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

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…

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

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…

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. …

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…

LDAP/SAMBA Kommandozeilen Tools (CLI)

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

LDAP/SAMBA Kommandozeilen Tools (CLI) * Auslesen des rootDSE Objektes. Zeigt LDAP Clients die Features und Dienste des LDAP Servers an, sofern diese danach Fragen. ldapsearch -x -w 'passwort' -D 'cn=ldapmanager,dc=someou,dc=higherou,dc=de' -b "" -s base '+'

Repairing a faulty 80s Power Supply 13.8V/3A from CONRAD Elektronik, Germany

Anonymous (anonymous@undisclosed.example.com) — 2022-08-31T11:16:16+00:00

Repairing a faulty 80s Power Supply 13.8V/3A from CONRAD Elektronik, Germany CONRAD Elektronics is possibly Germanys largest and certainly the most popular Electronic Parts Reseller. Some time in the 1980s i bought a stabilized 13.8V, 3A (5A) DC Power Supply that served my needs for decades now. Lately i accidentally dropped it to the floor and after re-checking it, it seems to send out pretty much

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 …

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.…

cd/dvd Massen import script - automatisiert massenweise cd/dvds importieren bzw auf platte kopieren

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

cd/dvd Massen import script - automatisiert massenweise cd/dvds importieren bzw auf platte kopieren Schonmal eine Datensicherung auf CD oder DVD bestehend aus mehreren duzend Disks zurückspielen müssen? Oder die gesamte Bilder- oder Musik-Sammlung CD für CD? Das ist ganz schön langwierig und man macht doch nur immer wieder die gleichen Handgriffe. Warum also nicht so weit wie möglich automatisieren? Darum habe ich mir eben schnell dieses kleine Script geschrieben dass mir die Arbeit dabei etwas…

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:

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 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

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

Meine IT Artikel

Anonymous (anonymous@undisclosed.example.com) — 2026-05-14T11:21:59+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…

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 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 …

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”

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 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 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 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 mount home from another already mounted drive or volume for better snaps support

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

How to mount home from another already mounted drive or volume for better snaps support Something historic “snaps” seem Canonical's/Ubuntu's prefered package format for easy and fast installation of desktop apps. However the whole snaps system often fails with errors if someone has moved the

ISO CD/DVD Images mounten und/oder ISO Images von CD/DVD erstellen \\ HOW TO CREATE ISO CD/DVD IMAGES AND HOW TO MOUNT ISO IMAGES ON ANY LINUX

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

ISO CD/DVD Images mounten und/oder ISO Images von CD/DVD erstellen \\ HOW TO CREATE ISO CD/DVD IMAGES AND HOW TO MOUNT ISO IMAGES ON ANY LINUX Aus einer CD/DVD ein ISO Image/File machen / HOW TO make an ISO from CD/DVD Nichts einfacher als das! Die Mittel dazu sind AUF JEDEM LINUX VORHANDEN!

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:

STATA 12 on 64Bit SLES 11 sp1 - libgtksourceview-1.0.so.0: cannot open shared object file

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

STATA 12 on 64Bit SLES 11 sp1 - libgtksourceview-1.0.so.0: cannot open shared object file Today i tried to install STATA12 Statistics Software on a SuSE Linux Enterprise Server (SLES) 11 sp1 64bit and stumbled over an error message that some library is yet not found:

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