Category: Blog

31. May 2022

Dell Technologies World 2022

Today I want to tell you about my unique experience from my first participation of the Dell Technologies World 2022 in Las Vegas. It was like a theme park for passionated technologists. First, let me start with my incredible view from my hotel room – wow: Right after the breakfast, I came across one of our Computacenter banners: After that, the first session – Dell […]

11. April 2022

Creating Ubuntu OS Custom ISO

As part of a customer project I had to do a complete offline installation of an Ubuntu server with various packages: Linux: nano zip unzip tree make java (JRE & JDK) ant openssh net-tools htop Python 3.6.9 (prereqs for Python are gcc openssl-devel bzip2-devel libffi-devel) Python: paramiko pandas ntc-templates After a little research on the internet, I found out that downloading .deb files is not […]

24. March 2022

How to Install Bitwarden Password Manager on Debian 11

Bitwarden is an open-source solution that lets you manage your accounts and protect them with passwords of varying complexity. For this purpose, the program also offers a two-step authentication process, among other things. As with most popular password managers, Bitwarden secures data using 256-bit AES encryption. The data vault is then accessed via a master password, which they must assign during the installation process. The […]

22. March 2022

How to install Bitwarden Password Manager on CentOS Stream 8

Bitwarden is an open-source solution that lets you manage your accounts and protect them with passwords of varying complexity. For this purpose, the program also offers a two-step authentication process, among other things. As with most popular password managers, Bitwarden secures data using 256-bit AES encryption. The data vault is then accessed via a master password, which they must assign during the installation process. The […]

19. March 2022

How to install and upgrade Portainer – Best Docker UI Manager

Portainer is an open source container management tool that eliminates the need to write code. For this, Portainer provides a graphical user interface for everything that can be realized via a Docker command line. Within Ecosystem, Portainer allows users to manage their own containerized applications, for example, customer applications or tools for internal use. This applies both to containers operated individually and to operation on […]

18. March 2022

Install Docker Compose on CentOS Stream 8

This guide will show you how to Install the Latest Docker Compose on CentOS Stream 8. Docker Compose is a tool designed to define and release multicontainer applications. With Compose, you can create a YAML file to define the services that you can start or stop with a single command. Definitely, access to the Terminal as a user with sudo privileges. Step 1: You need […]

17. March 2022

VMware ESXi 7.0 – Remove Host Client session timeout

In VMware ESXi 7.0 the Host Client Web Interface session timeouts automatically every 15 minutes and then you have to log back in to the ESXi Host Client Web Interface again. To avoid this tedious situation you can increase the session timeout changing an advanced configuration parameter in the ESXi Host Client Web Interface. !!! WARNING !!! For security reasons, timouts should be kept low and not removed. Using your […]

15. March 2022

Install Docker on CentOS Stream 8

In this Tutorial I will show you how to install Docker on CentOS Stream 8. Docker is a popular open source tool that provides a portable and consistent runtime environment for software applications. Docker uses containers as isolated environments in user space that run at the operating system level and share the file system and system resources. There are two editions of Docker available. Community […]

8. March 2022

How to back up ESXi host configuration

This article provides steps to back up and restore the ESXi host configuration. There are two conditions that need to be satisfied: 1 – The destination build number of the host matches the build from which the backup was taken.2 – The UUID of the host remains the same. You can backup and restore the host configuration using one of these methods: ESXi Command line […]

1. March 2022

Update to Python 3.9 on CentOS Stream 8

In today’s guide you’ll learn to install Python 3.9 on CentOS Stream 8 Linux system. Python is general-purpose, interpreted and high-level programming language originally created by Guido van Rossum. Python is created for simplicity, deep integration and great extensibility. You can achieve much more with Python using powerful libraries and tools, including Django, Pygame, Matplotlib, Plotly, e.t.c. In the next steps we look at the […]