GNU Linux bash run (graphical desktop) process as different user
12.May.2024

hostnamectl; # tested on Operating System: Debian GNU/Linux 12 (bookworm) Kernel: Linux 6.1.0-20-amd64 Architecture: x86-64 # become root su – root apt update # if it’s graphical application echo $DISPLAY # and the user “user” is the user that started […]

GNU Linux (Ubuntu 22.04) how to build ltfs from src aka scratch
03.May.2024

https://github.com/LinearTapeFileSystem/ltfs hostnamectl; # tested on Static hostname: ubuntuxts Virtualization: kvm Operating System: Ubuntu 22.04.4 LTS Kernel: Linux 5.15.0-107-generic Architecture: x86-64 su – root apt install build-essential module-assistant gcc make perl dkms linux-headers-$(uname -r) apt -y install automake; # 1.13.4 or […]

why wordpress will die sooner or later
12.Apr.2024

always the positive first, what wordpress does nicely: [+] it allows users to (more or less) EASILY publish content [+] timely updates are provided [+] in 2024 self hosting wordpress is still possible (but they REALLY want users to use […]

Gebühren für nicht verkaufte Artikel? (Angebot Beendet) eBay’s eigene Gebühren vs Transparenz Gesetz Limits – eBay Rückrufservice: jetzt noch schwerer zu finden – Cum-Ex Fahnderin Anne Brorhilker zum Thema Steuergerechtigkeit “Die Kleinen hängt man, die Grossen lässt man laufen” – Retoure nach China könnt ihr DIREKT vergessen
07.Apr.2024

Produkte SecondHand zu verkaufen macht viel Sinn. Diese Produkte müssen nicht neu produziert werden und sparen somit ressourcen. Viele Käufer können sich nur gebrauchte Produkte leisten (Ja auch in Deutschland gibt es ARMUT!) Eigentlich sollte man diesem Prozess alle Steine […]

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.Apr.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 mate desktop how to reset keyring password
01.Apr.2024

keyring is a file that stores all sorts of (for example wifi) passwords encrypted Gnome2 based MATE per default creates keyring here: ~/.local/share/keyrings/login.keyring so if the keyring password is lost, only a new keyring can be created. rm -rf ~/.local/share/keyrings/login.keyring […]

2024 is the year + SuperCharge IT processes with OpenSource + GNU Linux + kvm + there is still more potential + Intel Xeon vs AMD EPYC vs Altra ARM CPU vs Apple M1 benchmark battle! + M$ Office for GNU Linux
30.Mar.2024

Hetzner is already doing it with very energy efficient Ampere ARM servers delivering world-class-cost-and-energy-saving-virtual-servers. (Gigabyte has them as well UNTESTED!) #SuperCharge #IT processes with #OpenSource + #GNU #Linux (call it #GNU #Linux and give the dude that wrote gcc some […]

29.Mar.2024

the internet STILL a hope for a better society based on truth based on informed decisions not “fake news” (a new word for “lies”) terrorism and mass surveillance are good for dictators the Dalailama once said: since the internet and […]

AVM FritzBox 7590 DNS over TLS how to setup – updates slow down FRITZ!Box 4040 release date 2016 too slow for DHCP – which boxes still receive security and firmware updates? (not EoL) – right to repair (spare parts)
22.Mar.2024

update: 2024-04 changed 7590 (latest FritzOS) against 7390 (older FritzOS) there are no such DHCP problems per default FBs have [-] no protection against: https://www.prosec-networks.com/en/blog/dhcp-starvation-attack/, which of course is not easy but imho uncool because if user lose trust in […]

GNU Linux howto fix mate-screenshot taking 100% CPU
15.Mar.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.Mar.2024

update: 2024-06: ed25519 is currently “the way to go” 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 […]