How to set a root password on Ubuntu 22.04 Jammy Jellyfish Linux

How to set a root password on Ubuntu 22.04 Jammy Jellyfish Linux

Although it is conventional to log into the root account on some Linux systems, by default Ubuntu 22.04 does not allow us to log into root and instead expects us to achieve root permissions through use of sudo. However, it is still possible to set a root password and subsequently log directly into root. In this tutorial, you will see how to set a password for the root account on Ubuntu 22.04 Jammy Jellyfish.

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Restarting NGINX web server on Linux

How to restart NGINX on Linux

NGINX is popular web hosting and reverse proxy software for Linux systems. Like many other applications and services, it occasionally needs restarted. Restarting is especially common when making updates to configuration files. You’ll always need to restart or reload NGINX for the changes to take effect.

In this article, we’ll go over a couple different command line options for restarting and reloading an NGINX server. In addition, you’ll learn how to check the NGINX configuration file for mistakes before restarting NGINX. After all, you wouldn’t want to load up a configuration that contains errors.

In this tutorial you will learn:

  • How to reload NGINX (no effect on client connections)
  • How to completely restart NGINX

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Reset GNOME Desktop Settings to Factory Default on Ubuntu 22.04 Jammy Jellyfish

Reset GNOME Desktop Settings to Factory Default on Ubuntu 22.04 Jammy Jellyfish

Have you made customizations to your GNOME desktop environment that you later regretted? Good news, you can easily reset GNOME to the defaults and restore all the original settings. In this tutorial, you will learn how to reset your GNOME Desktop Settings to Factory Default on Ubuntu 22.04 Jammy Jellyfish. The reset will put your desktop appearance and all settings, shortcuts, wallpapers and etc. to the factory default.

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Cinnamon Desktop on Ubuntu 22.04 Jammy Jellyfish

Ubuntu 22.04 Cinnamon Desktop installation

By default, Ubuntu 22.04 Jammy Jellyfish sports the GNOME desktop environment, or no GUI at all in the server edition. If you would like to change things up and install Cinnamon instead, the GUI can be downloaded and installed directly from Ubuntu’s package repositories. In this tutorial, you will see how to install Cinnamon Desktop as an alternative desktop environment on Ubuntu 22.04 Jammy Jellyfish Desktop/Server Linux.

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Prompt asking us to register the Red Hat system in order to receive updates

There are no enabled repositories RHEL solution

You may receive a There are no enabled repos error message when trying to install system updates on a fresh Red Hat Linux install. This occurs when you have not enabled your RHEL subscription. In this tutorial, we will take you through the step by step instructions to register your RHEL subscription, enable the package manager, and finally install updates and remedy the error message for good.

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Netplan static ip on Ubuntu configuration

Netplan static IP on Ubuntu configuration

In this article we will discuss a netplan static IP configuration on Ubuntu Linux. Netplan allows for straightforward network IP address configuration using human-readable data-serialization language YAML. The article will also discuss a default Netplan network settings and the location of the Netplan configuration file.

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How to use bash array in a shell script

How to use bash array in a shell script

In this tutorial we will see how to use bash arrays and perform fundamental operations on them. Bash, the Bourne Again Shell, it’s the default shell on practically all major linux distributions: it is really powerful and can be also considered as a programming language, although not as sophisticated or feature-reach as python or other “proper” languages. Furthermore, the Bash scripting is a must skill for any Linux system administration job.

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How to obtain MAC address in Linux

How to obtain MAC address in Linux

Every network interface, on any device, has its own MAC address. Unlike IP addresses, which can change frequently and easily, MAC addresses are permanently tied to the hardware. Although you can spoof your MAC address with software, the real MAC address of your network interface will never change.

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