Axel Werner's OPEN SOURCE Knowledge Base

How i would install Ubuntu server 20.04 LTS with bridged interfaces?

Anonymous (anonymous@undisclosed.example.com) — 2022-11-02T15:47:03+00:00

How i would install Ubuntu server 20.04 LTS with bridged interfaces? FIXME FIXME FIXME work in progress STUFF TO READ: * * FIXME FIXME FIXME Szenario / User requirements: This is the network how i like to have it: * [X] are Hosts/Devices

Formatting Syntax

Anonymous (anonymous@undisclosed.example.com) — 2024-05-12T13:48:45+00:00

Formatting Syntax DokuWiki supports some simple markup language, which tries to make the datafiles to be as readable as possible. This page contains all possible syntax you may use when editing the pages. Simply have a look at the source of this page by pressing

Proxmox 7 Installation and Configuration with two network interfaces

Anonymous (anonymous@undisclosed.example.com) — 2023-08-05T14:01:26+00:00

Proxmox 7 Installation and Configuration with two network interfaces Network Scenario : This page show the installation notes for a two network interfaced Proxmox 7 virtualisation server. This is my network scenario we are going to work on: {LAN 192.168.0.0/24} || +==========================+ | [LAN IF 192.168.0.250] | | ProxMox 7 Host | | pve.lan | | [DMZ IF 192.168.178.250] | +==========================+ || {DMZ…

How to join or connect UBUNTU Desktop 18.10 Workstation to an Active Directory (AD) Domain, including automatic mounting of CIFS (SMB) shares and home directory

Anonymous (anonymous@undisclosed.example.com) — 2022-08-31T12:30:19+00:00

How to join or connect UBUNTU Desktop 18.10 Workstation to an Active Directory (AD) Domain, including automatic mounting of CIFS (SMB) shares and home directory This page describes the results of a small 3 day workshop i threw with a former colleague on how to set up an UBUNTU Desktop 18.10 Workstation that connects to an existing (SAMBA 4 based) Active Directory domain, so that users can use their AD user accounts to graphically logon and have their cifs (or smb) shares and (windows) home dire…

How to make an Ubuntu or Debian apt repository locally available as an emergency offline fallback

Anonymous (anonymous@undisclosed.example.com) — 2022-08-31T12:30:19+00:00

How to make an Ubuntu or Debian apt repository locally available as an emergency offline fallback Maybe you never had that problem yourself, but there may be reasons why someone want to have one or multiple Ubuntu or Debian online repositories available on your local network. Maybe because you throw an Linux installation party and dozens of times the same repos and files are been pulled over a thin DSL connection. Or you want your own local mirror in case your internet connection goes down. Or …

How to use a (usb) floppy drive to backup and restore double density (dd) and high density (hd) disk images using Linux for vintage roland synthesizers, samplers or music keyboards

Anonymous (anonymous@undisclosed.example.com) — 2022-08-31T12:30:19+00:00

How to use a (usb) floppy drive to backup and restore double density (dd) and high density (hd) disk images using Linux for vintage roland synthesizers, samplers or music keyboards Old vintage synthesizer keyboards, samplers and other musical devices often used 3.5

How to create a self signed or official ssl tls certificate without questions asked (non-interactive) on the command line interface

Anonymous (anonymous@undisclosed.example.com) — 2022-08-31T12:30:19+00:00

How to create a self signed or official ssl tls certificate without questions asked (non-interactive) on the command line interface Goal: * create a x509 server certificate for use in TLS (ssl) * self signed (not official, not trusted by default)

How to enable audio normalization a.k.a. audio compression a.k.a. audio dynamic range compression under Rocky Linux 9 with pipewire

Anonymous (anonymous@undisclosed.example.com) — 2026-02-07T14:16:32+00:00

How to enable audio normalization a.k.a. audio compression a.k.a. audio dynamic range compression under Rocky Linux 9 with pipewire Under Windows its been around for many years already, installed by default and included pretty much with every sound driver. The user would just need to click a checkbox to enable it. With Linux it isn't that easy yet and most people are not even aware of it. But Linux offers a vast variety of messing with the audio path and signals in real time. Way more and bette…

DokuWiki

Anonymous (anonymous@undisclosed.example.com) — 2022-09-15T10:58:38+00:00

DokuWiki wiki:dokuwiki DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn't require a database. It is loved by users for its clean and readable Formatting Syntax. The ease of maintenance, backup and integration makes it an administrator's favorite. Built in

How to install and configure Docker on UBUNTU Server 20.04 (and similar)

Anonymous (anonymous@undisclosed.example.com) — 2022-08-31T12:30:19+00:00

How to install and configure Docker on UBUNTU Server 20.04 (and similar) One can find “manuals” and “how to”s for this topic everywhere, but there is always something important missing and thus you'll have to do further search and puzzle everything together. I'm not saying that my manual here is ever complete, but at least from an administrators standpoint it hopefully covers more than the average docker page on the interwebs to prevent Docker from going haywire and pulling down your host. Sinc…

Meine IT Artikel

Anonymous (anonymous@undisclosed.example.com) — 2026-02-12T17:01:42+00:00

Meine IT Artikel Linux * How to convert and stabilize Panasonic SDR-H20 video files to h265 mkv using ffmpeg * Improve your MPV experience by adding a trash-and-skip key binding workflow * SAMBA - Einige nützliche NET Kommandos... * mutt goes Maildir/ - Wie man mutt für Maildir konfiguriert * Link Speed und Link Modus einer Ethernet Schnittstelle einstellen mit ethtool * Screen - Fenster Manager und Multifunktions-Werkzeug für die Text-Konsole * Systemweites AUTOLOGOUT für ROOT…

Automatisches Backup (RSYNC) mit Hot Plug SATA bzw USB Festplatten als Sicherungsmedium

Anonymous (anonymous@undisclosed.example.com) — 2022-08-31T12:30:19+00:00

Automatisches Backup (RSYNC) mit Hot Plug SATA bzw USB Festplatten als Sicherungsmedium Festplatten und sonstige Speicher werden schnell immer größer und damit wird es auch immer schwieriger regelmässig eine gute , schnelle und vollsständige Datensicherung aller wichtigen Daten anzufertigen. Magnetband, CD und DVDs sind inzw. oft schon wie zu klein, zu teuer und zu unpraktisch um damit die heutigen gigantischen Datenmengen zu sichern. Da hilft oft nur noch eine Backup-to-Disk Datensicherung.…

Command line (cli) examples for use with LBRY a.k.a. ODYSEE video platform (youtube alternative)

Anonymous (anonymous@undisclosed.example.com) — 2022-08-31T12:30:19+00:00

Command line (cli) examples for use with LBRY a.k.a. ODYSEE video platform (youtube alternative) If your are a former Youtuber switching to ODYSEE a.k.a. LBRY, you might be interested in how to control and use ODYSEE/LBRY from the command line, for faster and easier video transcoding, easier uploading and such. The true professional knows, the CLI may not look pretty, but is far superior and faster compared to any

EXPERIMENTAL HA Kubernetes Cluster for SOHO use on UBUNTU + k3sup + k3s base

Anonymous (anonymous@undisclosed.example.com) — 2022-08-31T12:30:19+00:00

EXPERIMENTAL HA Kubernetes Cluster for SOHO use on UBUNTU + k3sup + k3s base Project Goal: * self hosted HA fault tolerant (multi master) Kubernetes Cluster * NO SINGLE POINT OF FAILURE! * no “external” managed Services required (no separate database/load balancer)

How to configure or add a static IPv6 address to your IPv4 Ubuntu Server with bridged interfaces?

Anonymous (anonymous@undisclosed.example.com) — 2022-08-31T12:30:19+00:00

How to configure or add a static IPv6 address to your IPv4 Ubuntu Server with bridged interfaces? I ran a UBUNTU Server 14.04/16.04 LTS on a computer on a small SOHO as an router/firewall, using two network interfaces. One is towards the internet, one for internal (

How to enable audio normalization a.k.a. audio compression a.k.a. audio dynamic range compression under Debian Linux with pipewire

Anonymous (anonymous@undisclosed.example.com) — 2026-01-19T13:27:14+00:00

How to enable audio normalization a.k.a. audio compression a.k.a. audio dynamic range compression under Debian Linux with pipewire Under Windows its been around for many years already, installed by default and included pretty much with every sound driver. The user would just need to click a checkbox to enable it. With Linux it isn't that easy yet and most people are not even aware of it. But Linux offers a vast variety of messing with the audio path and signals in real time. Way more and better…

How to enable free updates to proxmox, the free open source vmware killer, without a costly subscription

Anonymous (anonymous@undisclosed.example.com) — 2022-08-31T12:30:19+00:00

How to enable free updates to proxmox, the free open source vmware killer, without a costly subscription ProxMox is an open source, free Linux Distro, that gives you enterprise grade VMWARE virtualisation features either free of charge. The product itself is free. The support isnt free. If you want to run proxmox in your enterprise and want it to be backed up with enterprise grade support, consider a subscription!

learning python3 - barGraph.py - small program to generate an ascii bargraph of any width

Anonymous (anonymous@undisclosed.example.com) — 2022-08-31T12:30:19+00:00

learning python3 - barGraph.py - small program to generate an ascii bargraph of any width These are my first steps in python programming language. The result is a little program that draws an ascii bargraph on to your console window, platform independend. it comes with 3 internal demos to show what it can do so far. its not really a beauty and could be done better, but for my first steps in python im quiet happy with my progress in learning python so far. So to help out others to help learn pyt…

learning python3 - frameIt.py - command line tool to frame text on the console

Anonymous (anonymous@undisclosed.example.com) — 2022-08-31T12:30:19+00:00

learning python3 - frameIt.py - command line tool to frame text on the console These are my first steps in python programming language. The result is a little cli tool/function/library (whatever you call it ) that will encapsulate any given text within a

My first real Java project - flashySquare V.1.0

Anonymous (anonymous@undisclosed.example.com) — 2022-08-31T12:30:19+00:00

My first real Java project - flashySquare V.1.0 This was my first self initiated Java Project from the scratch for training purposes. It requires the acm library which you can download from . It shows a simple rectangle and changes (fades) it from one color to another random color. Just like you might know it from some Microcontroller RGB LED Projects.

How to add more system information and color to your virtual terminals and shells with "screenfetch"

Anonymous (anonymous@undisclosed.example.com) — 2022-08-31T12:30:19+00:00

How to add more system information and color to your virtual terminals and shells with "screenfetch" You might have seen screenfetch or similar tools like bginfo (winblows only) before. But how to install them so that they provide constant use to every user on a system. Here is how i did it for my virtual consoles (text based pre login environment). Thanks to cron it runs every minute and updates the

How to achieve easy automatic deployment of Centos7 as VirtualBox VM in a dynamic DNS LAN environment with an Ansible playbook

Anonymous (anonymous@undisclosed.example.com) — 2022-08-31T12:30:19+00:00

How to achieve easy automatic deployment of Centos7 as VirtualBox VM in a dynamic DNS LAN environment with an Ansible playbook PLEASE NOTE:“”“” Scenario / Environment: * Have an internet connected LAN with a local DHCP and “dynamic DNS”

How to enable pc speaker on UBUNTU 20.04 to make your server audible without additional hardware

Anonymous (anonymous@undisclosed.example.com) — 2022-10-30T16:43:26+00:00

How to enable pc speaker on UBUNTU 20.04 to make your server audible without additional hardware Maybe you run a physical Linux server somewhere under a desk or somewhere in your small office / home office which still contains spinning platters ( hard disks ) or any other hardware that

How to limit users to update or upgrade installed packages on their UBUNTU 20.04 installation but not allow installing packages using sudo and aptitude

Anonymous (anonymous@undisclosed.example.com) — 2022-08-31T12:30:19+00:00

How to limit users to update or upgrade installed packages on their UBUNTU 20.04 installation but not allow installing packages using sudo and aptitude By default on UBUNTU/DEBIAN users require membership in “adm” or “sudo” groups, to gain the right to use sudo freely. However there are many situations where you want regular users to be able to update and upgrade their system any time, even without using a password every time. For example:

shellscript - automatically fix wrong filename extensions - fix-filename-extension.sh

Anonymous (anonymous@undisclosed.example.com) — 2022-08-31T12:30:19+00:00

shellscript - automatically fix wrong filename extensions - fix-filename-extension.sh Its a little weird topic. But when you have to deal a lot with “non IT people” throwing around lots of files like photos and/or archive files and they mix up each and every file format and filename extensions, it quickly can get messy. This shell script is a early attempt to quickly and easily find these

regedit - kommandozeilen paramete,import,export über batch dateien

Anonymous (anonymous@undisclosed.example.com) — 2022-08-31T12:30:19+00:00

regedit - kommandozeilen paramete,import,export über batch dateien regedit.exe Befehl Funktion regedit /s patch.reg Importiert (STILL) den Inhalt der Reg Datei in die aktuelle Registry (Silent Mode) regedit /e export.reg Exportiert die GESAMTE Registry in eine Text-Datei

Improve your MPV experience by adding a trash-and-skip key binding workflow

Anonymous (anonymous@undisclosed.example.com) — 2026-01-25T22:58:14+00:00

Improve your MPV experience by adding a trash-and-skip key binding workflow I know #Kodi ! I love #VLC ! But since i learned to know #MPV is LIVE it! Looks like nothing, but is everything one could ever want. However the default configuration really needs some personal touch to make it work for me.

Welcome to your new DokuWiki

Anonymous (anonymous@undisclosed.example.com) — 2025-09-21T15:16:03+00:00

Welcome to your new DokuWiki Congratulations, your wiki is now up and running. Here are a few more tips to get you started. Enjoy your work with DokuWiki, -- the developers Create your first pages Your wiki needs to have a start page. As long as it doesn't exist, this link will be red:

BASH - Tipps und Tricks

Anonymous (anonymous@undisclosed.example.com) — 2022-08-31T12:30:19+00:00

BASH - Tipps und Tricks Brace Expansion / Klammern Expansion Klammern Expansion kann einem das Leben leichter machen. Beispiele: * Anlegen mehrerer “gleicher” Verzeichniss-Bäume mkdir -p {ebene1dir1,ebene1dir2}/{sub1,sub2,sub3} Legt folgende Verzeichniss-Struktur an:

CAVE cloning VMs of UBUNTU 20.04 Server or Desktop can result in networking problems. Same IP address in every cloned VM, even if MAC address has been changed

Anonymous (anonymous@undisclosed.example.com) — 2022-08-31T12:30:19+00:00

CAVE cloning VMs of UBUNTU 20.04 Server or Desktop can result in networking problems. Same IP address in every cloned VM, even if MAC address has been changed Problem: Using virtualisation (VMs) like Virtualbox, KVM etc, people sometimes “clone”

How to enable audio normalization a.k.a. audio compression a.k.a. audio dynamic range compression under Linux? (pulse audio)

Anonymous (anonymous@undisclosed.example.com) — 2026-02-08T07:05:18+00:00

How to enable audio normalization a.k.a. audio compression a.k.a. audio dynamic range compression under Linux? (pulse audio) NOTE / UPDATE : :!: Meanwhile i managed to achieve the same result on Linux Distros with PipeWire , using SWH's LV2 and/or LADSPA plugins. See my articles about pipewire on this website.

How to find files by separate keywords real quick using 'locate' instead of 'find'?

Anonymous (anonymous@undisclosed.example.com) — 2022-08-31T12:30:19+00:00

How to find files by separate keywords real quick using 'locate' instead of 'find'? If you have lots and lots if files accumulated over the decades , more or less organized, you sometimes need to find a file real quick. you might know some sort of keyword or partial filename , but cant remember where its located at. There you could go for some

How to install Oracle Virtualbox 7 on Linux Mint 21 with automatic updates?

Anonymous (anonymous@undisclosed.example.com) — 2024-01-06T11:16:54+00:00

How to install Oracle Virtualbox 7 on Linux Mint 21 with automatic updates? For some strange reason Oracle Virtualbox 7 is still not available through the Mint Repos in early 2024. And for some even more strange reasons Oracle themselves offer their own Debian/Ubuntu/Mint online (apt) repository, but seem NOT to make sure that people are using this method, so that users will receive future updates to the packages automatically. Oracle provides all the information for that, but it's unnecessaril…

How to shrink transcode cleanup misc video files using handBrake handBrakeCLI

Anonymous (anonymous@undisclosed.example.com) — 2025-11-21T17:57:56+00:00

How to shrink transcode cleanup misc video files using handBrake handBrakeCLI By the power of LINUX the FlatPak Version or “Handbrake” includes the “CLI” Version “HandbrakeCLI” as well! That said it is way faster to do batch work like that.

Proxmox 8 How to check and report zpool zraid status automatically

Anonymous (anonymous@undisclosed.example.com) — 2025-04-26T16:44:16+00:00

Proxmox 8 How to check and report zpool zraid status automatically This is NOT Proxmox exclusive and will most likely work on any Debian based Linux distro using openZFS for zpools/raid that has been peoperly configured for sending SMTP Email. * Prerequisits:

Proxmox 8 How to use CLI only to create and spin up new Linux VMs (qemu)

Anonymous (anonymous@undisclosed.example.com) — 2025-09-21T15:12:23+00:00

Proxmox 8 How to use CLI only to create and spin up new Linux VMs (qemu) :!: UNDER CONSTRUCTION: Until now this page is just some sort of a collection of notes. --- Axel Werner 2024-07-20 08:16 Important paths and files: * Boot ISOs can be found in Proxmox storage named: