Category: General / Allgemein

GNU Linux ssh magic tricks – access devices without opening firewall port – reverse ssh proxy tunnel – open source admin’s vpn and teamviewer replacement (no open ports needed) – how to use ssh into a network behind router-firewall and forward port of any device to localhost
01.04.2024

scroll down to: “how to access user-dev-admin’s home network boxes from anywhere via reverse-ssh-tunnel! :D” ssh tunnel remote deviceD’s port access a device’s port that is only available via a specific machine 😀 or in other words: ssh-tunnel port of […]

GNU Linux howto fix mate-screenshot taking 100% CPU
15.03.2024

taking screenshots is important 😀 it is very useful and mate-screenshot is an easy to use screenshot tool that can be started by the simple press of the ancient otherwise useless “print” button (found on almost every keyboard) if mate-screenshot […]

GNU Linux howto ssh sshd config hardening security guide
10.03.2024

ssh can be regarded as “critical core infrastructure” time spend on it’s security is time well spend time + money well invested: https://www.openssh.com https://github.com/openssh current manpage: ssh.man.txt WARNING: this howto guide IS MOST LIKELY INCOMPLETE! WARNING! WHEN RUNNING THE SCRIPT: […]

GNU Linux – how to install  gpt4all on Debian 12 – GPT4All-J: An Apache-2 Licensed Assistant-Style Chatbot: A free-to-use, locally running, privacy-aware chatbot. No GPU or internet required – dialogue with a machine: AI: How to fix democracy? – THE NEW TOURING TEST:  Humor
16.12.2023

scientists predict human leven AI by 2047 so DON’T HOLD THE BREATH What is GPT4All-J?: An Apache-2 Licensed Assistant-Style Chatbot What is Mistral Orca? https://huggingface.co/ “The AI community building the future.” “The platform where the machine learning community collaborates on […]

PHP Composer how to install and how to usage
28.10.2023

always say something positive first: then the critique: follow the excellent guide: https://getcomposer.org/download/ mkdir /var/www/html/composer cd /var/www/html/composer php -r “copy(‘https://getcomposer.org/installer’, ‘composer-setup.php’);” php -r “if (hash_file(‘sha384’, ‘composer-setup.php’) === ‘THISWILLHAVECHANGEDBYNOW’) { echo ‘Installer verified’; } else { echo ‘Installer corrupt’; unlink(‘composer-setup.php’); } […]

the only true cross platform games: Games for browsers
07.10.2023

  https://doodlejumporiginal.com/ there is also the version for xbox kinect, where the user actually is steering the doodle with user’s body (cool, but that SHOULD also be possible with a smart phone’s front cam right?) game ideas: while doodle jump […]

GNU Linux (Debian) – how to – find the largest 30 duplicate files wasting disk space – multi line sorting madness (mlsm) – how to output x blocks of text separated by delimiter – build (Bill Poser’s and BSDs) msort from src
04.10.2023

This is actually VERY usefull to find files that waste disk space. lsb_release -a; # tested on Distributor ID: Debian Description: Debian GNU/Linux 12 (bookworm) the solution: czkawka_cli install rust like this (no need to install rust as root) install […]

Steve Jobs would puke about what Apple has become – iMac 2019 horror reinstall – why this user avoids Apple like the PLAGUE – how to fix – this copy OSX application is damaged and can’t be used to install macOS – Diese Version des Programms ist beschädigt kann nicht für die Installation von macOS verwendet werden
02.10.2023

#wtheseriousf? It used to “just work” “seamlessly”, now read the “HORRORS” of reinstalling a only 4 year old iMac (2019) that Apple just does not care about anymore. (just reinstalled  LATEST 2023 Debian 12 on a 17 year old lenovo […]

Web Power Statistics for Masterpower-Voltronic – How to run WatchPower software GNU Linux Debian – reading writing good quality Voltronic (aka MasterPower PMS 5K-48TOP Off-Grid aka Axpert MKS II 5K aka  MF-OMEGA-UM5KV3 aka MPPSolar aka STECA KATEK SOLARIX PLI 5000W 48V (DO NOT BUY CHEAP CLONES FROM PowMr EASUN PowLand VEVOR WKS) solar hybrid inverter – how to heat LiFePo4 in winter the smart way?
27.06.2023

most important: use the WatchPower version that comes on CD with the solar charge controller, as newer or older versions might not be working (incompatible, changes in protocol etc) it might wise to use a galvanic isolator (even the shielding […]

Musk quotes from Paris
18.06.2023

“Founded in 2016, the annual fair in Paris is one of Europe’s top-tier technology events, this year attracting 2,400 start-ups – double the number it hosted in its first year – and more than 2,000 investors looking to fund the […]

28.04.2023

https://webmasters-fernakademie.de Wie so oft in Deutschland: Idee gut, Umsetzung mangelhaft. im Prinzip ist 100% Remote Online Fortbildung eine gute Idee, praktisch wird man mit Text-Wüsten eines sich tot-stellenden Dozenten alleine gelassen, mit welchem man nur über eine veraltete wenig inutitiven […]