Switch to gui linux

How do I switch to GUI in Linux?

press Alt + F7 (or repeatedly Alt + Right ) and you will get back to the GUI session.

How do I switch between GUI and command line in Linux?

To switch back to text mode, simply press CTRL + ALT + F1 . This will not stop your graphical session, it will simply switch you back to the terminal you logged in at. You can switch back to the graphical session with CTRL + ALT + F7 .

How do I switch from tty1 to GUI?

The 7th tty is GUI (your X desktop session). You can switch between different TTYs by using CTRL+ALT+Fn keys.

How do I start Suse on GUI mode?

Enable GUI in SUSE Linux Created symlink from /etc/systemd/system/default . target to /usr/lib/systemd/system/graphical . target. Reboot the server and you will be back greeted with GUI login screen.

What are different run levels in Linux?

A runlevel is an operating state on a Unix and Unix-based operating system that is preset on the Linux-based system….runlevel.

Runlevel 0	shuts down the system
Runlevel 1	single-user mode
Runlevel 2	multi-user mode without networking
Runlevel 3	multi-user mode with networking
Runlevel 4	user-definable

How do I switch between TTYs?

1. Press and hold “Ctrl” and “Alt” at the same time.
2. Press the “F” key corresponding to the TTY you want to switch to. For example, press “F1” to switch to TTY 1 or “F2” to switch to TTY 2.
3. Return to the graphical desktop environment by pressing “Ctrl,” “Alt” and “F7” at the same time.

What is tty1 mode?

TTY mode. Your phone can use an optional teletypewriter (TTY) device, for people who are hard of hearing or have a speech impairment. Plug the TTY device into the phone’s headset connector.

Does Suse Linux have a GUI?

SUSE Linux Enterprise Server includes the X.org server and the GNOME desktop. This chapter describes the configuration of the graphical user interface for all users.

How to switch to GUI mode in SuSE Linux?

I want to switch to GUI mode from terminal interface in SUSE Linux Enterprise Server 10 and How to set GUI interface to default mode. Thanks for contributing an answer to Unix & Linux Stack Exchange!

How do I switch to Virtual Terminal 2?

If you are in a graphical mode (like KDE or GNOME) press Ctrl-Alt-F2 (all at the same time) to switch to virtual terminal 2; when you’re done use: Ctrl+Alt+F7 to switch back to the graphical desktop. You should see the computer awaiting your login: and press Enter. It will then prompt you for root’s password:

What do you mean by virtual terminal in Linux?

Virtual terminal application: – An application that provides a text based environment to access the shell. Since physical terminals are no longer used, it became common practice to use the word terminalto refer the virtual terminal application. Number of virtual consoles Different Linux flavors offer different number of virtual consoles.

How to switch between Virtual Console and GUI?

Each virtual console is independent and separate. To switch between virtual consoles or to return back in GUI from virtual console, you may use only Alt+F (1,2,3,4,5,6) keys. While switching between virtual consoles or accessing GUI from virtual console, Ctrl key is optional. It is required only when accessing virtual console from GUI.

Источник

How to Switch Between CLI and GUI on Linux Server

If we trace the evolution of computers, we can see that initially, we don’t have Mouse. So, we used to interact with computers having Command Line Interface (CLI) only through keyboards passing inputs to perform actions via command line program.

As progressed, now we can easily interact and perform actions via a graphical user interface (GUI) that provides various menus like windows, and buttons. Nowadays people are more inclined and used to GUI-based OS.

Altogether, the computer now comes with an option to work either in the command line or graphical mode. Further, you can also start GUI from the command line and CLI from graphical mode, whichever suits your requirement.

In this article, we’ll see how can we switch between the command line and the graphical interface on Linux Server. But before that, let’s also get an overview of the concept that actually makes changing GUI to CLI and CLI to GUI work.

Init-based Run Levels in Linux

In Linux with an init system manager, the run level defines the operating state of the init process and the whole system and indicates system services that are running.

When the Linux Kernel boots, the init process is the first thing that gets started, and further, it leads to the initialization of other Linux processes.

The moment the init process begins it looks for the value of the default run level of the system. Run level i.e. state of the system is represented in a single-digit integer.

The Standard Linux kernel supports the following seven different run levels:

• 0 – Halt the system
• 1 – Single user mode
• 2 – Multiple user mode with no network file system
• 3 – Multiple user mode under CLI
• 4 – User-definable
• 5 – Multiple user mode under GUI
• 6 – Reboot

By default, if a system has a desktop environment like GNOME or KDE, it boots to graphical run level 5, or else the command line run level 3.

That is why by simply changing the run level of the system you can switch between user interfaces.

Change Init-Based Run Levels in Linux

If you want to know the current run level of your system it is running, type:

To switch to CLI from GUI, change the run level to 3 by running:

Enter and password and you’ll be redirected to the command line mode where you need to log in again.

Likewise, if you want to come back to GUI from CLI, type the following in the command line:

Set A Default Init Run Level

Want to boot your system directly to the command line at startup? You need to make run level 3 as default by modifying the following line in the /etc/inittab file (you’ll not find this file in Linux with Systemd system manager):

Similarly, replace 3 with 5 to make GUI as default run level in Linux.

Systemd-Based Boot Target In Linux

Currently, the majority of Linux distributions have already replaced the old init system with the modern systemd system manager. Hence, instead of the runlevel concept, we need to use the Systemd-based target concept to switch between CLI and GUI in Linux.

Similar to runlevel 3 for CLI and runlevel 5 for GUI, systemd has a corresponding target multi-user.target for CLI and graphical.target for GUI.

By executing the below command, you can list all systemd active targets:

$ systemctl list-units --type target

Switching Boot Targets Between CLI and GUI in Linux

Now, to change the target manually or switch to command line mode from GUI, you can use the systemctl command with isolate subcommand in the given below format:

$ sudo systemctl isolate multi-user.target

To switch back to GUI from command line mode, specify graphical.target with the command:

$ sudo systemctl isolate graphical.target

Set A Default SystemD Target in Linux

As you boot the Linux system, it loads the default target. So, you can identify the current default target using the systemctl command along with the get-default subcommand:

$ sudo systemctl get-default

And to change the current target and set it as default for all next boot, use the set-default option with multi-user.target for CLI or graphical.target for GUI as argument:

$ sudo systemctl set-default multi-user.target [For CLI] $ sudo systemctl set-default graphical.target [For GUI]

Next, reboot the system to apply the default target:

Keyboard Shortcut To Switch Between CLI and GUI

If you already have a desktop environment on your Linux system, you can also switch between your graphical desktop and command line text mode by simply pressing CTRL + ALT + N . Here Replace N with numbers 1 to 7.

Linux has by default six text terminals and one graphical terminal. So, to switch to command line mode, you can press CTRL + ALT + F1/F2/F3/F4/F5/F6 and switch back to the graphical mode by pressing CTRL + ALT + F7 .

Keyboard Shortcut is only helpful temporarily as we cannot use it set the default mode for permanent the way we can in the above Init or Systemd-based methods.

Conclusion

Though GUI is the most prevalent way of using Linux systems, CLI is still relevant as it helps in troubleshooting if GUI fails or system resources is too less to support GUI.

That is why it’s worth knowing how we can switch between graphical and command modes and also set either as default. As we learned, this can be done in various ways like by the modern way of changing the boot target in systemd, Keyboard shortcuts, and legacy init system manager.

Источник

Switching between console and GUI in ubuntu

When in GUI mode, is there a CLI commands that kills the GUI and drops me into the console? When in CLI mode, is there a CLI command that drops me into the GUI? I found startx , but this drop me into the GUI without the unity interface, how do I launch anything? I found service lightdm start which drops me into the GUI with the unity interface. I found service lightdm stop which drops me into a blank black screen with no CLI input capability. I found the Ctl + Alt + F* sends me back between console and GUI, but it does not kill the GUI. I want to kill the GUI if I don’t want to use it anymore.

2 Answers 2

Since 16.04 (and possibly 15.10, but I skipped everything between 14.04 and 16.04. ), you are expected to use systemctl instead:

To start lightdm , you will get the lightdm prompt (login screen) first:

sudo systemctl start graphical.target 

Then to leave X-Windows start multi-user instead:

sudo chvt 1 && sudo systemctl start multi-user.target 

chvt means «Change Virtual Terminal», because otherwise you get on vt 7 which will look like something is broken. You can use the Alt-F1 to Alt-F7 or even Alt-F8 to switch between terminals.

For more information about systemd, check out the systemd wiki. I am still learning myself!

The graphical.target file is found under /lib/systemd/system/graphical.target and looks like this (16.04 version):

# This file is part of systemd. # # systemd is free software; you can redistribute it and/or modify it # under the terms of the GNU Lesser General Public License as published by # the Free Software Foundation; either version 2.1 of the License, or # (at your option) any later version. [Unit] Description=Graphical Interface Documentation=man:systemd.special(7) Requires=multi-user.target Wants=display-manager.service Conflicts=rescue.service rescue.target After=multi-user.target rescue.service rescue.target display-manager.service AllowIsolate=yes 

The multi-user.target file is found under /lib/systemd/system/multi-user.target and looks like this (16.04 version):

# This file is part of systemd. # # systemd is free software; you can redistribute it and/or modify it # under the terms of the GNU Lesser General Public License as published by # the Free Software Foundation; either version 2.1 of the License, or # (at your option) any later version. [Unit] Description=Multi-User System Documentation=man:systemd.special(7) Requires=basic.target Conflicts=rescue.service rescue.target After=basic.target rescue.service rescue.target AllowIsolate=yes 

Источник