Ubuntu Linux

The article provides step-by-step instructions on installing Eclipse Mosquitto MQTT, an open-source message broker, on Ubuntu Linux. It also guides users on enabling and verifying its service, setting up authentication, and using terminal commands for exchanging messages via MQTT. Furthermore, it highlights additional security measures: creating SSL/TLS certificates and enabling WebSockets protocol for Mosquitto.

The article provides a comprehensive guide on installing and using FOSSBilling on Ubuntu Linux. FOSSBilling is an efficient, open-source web platform for managing and automating billing and client communication. The installation process involves setting up and integrating the Nginx web server, MariaDB database server, and PHP. It also provides steps for downloading and configuring FOSSBilling files. Further, it outlines procedures to ensure the system auto-starts on server boot and enables SSL using Let's Encrypt.

The article offers a guide on how to toggle the logout prompt feature on Ubuntu Linux, ensuring users don't accidentally log out and lose unsaved changes. Users can turn this feature on or off through the gnome-session settings. This can be completed either via commands on the Terminal app or through the Dconf Editor tool for low-level system configurations.

The article outlines steps to enable or disable the logout functionality on the Ubuntu desktop. Users can typically log out via the system menu on the top bar. However, to restrict this, users can disable the log out command through the Terminal app or the Dconf Editor tool. This manipulation is reversible and can be reset to its original state.

The article provides a guide on how to download and use Bing Wallpaper on Ubuntu Linux OS. Bing Wallpaper changes desktop background daily with new images from across the globe. Users can install this feature through the Extension Manager in the Ubuntu Software Center, allowing them to customize their desktops with Bing's ever-changing images.

The article provides instructions on how to display seconds on the top menu bar clock in Ubuntu Linux, typically shown in military format. Users can accomplish this through the Terminal app or the Dconf Editor tool for low-level system configurations. The guide also explains how to reverse the changes.

The article provides a guide on how to display or hide the day of the week on the top menu bar of an Ubuntu Linux desktop. It explains how to use the Terminal app for this purpose, typing specific commands to enable or disable the feature. The article additionally suggests the use of Dconf Editor for altering system configurations and settings. This tool, similar to Windows Registry Editor, needs to be installed as it is not included in Ubuntu Linux by default.

This article provides detailed steps to display weather information on Ubuntu Linux's top menu bar. Because Ubuntu's default top menu bar only shows time, additional packages, Gnome Weather and Weather O'Clock extension, need to be installed for this feature. The installation is performed via the Ubuntu Software Center or the Terminal app.

The article provides a detailed guide on how to change the system clock format either to 12-hour or 24-hour in Ubuntu Linux. Three routes are mentioned: through the System Settings panel, via command terminal console commands, or using the Dconf Editor. The time format change applies to the desktop and can be utilized in documents and applications.

The article discusses how to enable or disable mounting external storage devices as read-only on Ubuntu Linux. This can be done using Terminal commands or the Dconf Editor tool. These steps ensure that any external storage connected to Ubuntu becomes non-writable, protecting personal and confidential data from being saved on these devices.

The article provides a guide on how to enable or disable the "Switch User" command on Ubuntu Linux, an option that allows switching between multiple user accounts without signing out. This option can be modified using the command terminal console or the Dconf Editor. Steps include using specific command lines in terminal or navigating particular paths in Dconf Editor to alter user-switching settings.

The article provides guidance on how to turn on or off visual alerts in Ubuntu Linux computers. These visual alerts can be helpful when a system does not have a sound card or when the user prefers not to disturb others with alert sounds. To enable or disable this feature, one needs to navigate to the System Settings, select Accessibility, then Visual Alerts, and finally choose whether they want to flash the entire window or screen when an alert occurs.