Axel Werner's OPEN SOURCE Knowledge Base

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…

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

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 …

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.…

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.

My Solution on Assignment 2 - Problem 1

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

My Solution on Assignment 2 - Problem 1 This is my Solution of Assignment 2 - Problem 1 from the Computer Science Course CS106A of Prof. Mehran Sahami at the STANFORD University. /* * File: Pyramid.java * Name: * Section Leader: * ------------------ * This file is the starter file for the Pyramid problem. * It includes definitions of the constants that match the * sample run in the assignment, but you should make sure * that changing these values causes the generated display * to …

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 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…

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.

msiexec.exe - Kommandozeilen Parameter

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

msiexec.exe - Kommandozeilen Parameter :!: Diese Hilfe kann man sich auch durch msiexec.exe /? anzeigen lassen. Windows ® Installer. V 3.01.4001.5512 msiexec /Option [Optionale Parameter] Installationsoptionen Installiert oder konfiguriert ein Produkt. /a Administrative Installation - Installiert ein Produkt im Netzwerk. /j [/t ] Kündigt ein Produkt an - m f…

My Reaction / Research on julian's investigates how slow is arduino youtube video

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

My Reaction / Research on julian's investigates how slow is arduino youtube video After i have seen Julian's YouTube Video ( ) on Arduino Microcontrollers i was courious about if the Arduino is really that slow and so i wanted to test it myself, trying out multiple methods to switch on and of a single pin on the arduino as fast as we can. This Page summarizes my results and shows the oscilloscope (scope) Screenshots and code that i have made and used.

A Solution on Assignment 2 - Problem 3

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

A Solution on Assignment 2 - Problem 3 This is “a” Solution of Assignment 2 - Problem 3 from the Computer Science Course CS106A of Prof. Mehran Sahami at the STANFORD University. In fact, i cant realy tell anymore if I wrote this code or if i found it somewhere on the internet :). It looks pretty much like programm code i usualy make. But will not claim that this is MY Code. Just a Code that solves the Problem as requested for example purposes.

CS106A BouncingBall Sample Code Phenomenon - Ball bounces forever?

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

CS106A BouncingBall Sample Code Phenomenon - Ball bounces forever? This is the “BouncingBall” Sample Code for Computer Science Course CS106A of Prof. Mehran Sahami by the STANFORD University. Testing the Code on my computer with some changes at the parameters (class vars) turned out to show some STRANGE PHENOMENON. The ball seems not to come to rest. In fact, at the end you can easily see that it sometimes

My Solution on Assignment 1 - Problem 2

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

My Solution on Assignment 1 - Problem 2 This is my Solution of Assignment 1 - Problem 2 from the Computer Science Course CS106A of Prof. Mehran Sahami at the STANFORD University. /* * File: StoneMasonKarel.java * -------------------------- * The StoneMasonKarel subclass as it appears here does nothing. * When you finish writing it, it should solve the "repair the quad" * problem from Assignment 1. In addition to editing the program, * you should be sure to edit this comment so that i…

My Solution on Assignment 1 - Problem 3

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

My Solution on Assignment 1 - Problem 3 This is my Solution of Assignment 1 - Problem 3 from the Computer Science Course CS106A of Prof. Mehran Sahami at the STANFORD University. /* * File: CheckerboardKarel_v2.java * ---------------------------- * When you finish writing it, the CheckerboardKarel class should draw * a checkerboard using beepers, as described in Assignment 1. You * should make sure that your program works for all of the sample * worlds supplied in the starter folder. …

My Solution on Assignment 1 - Problem 4

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

My Solution on Assignment 1 - Problem 4 This is my Solution of Assignment 1 - Problem 4 from the Computer Science Course CS106A of Prof. Mehran Sahami at the STANFORD University. /* * File: MidpointFindingKarel.java * ------------------------------- * When you finish writing it, the MidpointFindingKarel class should * leave a beeper on the corner closest to the center of 1st Street * (or either of the two central corners if 1st Street has an even * number of corners). Karel can put do…

My Solution on Assignment 2 - Problem 2

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

My Solution on Assignment 2 - Problem 2 This is my Solution of Assignment 2 - Problem 2 from the Computer Science Course CS106A of Prof. Mehran Sahami at the STANFORD University. /* * File: Target.java * Name: * Section Leader: * ----------------- * This file is the starter file for the Target problem. * Assignment 2 , Problem 2 */ import acm.graphics.*; import acm.program.*; import java.awt.*; import javax.swing.plaf.synth.ColorType; public class Target extends GraphicsProgram {…

My Solution on Assignment 2 - Problem 4

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

My Solution on Assignment 2 - Problem 4 This is my Solution of Assignment 2 - Problem 4 from the Computer Science Course CS106A of Prof. Mehran Sahami at the STANFORD University. /* * File: PythagoreanTheorem.java * Name: Axel Werner * Section Leader: * ----------------------------- * This file is the starter file for the PythagoreanTheorem problem. */ import acm.program.*; public class PythagoreanTheorem extends ConsoleProgram { public void run() { println("PythagoreanTheorem : …

My Solution on Assignment 2 - Problem 5

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

My Solution on Assignment 2 - Problem 5 This is my Solution of Assignment 2 - Problem 5 from the Computer Science Course CS106A of Prof. Mehran Sahami at the STANFORD University. /* * File: FindRange.java * Name: Axel Werner * Section Leader: * -------------------- * This file is the starter file for the FindRange problem. */ import acm.program.*; public class FindRange extends ConsoleProgram { /** * Main Program to requests a list of integers from the user * to determine an…

My Solution on Assignment 2 - Problem 6

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

My Solution on Assignment 2 - Problem 6 This is my Solution of Assignment 2 - Problem 6 from the Computer Science Course CS106A of Prof. Mehran Sahami at the STANFORD University. /* * File: Hailstone.java * Name: Axel Werner * Section Leader: * -------------------- * This file is the starter file for the Hailstone problem. */ import acm.program.*; /** * Class to ask User for a integer start number to * calculate Hailstone Numbers sequence. * @author Axel Werner */ public class …

My Solution on CS106A - Section 20 - Problem 3 - Random Circles

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

My Solution on CS106A - Section 20 - Problem 3 - Random Circles This is my Solution on CS106A - Section 20 - Problem 3 - Random Circles from the Computer Science Course CS106A of Prof. Mehran Sahami at the STANFORD University. Question: On some runs of this program you might not see ten circles. Why? My Answer: Since there is no special controlling on where to place new circles on the canvas it is possible that it puts a new larger circle on top of an older smaller circle, covering the older…

My Solution on CS106A - Section 20 - Problem 4 - Drawing Lines

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

My Solution on CS106A - Section 20 - Problem 4 - Drawing Lines This is my Solution on CS106A - Section 20 - Problem 4 - Drawing Lines from the Computer Science Course CS106A of Prof. Mehran Sahami at the STANFORD University. My Code: /* * File: DrawLines.java * ------------------- * Name: Axel Werner [mail@awerner.myhome-server.de] * Section Leader: * * CS106A - Section 20 - Problem 4 - Draw Lines * * Write a GraphicsProgram that allows the user to * draw lines on the canvas. Pr…

My Solution on Section1 - Cleaning PunchCards

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

My Solution on Section1 - Cleaning PunchCards This is my Solution of “Section1 - Cleaning PunchCards” from the Computer Science Course CS106A of Prof. Mehran Sahami at the STANFORD University. /* * File: Section1.java * -------------------------------- * Karel checks a punch card for half punched holes and cleans * those up. holes where the middle thingy is still existend * are considered as valid. */ import stanford.karel.*; public class Section1 extends SuperKarel { /** * Specif…

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 convert and stabilize Panasonic SDR-H20 video files to h265 mkv using ffmpeg

Anonymous (anonymous@undisclosed.example.com) — 2026-02-15T10:32:38+00:00

How to convert and stabilize Panasonic SDR-H20 video files to h265 mkv using ffmpeg If you once owned a digital Panasonic SDR-H20 SD Video Camera from around the mid-to-late 2000s, you might still have native video files from that device tucked away somewhere. Note that this camera was/is Standard Definition (SD) only—so no 1080p Full HD here!

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!

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 install gtop (graphical top) an advanced text UI system monitor on Ubuntu 18.04 or similar

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

How to install gtop (graphical top) an advanced text UI system monitor on Ubuntu 18.04 or similar top, atop, iotop etc are all very good and well known system monitoring tools which run perfectly via simple terminal sessions (no X server or mouse required). But sometimes you would prefer some graphical representation added to it. Some graphs. There comes

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 update BIOS firmware for Toshiba Tecra A2 (maybe others as well) within Linux

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

How to update BIOS firmware for Toshiba Tecra A2 (maybe others as well) within Linux I have got an ancient ca 2003/2004 Toshiba business notebook with some 32bit, NO PAE, 1 core, Pentium M (centrino?) CPU , 1GB RAM, 40GB PATA HDD, WiFi, DVD writer with a dead battery. Beside that its in pretty good shape. Comes with a DB25 parallel port, PCMCIA Slot, 2 USB (v2?) Ports. So if it would run a somewhat recent Linux it would be still an awesome nice tool for simple tasks where power consumption is n…

How to upgrade Ubuntu Linux 16.04 LTS, 16.10 or 17.04 to Ubuntu 18.04 LTS inplace

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

How to upgrade Ubuntu Linux 16.04 LTS, 16.10 or 17.04 to Ubuntu 18.04 LTS inplace To upgrade Ubuntu you often dont need to do a fresh install of it. You can try an inplace upgrade instead with only a few easy steps. :!::!::!: However its highly recommended that you first BACKUP ALL YOUR DATA AND CONFIGURATION FILES

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…

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…

runas unter windows xp - Programme unter anderem Benutzer starten

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

runas unter windows xp - Programme unter anderem Benutzer starten Ausgangssituation: Es wird davon ausgegangen dass nur ein einfacher Benutzer ohne administrative Rechte am Windows XP (Pro) Rechner angemeldet ist. Somit fehlen dem Benutzer die Rechte um viele Systemwerkzeuge verwenden zu können. Diese Situation liegt z.b. dann vor wenn ein Administrator einem Benutzer per Fernwartung (VNC) assistieren möchte und nun im laufenden Betrieb ohne sich ummelden zu müssen ein Programm mit den erhöten…

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.