Applies to openSUSE Leap 42.1

3 Customizing Your Settings

You can change the way the GNOME desktop looks and behaves to suit your own personal tastes and needs. Some possible changes of settings are:

These settings and others can be changed in the All Settings dialog.

3.1 The GNOME Settings Dialog

YaST is a desktop-independent system-wide tool to configure most aspects of your openSUSE Leap installation. For example, it lets you configure hardware settings, network devices and services, software management or virtualization. The settings dialog is a GNOME configuration tool and focuses on look and feel, personal settings and preferences of your GNOME desktop.

To access the settings dialog, click Applications › System Tools › Settings. The dialog is divided into the following three categories:

Personal

Go here to change your login password, language settings and keyboard layout. You can also modify the desktop background or set up accounts for e-mail, chat and cloud providers. For more information, see Section 3.2, “Personal”.

Hardware

Allows you to configure hardware components such as monitors, printers, mouses/touchpads, network adapters and sound devices. You can also change key combination settings and set up power-saving features. For more information, see Section 3.3, “Hardware”.

System

Lets you configure system settings such as date and time, whether to start software when inserting USB drives or whether you want to share your screen with others. You can also set up user accounts. If you want, you can also start YaST from this screen, though it is also available separately from within the menu. For more information, see Section 3.4, “System”.

GNOME Settings Dialog
Figure 3.1: GNOME Settings Dialog

To change some system-wide settings, the control center will prompt you for the root password and start YaST. This is mostly the case for administrator settings (including most of the hardware, the graphical user interface, Internet access, security settings, user administration, software installation and system updates and information). Follow the instructions in YaST to configure these settings. For information about using YaST, refer to the integrated YaST help texts or to the Book “Start-Up.

This chapter focuses on individual settings you can change directly in the GNOME settings dialog, without having to use YaST.

3.2 Personal

The following sections introduce examples of how to configure some personal aspects of your GNOME desktop, like your languages used or desktop backgrounds.

3.2.1 Changing the Desktop Background and Lock Screen Appearance

The desktop background is the image or color that is applied to your desktop. You can also customize the image shown when the screen is locked.

To change the desktop background or the lock screen:

  1. Click Applications › System Tools › Settings › Background.

  2. Click Background or Lock Screen.

  3. Click Wallpapers, Pictures, or Colors.

    Wallpapers are preconfigured images distributed with your system. Pictures are your own images from your Pictures directory (~/Pictures). Colors are predefined colors chosen by GNOME developers.

  4. Choose an option from the list.

  5. When you are satisfied with your choice, click Select.

3.2.2 Configuring Language Settings

openSUSE Leap can be configured to use any of several languages. The language setting determines the language of dialogs and menus and can also determine the keyboard and clock layout.

To configure your language settings click Applications › System Tools › Settings › Region and Language.

Here you can choose:

  • Interface language

  • Date and number formats, currency and related options

  • Input sources (for many languages that means keyboard layouts only, though for non-alphabetic languages there can be additional settings)

3.3 Hardware

In the following sections you will find examples of how to configure some hardware aspects of your GNOME desktop, including keyboard or mouse preferences, handling of removable drives (and other media) or screen resolution.

3.3.1 Configuring Bluetooth Settings

The Bluetooth module lets you set the visibility of your machine over Bluetooth and connect to available Bluetooth devices. To configure Bluetooth connectivity, follow these steps:

  1. Click Applications › System Tools › Settings › Bluetooth to open the Bluetooth settings module.

  2. To use Bluetooth, turn the Bluetooth switch on.

  3. To make your computer visible over Bluetooth, turn the Visibility switch on. You do not need this option to be turned on to connect to a Bluetooth device after the initial setup.

    Note
    Note: Temporary Visibility

    Visibility is only meant to be used temporarily. You do not need this option to be turned on to connect to a Bluetooth device after the initial setup.

    However, on openSUSE Leap, the Visibility setting will not automatically be turned off after a certain period of time. Instead, you will need to turn it off yourself.

  4. The Devices list contains all known Bluetooth devices. At first, it may be empty.

    To add a device to the list, click the plus icon in the lower left corner.

  5. On the device you want to connect, turn on Bluetooth connectivity and visibility.

  6. Select the desired device from the list.

    To filter for a specific device, open the drop-down box next to Device Type and choose a type such as Phone. To see all available devices, use All Types.

    To change whether to use a PIN, click PIN Options. Then select the appropriate option. However, usually you do not need to change PIN options.

  7. Click Continue. You will now need to wait for a few seconds.

  8. If a PIN was used, confirm whether the PIN of the two devices matched. You need to do this on both devices. The device should now be connected.

    Depending on the device type, you can now either see it as a storage device in GNOME Files, set a volume for it in the Sound settings or other things.

To remove a device from the list, select the device and click the minus icon.

To connect to a Bluetooth device, select the device in the list and turn the Connection switch on. You can send files to the connected device using the Send Files button. If you are connected to a device such as a mobile phone, you can use it as a network device by activating the appropriate option.

3.3.2 Configuring Power Settings

  1. Click Applications › System Tools › Settings › Power to open the Power settings module.

  2. In the upper part of the dialog, you can see the current state of the battery.

  3. In the Power Saving section of the dialog, set the Screen Brightness to conserve power. You can also set whether to dim the screen after a period of inactivity and set the time interval. You can also set whether to turn off wireless networking after the period of inactivity.

  4. In the Suspend and Power Off section of the dialog, set the Automatic Suspend. When you click it, a separate dialog opens.

    In it, you can turn on automatic suspending and associated time intervals. If you are using a computer with a battery, you can set these separately for computer running on battery power or plugged in.

    You can also set the action performed when the battery power is critical. Choose Hibernation to use a mode where the computer turns off completely but saves your running session to the hard disk. Alternatively, choose Power Off to turn the computer off without saving the session.

3.3.3 Modifying Keyboard Settings

To modify keyboard settings (such as key autorepetition and the cursor blink rate), click Applications › System Tools › Settings › Keyboard.

Keyboard Settings Dialog
Figure 3.2: Keyboard Settings Dialog
  • On the Typing tab, you can set some general keyboard preferences, such as enabling keyboard repeat with individual delay and speed options or enabling or disabling the blinking of the cursor and defining the speed.

  • On the Shortcuts tab, you can set key combinations for the desktop.

    To edit a key combination, first click the row. To set a new key combination, hold it down. To disable a shortcut, press <— instead.

To configure keyboard accessibility options, refer to Section 4.4, “Mobility Impairments”. To configure your keyboard layout, refer to Section 3.2.2, “Configuring Language Settings”.

3.3.4 Configuring the Mouse and Touchpad

To modify mouse and touchpad options, click Applications › System Tools › Settings › Mouse and Touchpad.

Mouse and Touchpad Settings Dialog
Figure 3.3: Mouse and Touchpad Settings Dialog
  • In the General section of the dialog, you can set the Primary button orientation (left or right) and the speed of the double-click.

  • In the Mouse section of the dialog, use Pointer Speed to adjust the sensitivity of the mouse pointer.

  • In the Touchpad section of the dialog, you can turn the touchpad on and off. Use Pointer Speed to adjust the sensitivity of the touchpad pointer. You can also disable the touchpad while typing and enable clicks by tapping the touchpad.

  • To test your settings, click Test Your Settings and try the pointing device. Click Done when you are finished.

For configuration of mouse accessibility options, refer to the Section 4.4, “Mobility Impairments”.

3.3.5 Installing and Configuring Printers

The Printers module lets you connect to any available local or remote CUPS server and configure printers.

To start the Printers module, click Applications › System Tools › Settings › Printers. For detailed information, refer to Chapter 6, Managing Printers.

3.3.6 Configuring Screens

To specify resolution and orientation for your screen or to configure multiple screens, click Applications › System Tools › Settings › Displays.

Procedure 3.1: Changing the Settings for a Monitor
  1. To find the right monitor, look for the numbers displayed in the upper left corner of all monitors. To set options for a monitor, click the list item of the monitor. A new dialog appears.

  2. If multiple monitors are attached to the computer, the left part of the dialog will allow you to choose how to use the monitor. You can choose between:

    Primary

    The screen that shows the panel and important messages.

    Secondary Display

    A monitor that expands the desktop of the primary monitor.

    Mirror

    A monitor that mirrors the image on the primary monitor. In terms of resolution, the lowest common denominator will be used.

    Turn Off

    A screen that is not used.

    To rotate the displayed image, use the buttons with the arrows pointing left and right. To mirror the displayed image, use the button with the double arrow icon.

    You can set a different resolution by changing the value next to Resolution. Not all resolutions provide a sharp and unstretched image. To find the best resolution for your monitor, refer to its manual.

  3. When you are done, click Apply.

    The monitors will now readjust. This can take multiple seconds during which the screen can be black or distorted.

    Afterwards, a confirmation dialog will appear.

  4. If the configuration looks correct, click Keep Changes.

    If the configuration is not what you hoped for, click Revert Settings or wait for 20 seconds. The changes will then be reverted.

Monitor Resolution Settings Dialog
Figure 3.4: Monitor Resolution Settings Dialog
Procedure 3.2: Changing the Arrangement of Multiple Monitors

If you are using multiple screens, set up how they are arranged, so you can use the mouse pointer properly across monitors.

  1. Click Arrange Combined Displays.

  2. To find the right monitor, look for the numbers displayed in the upper left corner of all monitors. Click and drag a monitor around to move it.

  3. When you are done, click Apply.

  4. If the configuration looks correct, click Keep Changes.

    If the configuration is not what you hoped for, click Revert Settings or wait for 20 seconds. The changes will then be reverted.

3.3.7 Configuring Sound Settings

The Sound tool lets you manage sound devices and set the sound effects. In the top part of the dialog, you can select the general output volume or turn the sound off completely.

To open the sound settings, click Applications › System Tools › Settings › Sound.

Configuring Sound Settings
Figure 3.5: Configuring Sound Settings

3.3.7.1 Configuring Sound Devices

Use the Output tab to select the device for sound output. Below the list, choose the sound device setting you prefer, for example balance.

Use the Input tab to set the input device volume or to mute the input temporarily. If you have more than one sound device, you can also select a default device for audio input in the Choose a device for sound input list.

3.3.7.2 Configuring Sound Effects

Use the Sound Effects tab to configure whether and how you want sound to be played when message boxes appear.

Specify the volume at which the sound effects will be played under Alert volume. You can also turn the effects on and off.

Select the Alert Sound to use.

3.3.8 Networking

To set up networking options, click Applications › System Tools › Settings › Network.

In the appearing dialog, you can configure wired or wireless connections and proxies and VPNs.

To learn more about setting up network connections, see Book “Reference”, Chapter 28 “Using NetworkManager”.

3.4 System

In the following sections, you will find examples of how to configure some system aspects of your GNOME desktop. These include preferred applications, changing your user password, and session sharing preferences.

To learn more about configuring assistive technologies, see Chapter 4, Assistive Technologies.

3.4.1 Changing Your Password

For security reasons, it is a good idea to change your login password from time to time. To change your password:

  1. Click Applications › System Tools › Settings › Users.

  2. Click the button labeled with dots next to Password.

  3. In the first text box, type your current password.

  4. In the next text box, type a new password.

    You can also click the cog wheel icon at the end of the text box to generate a random password.

  5. Confirm your new password by typing it again in the last text box.

  6. Then click Change.

3.4.2 Setting Preferred Applications

The Preferred Applications module allows you to change the default application for various common tasks such as browsing the Internet, sending mails or playing multimedia files.

Preferred Applications
Figure 3.6: Preferred Applications
  1. Click Applications › System Tools › Settings › Details.

  2. Click Default Applications.

  3. Select one of the available applications from the drop-down box. You can choose an application to handle Web, mail, calendar, music, videos or photographs.

3.4.3 Setting Session Sharing Preferences

The Remote Desktop Preference dialog lets you share a GNOME desktop session between multiple users and set session-sharing preferences.

Important
Important: Sharing Desktop Sessions Affects System Security

Sharing desktop sessions can be a security risk. Use the restriction options available.

Click Applications › System Tools › Settings › Sharing.

Before you can share anything, you need to turn on the switch in the upper part of the dialog. It can also help you if you quickly need to disable all sharing options.

  • To share your public directory over the network, click Personal File Sharing and turn on Share Public Folder On This Network. You can also set a password.

  • To share your desktop session with other users, click Screen Sharing and activate Remote View. To allow other users to control your screen, activate also Remote Control. You can also set a password.

  • To enable logging in via SSH, click Remote Login.

All the sharing screens contain an address which you can give to other users, so they can reach you. To copy a sharing address, click it and select Copy. You can then paste it into an e-mail or messaging software.

3.4.4 Setting Software Updates

The Software Updates tool lets you configure the frequency of update checking and which sources you want to receive updates from.

Click Applications › System Tools › Settings › Software Settings.

For more information, see Book “Start-Up”, Chapter 9 “Installing or Removing Software”, Section 9.4.3 “Configuring the GNOME Software Updater”.

3.4.5 Configuring Administrative Settings with YaST

For your convenience, YaST is available from the Control Panel as well as the Applications menu. For information about using YaST, refer to Book “Start-Up.

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