3.5. Lock, Restart, Logout, Suspend, Reboot, Shutdown ...
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### 3.5. Lock, Restart, Logout, Suspend, Reboot, Shutdown ...

This section describes how to log out of and exit the desktop, how to lock X display to prevent unauthorized use of your system when you are away from it and have not logged out, how to restart NsCDE, suspend the system into S3 sleep mode (if supported), reboot and shutdown the system.

Figure 12. Sytem Action Dialog

For more information see SysActionDialog section.

#### 3.5.1. Lock the screen

To prevent unauthorized use of the system when you are away from it and have not logged out, click the Lock control in the Front Panel. It is located left from the first Workspace Manager button. The Xscreensaver if enabled and installed will appear. If Xscreensaver is configured to lock the screen, you will have to provide password to unlock it and get the desktop back.

#### 3.5.2. Restarting NsCDE desktop

Sometimes, while changing parameters in `NsCDE.conf` or upgrading NsCDE, or because of some problem, it is necessary to restart NsCDE and FVWM. There are two dialogs and 3 ways to do this.

Restart with System Action Dialog:

- Click on the Exit icon right bottom of the Workspace Manager, or choose Log out ... from the bottom of the Workspace Menu. Workspace Menu can be invoked with mouse button 1, or by opening menu by pressing Menu+Menu, that is, Menu key twice. Item Log out ...can be choosen with the "g" mnemonic, or clicked with the mouse button 1.

- System Action dialog appears. From the popup select X Window System: Window Manager Restart with mouse button 1, or Arrow Up and Arrow Down keys.

- Click Confirm or press Ctrl+Return to confirm. FVWM and NsCDE restarts.

Restart with Restart dialog:

- Press Menu+Menu or click with mouse button 3 on the empty space of the backdrop to get Workspace Menu. Choose Restart NsCDE ... near the bottom of the Workspace Menu. This can be done with mouse pointer 1, or by pressing the "r" mnemonic.

- Restart dialog appears with the question "Restart NsCDE". Click the Ok button or press Return. FVWM and NsCDE restarts.

Restart from the terminal command line:

- From the Front Panel's default fourth button click the icon of the terminal, or from Workspace Menu choose Terminal to open default terminal emulator.

- Terminal window appears. Type nscde_fvwmclnt Restart and press return. FVWM and NsCDE restarts.

#### 3.5.3. Logout from NsCDE and X session

- Click on the Exit icon right bottom of the Workspace Manager, or choose Log out ... from the bottom of the Workspace Menu. Workspace Menu can be invoked with mouse button 1, or by opening menu by pressing Menu+Menu, that is, Menu key twice. Item Log out ...can be choosen with the "g" mnemonic, or clicked with the mouse button 1.

- System Action dialog appears. From the popup select X Window System: Logout with mouse button 1, or Arrow Up and Arrow Down keys.

- Click Confirm or press Ctrl+Return to confirm.

Logout from the terminal command line:

- From the Front Panel's default fourth button click the icon of the terminal, or from Workspace Menu choose Terminal to open default terminal emulator.

- Terminal window appears. Type nscde_fvwmclnt Quit and press return. Note that this option will not perform any housekeeping.

#### 3.5.4. Suspend the system

- Click on the Exit icon right bottom of the Workspace Manager, then choose Suspend System ... with mouse or Arrow Up/Arrow Down keys, or choose Suspend System ... from the bottom of the Workspace Menu. Workspace Menu can be invoked with mouse button 1, or by opening menu by pressing Menu+Menu, that is, Menu key twice. Item Suspend System ...can be choosen with the "s" mnemonic, or clicked with the mouse button 1.

- In the later case, System Action dialog appears. With Operating System: Suspend/Sleep menu item already selected. In the former case, it must be selected with keyboard or mouse as described above.

- Click Confirm or press Ctrl+Return to confirm.

Suspend from the terminal command line can vary across different flavors of Unix and even Linux. NsCDE implements wrapper $NSCDE_LIBDIR/acpimgr for portable way to do system suspend, hiberbate, hybrid suspend, poweroff/shutdown and reboot. Notice however that this wrapper must be called with sudo(8) or pfexec(1) on systems which are not detecting and implementing local user recognition policy like Linux systems with systemd(1).

Generally, one of this should work:

    $NSCDE_LIBDIR/acpimgr suspend

or

    sudo $NSCDE_LIBDIR/acpimgr suspend

For the second example to work, a proper sudo(1) authorizations for the user or group must be implemented on the system. For such example, see `$NSCDE_ROOT/share/doc/nscde/examples/sudo/006_PowerManager`.

#### 3.5.5. Reboot the system

- Click on the Exit icon right bottom of the Workspace Manager, or choose Log out ... from the bottom of the Workspace Menu. Workspace Menu can be invoked with mouse button 1, or by opening menu by pressing Menu+Menu, that is, Menu key twice. Item Log out ...can be choosen with the "g" mnemonic, or clicked with the mouse button 1.

- System Action dialog appears. From the popup select Operating System: Reboot with mouse button 1, or Arrow Up and Arrow Down keys.

- Click Confirm or press Ctrl+Return to confirm.

Reboot from the terminal command line can vary across different flavors of Unix and even Linux. NsCDE implements wrapper $NSCDE_LIBDIR/acpimgr for portable way to do system suspend, hiberbate, hybrid suspend, poweroff/shutdown and reboot. Notice however that this wrapper must be called with sudo(8) or pfexec(1) on systems which are not detecting and implementing local user recognition policy like Linux systems with systemd(1).

Calling NsCDE acpimgr directly should work in one or more of this ways:

    $NSCDE_LIBDIR/acpimgr reboot

or

    sudo $NSCDE_LIBDIR/acpimgr reboot

For the second example to work, a proper sudo(1) authorizations for the user or group must be implemented on the system. For such example, see `$NSCDE_ROOT/share/doc/nscde/examples/sudo/006_PowerManager`.

#### 3.5.6. Shutdown the system

- Click on the Exit icon right bottom of the Workspace Manager, or choose Log out ... from the bottom of the Workspace Menu. Workspace Menu can be invoked with mouse button 1, or by opening menu by pressing Menu+Menu, that is, Menu key twice. Item Log out ...can be choosen with the "g" mnemonic, or clicked with the mouse button 1.

- System Action dialog appears. From the popup select Operating System: Shutdown with mouse button 1, or Arrow Up and Arrow Down keys.

- Click Confirm or press Ctrl+Return to confirm.

Shutdown from the terminal command line can vary across different flavors of Unix and even Linux. NsCDE implements wrapper $NSCDE_LIBDIR/acpimgr for portable way to do system suspend, hiberbate, hybrid suspend, poweroff/shutdown and reboot. Notice however that this wrapper must be called with sudo(8) or pfexec(1) on systems which are not detecting and implementing local user recognition policy like Linux systems with systemd(1).

Calling NsCDE acpimgr directly should work in one or more of this ways:

    $NSCDE_LIBDIR/acpimgr poweroff

or

    sudo $NSCDE_LIBDIR/acpimgr poweroff

For the second example to work, a proper sudo(1) authorizations for the user or group must be implemented on the system. For such example, see `$NSCDE_ROOT/share/doc/nscde/examples/sudo/006_PowerManager`.

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