The objective of this tutorial is to set a root password on Ubuntu 20.04 Focal Fossa Linux.
In this tutorial you will learn:
- How to set root password
administration
Firewall – ufw status inactive on Ubuntu 20.04 Focal Fossa Linux
The objective of this tutorial is to activate the UFW firewall on Ubuntu 20.04 Focal Fossa Linux.
In this tutorial you will learn:
- How to check UFW status
- How to activate UFW
How to change FQDN ( domain name ) on Ubuntu 20.04 Focal Fossa Linux
In this tutorial you will learn how to set / change server’s Fully Qualified Domain Name (FQDN) on Ubuntu 20.04 Focal Fossa Linux server or desktop.
In this tutorial you will learn:
- How to change or set FQDN via
/etc/hosts
How to hibernate Ubuntu 20.04 Focal Fossa Linux Desktop
The objective of this tutorial is to hibernate ( suspend to disk ) the Ubuntu 20.04 Focal Fossa Linux Desktop.
In this tutorial you will learn:
- How to hibernate the Ubuntu system from command line
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
How to restart Apache on Ubuntu 20.04 Focal Fossa
The objective of this article is to provide the user with information on how to restart Apache 2 web-server on Ubuntu 20.04 Focal Fossa.
In this tutorial you will learn:
- How to gracefully reload Apache
- How to restart Apache
How to enable Automatic Login on Ubuntu 20.04 Focal Fossa
The objective of this guide is to enable Automatic Login on Ubuntu 20.04 Focal Fossa Linux GNOME desktop with GDM display manager.
In this tutorial you will learn:
- How to enable automatic user login from GUI
- How to enable automatic user login from command line
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.
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
How to disable AppArmor on Ubuntu 20.04 Focal Fossa Linux
In this tutorial you will learn how to disable AppArmor for a particular process or how to disable it entirely on Ubuntu 20.04 Focal Fossa Linux.
In this tutorial you will learn:
- How to disable AppArmor for a particular process
- How to disable AppArmor completely
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
How to enable/disable Universe, Multiverse and Restricted repository on Ubuntu 20.04 LTS Focal Fossa
In this tutorial you will learn how to enable or disable Universe, Multiverse and Restricted repository on Ubuntu 20.04 LTS Focal Fossa Linux Desktop or Server.
In this tutorial you will learn:
- How to enable Universe, Multiverse and Restricted
- How to disable Universe, Multiverse and Restricted
- How to check for enabled repositories
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.
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