The post outlines how to mute or unmute sound on Ubuntu Linux via the system menu or the settings app. For the system menu, users can click on the top bar's right side and adjust the volume slider. For the settings app, users should navigate to the System Settings -> Sound panel and adjust the volume slider. Certain keyboards allow volume adjustments via keys located near the function (F) keys.

This article provides steps to adjust the sound volume in Ubuntu Linux, summarizing the fastest way through the system menu on the top bar. It guides you to increase, decrease, or mute the volume by moving the slider once the system menu is opened. It also outlines the process of adjusting volume through the Ubuntu Linux settings app, and utilizing certain keyboard keys to control the volume.

The post details how to add a second or external monitor in Ubuntu Linux, which automatically detects additional displays. If adjustment is needed, users can change the settings through Ubuntu's system settings app, permitting different display modes including joint displays, mirrored content, or single display. Configuration entails selecting orientations, resolution or scale, and refresh rate if necessary. After changes are applied, the settings will revert within 20 seconds if not saved.

The post outlines how to change the desktop background in Ubuntu Linux. Users have the option to use pre-included images or set their own. This can be done by right-clicking the image file in File Manager and choosing 'Set as Wallpaper', or navigating through the System Settings. It also notes that some wallpapers are dynamic and change throughout the day.

The post provides instructions to change display orientation using Ubuntu Linux. Screen orientation options include Landscape, Portrait Right, Portrait Left, or Landscape (flipped). The rotation function is a built-in feature in Ubuntu, also available with Intel, NVIDIA, or AMD graphics cards. Modifications can be made from the System Settings panel, under the Display name option, where orientation can be selected and applied.

The post provides a detailed guide on how to enable or disable the Night Light feature in Ubuntu Linux, which can help alleviate eye strain and sleeplessness caused by a computer's blue light emission. The Night Light feature converts the display colors into warmer versions, and its settings and activation can be easily managed through the System Settings panel.

The post provides an easy guide to enable or disable the 'Do Not Disturb' feature in Ubuntu Linux, which mitigates disruptions by silencing notification banners. Users can adjust this setting either through the Ubuntu Linux Settings App or simply by clicking on the Clock. Even after disabling, notifications are accessible from the notification list. Individual application notifications can also be managed.

The post details how to modify Ubuntu Linux's default setting of automatically suspending when a laptop's lid is closed. By using the 'systemd' and changing a command line, or installing 'Gnome Tweaks', users can alter the setting so closing the laptop lid doesn't trigger sleep mode.

This content provides instructions on increasing font size in Ubuntu Linux using two methods. The first method involves adjusting the 'Large Text' switch in the 'System Settings' -> 'Privacy' -> 'Accessibility' setting. The other approach uses the command line, where the command 'gsettings set org.gnome.desktop.interface text-scaling-factor 1.5' is run. Both methods should successfully enlarge text size for increased readability.

This content guides on enabling or disabling the display of recently used files on Ubuntu Linux. Ubuntu tracks recent files to enhance productivity and ease file location, however, this can raise privacy concerns. The system settings panel provides options to adjust file history settings, including the possibility to clear the history or specify its retention duration.

This post guides through the process of opening File Manager (nautilus) as an administrator in Ubuntu Linux. It explains that, as a normal user, using the sudo command in the terminal console allows you to launch the file manager with root privileges. This enables editing and deleting of files owned by the root user.

The post provides steps to hide or display hidden files in Ubuntu Linux's File Manager. To see hidden files, users can click the view options button and select show hidden files, or use the CTRL + H shortcut. To hide files, they should be renamed with a dot preceding the filename. Hidden files stay in the original folder but are absent from the normal view.

The article provides a detailed guide on creating a startup disk in Ubuntu Linux. It requires at least a 2GB flash drive and an ISO image of Ubuntu which will be used in the Startup Disk Creator tool. The entire process should take less than ten minutes. It's important to note that any existing data on the flash drive will be erased when the startup disk is created.

This post provides a step-by-step guide on how to change, add or remove an account profile picture in Ubuntu Linux through the System Settings panel. If no image is added, a default black image space appears. The profile picture allows for user identification on the login screen.

The content provides a guide on how to set up automatic login in Ubuntu Linux. It explains how to access the system settings and adjust user account configurations to enable or disable password-free login on startup. This makes it unnecessary for users to type in passwords every time the computer starts.