 70% of Linux-based operating systems. […]

ntpd – when fundamentals fail
06.07.2019

servers/clients/computers/programs/services/webservers need accurate time… they usually get it from time servers that have an atomic clock attached to their USB port. (just guessing) ping time.google.com PING time.google.com (216.239.35.4) 56(84) bytes of data. 64 bytes from time2.google.com (216.239.35.4): icmp_seq=1 ttl=46 time=43.5 […]

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. […]

Yum cheat sheed – the future of Yum is Dnf
24.05.2017

update: 2021-1 yum -> dnf hostnamectl; # tested on Virtualization: kvm Operating System: CentOS Linux 8 CPE OS Name: cpe:/o:centos:centos:8 Kernel: Linux 5.4.11 Architecture: x86-64 ll /usr/bin/yum -> dnf-3 all those yum commands still work with dnf (nice work!) DNF […]

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 […]

14.10.2014

vim /etc/lightdm/lightdm.conf [SeatDefaults] #xserver-command=X #xserver-layout= #xserver-config= xserver-allow-tcp=false #xdmcp-manager= #xdmcp-port=177 #xdmcp-key= greeter-session=lightdm-greeter greeter-hide-users=true #greeter-allow-guest=true #greeter-show-manual-login=false #login with LXDE as default (default xSession) user-session=LXDE #allow-guest=true #guest-session=UNIMPLEMENTED session-wrapper=/etc/X11/Xsession #display-setup-script= #greeter-setup-script= #session-setup-script= #session-cleanup-script= #autologin-guest=false ###################### > CHANGE THIS LINE TO THE USER THAT SHOULD […]