Category: Debian

cyber: keep ssh updated: ssh is critical infrastructure
30.06.2026

… is of course very very critical infrastructure, blunders in this area will have devastating consequences for the whole globe. this time it is luckily only the CLIENT ssh side that is affected libssh2 is a client-side C library implementing […]

how to install GNU Linux Debian 13 on QNAP x86 NAS (ts-559 pro+ TS-459 PRO II) how to get a package for older version of debian 10 buster (how to set CMOS clock manually or face Certificate verification failed: The certificate is NOT trusted. The certificate chain uses not yet valid certificate. Could not handshake: Error in the certificate verification)
04.04.2026

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 […]

GNU Linux Debian: the amazing world of ssh forwarding (how to forward vnc port of pcC via pcB to connect from pcA) (tunnel vnc via ssh over jumphost (pcB)) why does mate desktop network manager keep disabling dropping NIC network interface? (debian mate gnome network manager how to activate settings, temporarily testing network settings)
29.03.2026

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 […]

How to install GNU Linux Debian 13 (updated 2025-11)
11.07.2025

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 […]

GNU Linux Debian how to remmina no vnc available
06.05.2025

it’s strange… remmina per default does not allow vnc connection unless: neofetch; # tested on root@rockpi-e ————- █ █ █ █ █ █ █ █ █ █ █ OS: Armbian (24.11.1) aarch64 ███████████████████████ Host: Radxa ROCK Pi E ▄▄██ ██▄▄ […]

Debian 13 wifi usb adapter trouble (edimax works :D)
09.03.2025

forget about all other wifi adapters, get the Edimax Technology Co., Ltd EW-7612UAn V2 802.11n Wireless Adapter [Realtek RTL8192CU] as long as it’s produced… it just works out of the box on almost any GNU Linux distro including raspberry pi […]

31.01.2025

sudo snap install –classic certbot error: unable to contact snap store #wtf? why have one package management system if the user can have 3x 4x 5x? https://en.wikipedia.org/wiki/APT_(software) https://salsa.debian.org/apt-team/apt.git to keep it simple imho it would be better to use only […]

how to run flash swf via GNU Linux Debian 13 via ruffle
11.01.2025

“A Flash Player emulator written in Rust ” this is PRETTY cool yes html + javascript basically decimated the use of the FlashPlayer but flash had some strong points: java like language flexible % layouts were easy to make still […]

test review benchmark armbian gnu linux on rockpi-e (RK3588 ARMv8 no GPU but desktop via x11vnc and xvfb) (how to download run geekbench v5 + v6 (arm + x86) out of RAM fixed) RISC-V faster?
24.12.2024

THERE ARE SERIOUS SOFTWARE (OR OTHER) PROBLEMS WITH THE 2nd NETWORK INTERFACE (NIC) update! unfortunately someone screwed up: INSTALL THE BELOW Armbian.img AND DO NOT UPDATE or 2nd nic could stop working DUAL LAN alternatives in 2025 ?: https://radxa.com/products/rock5/5itx/ https://www.amazon.com/s?k=Orange+Pi+5+Plus […]

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 review best git gui 2024 comparison – how to setup and git clone a repo via ssh with SmartGit – how to use with eclipse – how to automatically git pull download refresh repo with latest changes before editor gui ide start?
10.03.2024

git is a complex source code repository management system that completely relies on file transactions this means: there is no running service or open port (except if git-over-ssh is used, all it needs for network multi developer cooperation is a […]