Category: howto

yes painful but some companies force this user to… going the flatpak way as snapd is a catastrophe that messes too much with the system (not UNIX KISS) get OS up to date su – root; # become root apt […]

it has to be debian 13 ! officially it’s for ubuntu! 1. make a account at cisco https://www.netacad.com/ 2. download the deb package from https://www.netacad.com/resources/lab-downloads?courseLang=en-US hostnamectl Static hostname: debian13 Icon name: computer-vm Chassis: vm 🖴 Virtualization: kvm Operating System: Debian […]

how to make gnu linux debian 13 mate /usr/bin/fox the default browser (without apt install firefox-esr) vim /usr/share/applications/fox.desktop [Desktop Entry] Name=Fox Exec=/usr/bin/fox %u Type=Application Terminal=false MimeType=text/html;text/xml;application/xhtml+xml;x-scheme-handler/http;x-scheme-handler/https; xdg-settings set default-web-browser fox.desktop xdg-mime default fox.desktop x-scheme-handler/http xdg-settings set default-web-browser fox.desktop xdg-mime default […]

get https://www.torproject.org/download/ start it up it will create a local proxy 127.0.0.1:9150 how to use that proxy with other programs like firefox, thunderbird or curl? go into settings and configure proxy as 127.0.0.1:9150 should work right away 😀 (as long […]

Fatal error: Uncaught Exception: DateTimeZone::__construct(): Unknown or bad timezone (Europe/Berlin) in /var/www/html/domain.com/public_html/wp-includes/script-loader.php:414 Stack trace: #0 /var/www/html/domain.com/public_html/wp-includes/script-loader.php(414): DateTimeZone->__construct() #1 /var/www/html/domain.com/public_html/wp-includes/script-loader.php(668): what was effectively the problem: there was a corrupted broken package tzdata completely redo /etc/apt/sources.list then apt –purge remove tzdata apt […]

BEFORE ANYONE ESCALATES: ALL AI LLM EXPERIMENTS WERE CONDUCTED IN A KVM VM USING SOLAR POWER 😎☀️🙌 after a lot of trouble with airllm have the user heared of https://www.nomic.ai/gpt4all a desktop gui that makes selecting and downloading models easy […]

it is not super trivial and even AI struggles X-D here is what works: (tested on QNAP with Debian13 :D) git clone https://github.com/bkram/qnapdisplay # alternatively (backup wget http://dwaves.de/scripts/qnapdisplay.tar.gz tar fxvz qnapdisplay.tar.gz cd qnapdisplay wget https://dwaves.de/scripts/qnap_lcd.py.txt mv qnap_lcd.py.txt qnap_lcd.py python3 qnap_lcd.py […]

how to postgres + java on debian 13 ? 😀 hostnamectl; # tested on Operating System: Debian GNU/Linux 13 (trixie) Kernel: Linux 6.12.74+deb13+1-amd64 Architecture: x86-64 su – root apt update apt install postgresql postgresql-contrib systemctl enable postgresql # what version […]

this howto is focused on “shell plug s” (it’s really hard to identify what exact version or “generation” a shelly is) but it should work the same for other shelly plugs. how to factory reset the shelly? before plugin hold […]

it is suprisingly straight forward (THANKS ALL INVOLVED :D) because in the end a x86 QNAP is just a computer 😀 it’s a widely known fact that QNAP is good hardware (very price stable = still pretty expensive X-D) but […]

what happened? on a system with 4GB of RAM x11vnc refused to start with error: shmget fails: No space left on device # reboot could solve that problem… are we at this point where GNU Linux just as Windows needs […]

requirements: make sure ssh public key auth works without password: pcA -> pcB, and pcB -> pcC pcB = “jumphost” # in general pcA <—-> pcB <—- pcC (x11vnc) # yes it’s kind of a weird syntax X-D ssh -L […]

WARNING! ALL THIS AI EXPERIMENTATION CAN MESS UP A SYSTEM AND SHOULD ONLY BE DONE IN A VM SANDBOX! PLEASE BE CAREFUL DESPITE THE PRIVACY PROBLEM, GIVING OPENCLAW API ACCESS TO 3rd PARTY (ChatGPT by OpenAI or claude by Anthropic) […]

yes it is advices to every 10 years print out the phone book… but without the duplicates and in font 8pt just in case cat contacts.vcf|grep -e ‘FN:’ -e ‘CELL:’|less cat contacts.vcf|grep -e ‘FN:’ -e ‘CELL:’ > contacts.print1.vcf paste – […]

it happend once before and it is very annoying: why is this or that command not stored in history? echo $HISTCONTROL ignoreboth # ignoreboth means: ## ignorespace Any command whose first character is a space is not saved to the […]

apt search pdfunite poppler-utils/stable,stable,now 25.03.0-5 amd64 [installed,automatic] PDF utilities (based on Poppler) # tested on hostnamectl Operating System: Debian GNU/Linux 13 (trixie) Kernel: Linux 6.12.48+deb13-amd64 Architecture: x86-64 # worked nicely pdfunite file1.pdf file2.pdf file3.pdf output.pdf # untested gs -dBATCH -dNOPAUSE […]

mail is a ancient biest in need for massive rust based rewrite, but a lot of users rely on it for a lot of tasks (smtp 25,465,587,2525) (imap 143,993) alias ssh_tunnel_mail_socks5=”ssh -v -N -D 127.0.0.1:1080 username@ip.of.users.ssh.server” then configure thunderbird to […]

copy and paste this into the network config via virt-manager to limit download speeds for this vm to 1024KByte/s: <bandwidth> <inbound average=’1024′ peak=’1024′ burst=’2048’/> <outbound average=’1024′ peak=’2048’/> </bandwidth>

should be simple but canonical has changed the settings and there are outdated howtos out there confusing users hostnamectl; # tested on Static hostname: ubuntu24 Icon name: computer-vm Virtualization: kvm Operating System: Ubuntu 24.04.3 LTS Kernel: Linux 6.8.0-71-generic Architecture: x86-64 […]

Q: what chrome adblocker is the most honest, the most open source, does the least spying? ChatGPT 5.0 mini: For Chrome, uBlock Origin Lite is the best pick if your priorities are “most open source” and “least spying.” It’s open […]

in 2025 still a lot of browsers are not x265 compatible (firefox 1.141 is) the best up to know: (it reduces the video size resolution by 50% and reencode audio to mp3, because firefox seems to have problems with ogg […]

software minimalism (leaving away anything that is not absolutely necessary and trying to simplify things) is a good UNIX KISS software concept that will lead to more stable and more secure systems, because there are just an infinite amount of […]

seriously rather would recommend using rsync to backup periodically to USB-DISK-A then every week swap USB-DISK-A with  USB-DISK-B and backup to USB-DISK-B check out this cool SATA swap station than this madness: GNU Linux veeam CAN NOT restore backup.vbk of […]

hostnamectl; # tested on Static hostname: workstation Operating System: Debian GNU/Linux 13 (trixie) Kernel: Linux 6.12.30-amd64 Architecture: x86-64 # theoretical lowest possible value 0 (highest priority) and highest possible value 4294967295 (hex 0xffffffff, guint32 (unsigned 32-bit integer, lowest priority) for […]

brasero is actually a nice CD-R DVD-R burning based on wodim (formely known as cdrecord, now cdrecord is only a softlink to wodim) but it has some pitfalls problems on Debian 13: Schilling claims, “is the only CD-R program available […]

got to know: Desktops that use wayland will profit from high framerate (x11 based not) make sure the NVIDIA card uses it’s own monitor output, if it’s outputting only on virt-manager virtio device: ./NVIDIA.run reinstall drivers in single-user-mode (init 2) […]

ffmpeg -i input.mp4 -c:v copy -c:a aac output.mp4

in 2025-07 DEBIAN 13 IS STILL “TESTING” (BETA)! USER HAS BEEN WARNED! 😀 (written on Debian 13) if the user get’s random strange errors during setup someone keeps fucking up the debian installer 🙁 (folder, iso) so can not recommend […]

convenience vs security: it’s always a tradeoff credit card scammers and scimmers: when the shop owner HIMSELF is the thief if not already put all cards with “wireless” functionality (bank ec credit id healthcare cards maybe even drivers licence) into […]

in theory GNU Linux support is (mostly) pretty well done by brother’s setup.sh script the user can get from here: the script: wget https://download.brother.com/welcome/dlf006893/linux-brprinter-installer-2.2.4-1.gz # be root su – root # unpack gunzip linux-brprinter-installer-2.2.4-1 # then chmod +x linux-brprinter-installer-2.2.4-1 then […]