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Tech Tutorials

Check out my first tutorials:

Here you find selected blog posts which are having the structure like small tutorials. Hopefully this page will be extended during the next months and years.

Click on the topics in which you are interessted in and enjoy your reading.


  • Erasing HDD (Hard Disk Drives) with Nwipe

    The old conventional electro mechanical data storage disks did a good job for ages. In the last decade they where replaced by Solid State Disks (SSD) and recently by the even faster Nvme and m.2 storage devices. The problem with the conventional HDDs is that erased, even formatted data can be easily restored with special…


  • Install and Configure Security Software on Ubuntu

    Introduction The topic of the blog post is applied IT Security on Linux Ubuntu Desktops. IT security is a hot topic since all the aspects of our live is based on IT in one form or another. Many companies around the world are affected by attacks against their IT systems and these attacks do a…


  • Block Brute-Force Attacks against WordPress

    Introduction WordPress is a Content Management System (CMS) and blogging software which allows one to publish content in the internet. Many web pages in the internet are built on the popular WordPress software. WordPress consists mainly in HTML and PHP Code and stores its data in a SQL database like MySQL or MariaDB. Like all…


  • 8 Free and Important WordPress Plugins (2023)

    Introduction WordPress is a popular blogging and Content Management System (CMS) software. It is used to publish blogging content to the internet or as a base system for web pages. Other widespread CMS software is Joomla! or Drupal. These systems exist since many years and over the time theses systems became very similar to each…


  • Install WordPress and MySQL on Ubuntu

    WordPress is a software which was initially designed for blogging (weblog) purposes. A blog software can be used to publish content chronologically to the internet. Over the time and with ongoing releases WordPress developed and nowadays it can be used as a basis for ordinary webpages. It can be used similar as Joomla! or Drupal…


  • Install CMSimple on Ubuntu

    Basic Information Many websites in the internet run on Content Management Systems (CMS) nowadays. A CMS provides a relatively easy way to publish web content to the internet. The good thing about a CMS is that no software development skills are necessary. Although there are often good templates and plugins provided the fine tuning to…


  • Install and Test Confluence Wiki and MySQL on Ubuntu

    Basic Information Confluence is a Wiki system comparable with MediaWiki. In companies it is used for documentation purposes and as an information hub. It is basically a commercial software and Atlassian is the company behind it. It is possible to have a free installation with some limitations or to buy a license to have an…


  • Install Joomla! and MySQL on Ubuntu

    This tutorial is about installing the Content Management System (CMS) Joomla! and the Database system MySQL on Ubuntu. Joomla! is one of the most popular CMS nowadays. It provides an easy way to set up web pages and to publish content in the internet. Joomla! is a typical CMS while other software like WordPress is…


  • Install MediaWiki and MySQL on Ubuntu

    Basic Information The aim of this tutorial is to have MediaWiki running on a Ubuntu PC. MediaWiki is basically a web based system which provides information to visitors. This information can be modified by multiple users. In companies it is used to documentation and collaboration purposes. The famous website “Wikipedia” has as its base system…


  • Minix – First Steps

    I want to introduce a UNIX teaching system to you called Minix which means Mini Unix. A quite interesting system, is licensed under a BSD license and comes with pkgin package manager. During the last years no new versions were released – the current stable version is 3.3.0 since the year 2014. I used Virtual…


  • Rootkit Scan with Ubuntu Live System

    Basic Information Sometimes it is the case that Linux, like other Operating Systems, shows odd behavior. And in some cases the cause of the odd behavior cannot be comprehended although log files are verified and the hardware is checked. I had this problem too often in the past years. Then often I check the system…


  • 9 Steps for Securing a Linux Server

    Sometimes it is necessary to highly secure a Linux Server which keeps sensitive data. I want to provide a list of best practice tips, which are a good starting point if you want to keep your data and Server secure. The steps below, applied to a server which is in a secured LAN Network, will…


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