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How to install and configure Docker-ce/Moby Engine on Fedora 32

Even if Red Hat has developed podman and buildah, its own tools to work with containers, which come with some important advantages like a daemonless architecture, you may want to continue using the original Docker software on Fedora. In this tutorial we will explore the options we have on the latest release of the distribution to do so, and will see how to apply the needed fixes for Docker to work correctly.

In this tutorial you will learn:

  • How to install moby-engine
  • How to install docker-ce
  • How to apply the workarounds needed to make Docker run correctly on Fedora 32

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Enabled SELinux on Ubuntu 20.04 Focal Fossa Linux

How to disable/enable SELinux on Ubuntu 20.04 Focal Fossa Linux

The objective of this article is to install, enable and disable SELinux on Ubuntu 20.04 Focal Fossa Linux.

WARNING
Make sure that you know what you are doing! Ubuntu offers AppArmor as an alternative to SELinux. While SELinux is available on Ubuntu, it is rather in an experimental stage and most likely will beak your system if set to enforcing mode. In case you must use SELinux, make sure to disable AppArmor first. Also set SELinux first to permissive mode and check your logs for potential issues before you enable enforcing mode.

In this tutorial you will learn:

  • How to install SELinux
  • How to enable SELinux
  • How to disable SELinux

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Jenkins on Ubuntu 20.04 Focal Fossa Linux

How to install Jenkins on Ubuntu 20.04 Focal Fossa Linux

Jenkins is an automation server that is used to automate software development including: building, testing, and deploying as well as facilitating continuous integration and continuous delivery. The objective of this guide is to install Jenkins on Ubuntu 20.04 Focal Fossa Linux Server/Desktop.

In this tutorial you will learn:

  • How to add Jenkins’s signing key and repository
  • How to install Jenkins
  • How to retrieve the initial Jenkins password
  • How to login to Jenkins

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Guest session on Ubuntu 20.04 Focal Fossa Linux

How to enable Guest session on Ubuntu 20.04 Focal Fossa Linux

The default Ubuntu 20.04 installation uses GDM as a default display manager. Since GDM does not support Guest session in this article you will learn how to switch to and alternative display manager LightDM and enable guest session.

WARNING
Any data created and settings configured using Guest session are temporary and will be deleted at the end of the session ( log out ).

In this tutorial you will learn:

  • How to install LightDM display manager
  • How to switch from GDM to LightDM
  • How to enable Guest session
  • How to login to Guest session

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