Category: howto

GNU Linux (Ubuntu 22.04) how to build ltfs from src aka scratch
03.05.2024 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 […]

GNU Linux howto fix mate-screenshot taking 100% CPU

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 – 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

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? “The AI community building the future.” “The platform where the machine learning community collaborates on […]

GNU Linux how to archive website offline

if there is a website or a writing, that the user fears will be offline tomorrow… go archive it 😀 ( is doing a good job, but often-sometimes they only have stored the front page) it is possible to archive […]

GNU Linux how to fix – CIFS: VFS: cifs_mount failed w/return code = -13

system A mounts the share just fine, but system B won’t? mount -t cifs -o username=admin // /media/username/mointpoint/ dmesg; # reports [17666.614556] CIFS: Attempting to mount \\\sharename [17666.641743] CIFS: Status code returned 0xc000006d STATUS_LOGON_FAILURE [17666.641755] CIFS: VFS: \\ Send error […]

PHP Composer how to install and how to usage

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


in order to preserve best audio quality instead of converting audio, it is better (better audio quality and also faster) to simply extract the aac from an mp4 like this: vim /scripts/ #!/bin/bash # 🙂 ffmpeg rocks! if [ -z […]

GNU Linux Debian 11 (bullseye) – how to install virtualbox 6.1

lsb_release -a; # tested with Distributor ID: Debian Description: Debian GNU/Linux 11 (bullseye) Release: 11 Codename: bullseye su – root wget sha512sum 7e977fde8a2fc370d7df24f761e75eced308ea17037113db877bd799abec4a3a9b6324fcbfda2d2a67d63fbe23b822abbd36ab0f9af4fc5c352df04a97dbe550 # needs to be dpkg installed manually # install requirements apt update && apt upgrade apt […]


add user to group # official, cross distribution (tested with suse12, centos7, debian8) usermod -a -G GROUPNAME USERNAME # redhat/centos: usermod -a -G wheel user; # add user „user“ to group „wheel“ in order to allow user to use sudo […]