How do I switch from LightDM to GDM?





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47















How do I switch from the default display manager (Lightdm) to the older display manager (GDM)?










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    47















    How do I switch from the default display manager (Lightdm) to the older display manager (GDM)?










    share|improve this question



























      47












      47








      47


      12






      How do I switch from the default display manager (Lightdm) to the older display manager (GDM)?










      share|improve this question
















      How do I switch from the default display manager (Lightdm) to the older display manager (GDM)?







      command-line lightdm gdm display-manager






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited Jul 11 '12 at 1:55









      Jorge Castro

      37.3k107422618




      37.3k107422618










      asked Jun 17 '12 at 21:21









      Ron BelcherRon Belcher

      238136




      238136






















          5 Answers
          5






          active

          oldest

          votes


















          41





          +100









          Switching from LightDM to the "older" GDM is very easy, and need not even involve opening a terminal.




          Note:




          • If you need/want to do this from a terminal (e.g. recovery console), please scroll below the screenshots for a how-to.


          • Also, the "new" GDM is not covered here because it is not officially available for 12.04 and the unofficial packages do not work for most users.






          Easily switch to GDM with the Software Centre





          1. Open the Software Center, type "gdm" in the search box, and click on Install as shown below, or click on this button: gdm Install gdm



            enter image description here




          2. After you enter your password, you will get the configuration screen shown below. Change lightdm to gdm and click on Forward:



            enter image description here




          3. Restart your computer, and you should now have the "old" GDM login screen; note that you can still select from any available session, including Ubuntu (3D), Ubuntu 2D, Gnome, Gnome Classic, etc.



            enter image description here






          Switch to GDM via the terminal




          1. Open a terminal with Ctrl+Alt+T if you are on the desktop and not in the recovery console.


          2. Type sudo apt-get install gdm, and then your password when prompted or run sudo dpkg-reconfigure gdm then sudo service lightdm stop, in case gdm is already installed.



          3. A "Package Configuration" dialog will be displayed; click OK to proceed to the below screen. Use the arrow-keys to select gdm instead of lightdm, press Tab to move to OK, and press Enter.



            enter image description here



          4. Reboot the computer (you can do this with sudo reboot if in the recovery console).







          share|improve this answer


























          • NOTICE that mateo said that it does not work for 12.04 - that has been my experience. Ron

            – Ron Belcher
            Aug 10 '12 at 21:17











          • I'm sorry? These screenshots were taken on 12.04. Stock gdm works perfectly. All Mateo did was add the one-click install link...

            – ish
            Aug 11 '12 at 0:52











          • In Ubuntu 16.04, if you want to switch from lightdm to gdm you need to type dpkg-reconfigure lightdm to bring up the dialog.

            – Sina
            Nov 2 '16 at 21:33











          • Just a warning related to the terminal instructions for Ubuntu 16.04: when I did sudo service lightdm stop it shut down my window manager and then my computer. Make sure you have saved everything! :) Also I couldn't find "gnome display manager" in the software centre.

            – rmin
            May 16 '17 at 23:57













          • Compared to dozens other who did not, this worked for 17.10 as well, thanks a lot!

            – Tomáš Votruba
            Oct 25 '17 at 14:17



















          14














          These did not work for me for newer versions of gdm. I had to use gdm3 instead of gdm



          sudo dpkg-reconfigure gdm3






          share|improve this answer































            2














            Gnome-display-manager is not broken in 12.04 (or at least it works fine for me), There is no need to reboot the machine. You ran the right commands, but maybe try it this way, also might want to sudo apt-get install gdm just to make sure you have the working version.



            I ran sudo dpkg-reconfigure gdm then sudo service lightdm stop



            after this you will need to press alt+f2 and login from command line.
            Then you will be able to start sudo service gdm start separably.






            share|improve this answer

































              1














              additionally what luis alvez wrote above, for systemd managed systems (15.10 e.g.) use:



              systemctl service stop lightdm
              systemctl service start gdm


              instead of



              sudo service lightdm stop





              share|improve this answer































                0














                additionally to the answers, to use gdm3 and stop lightdm on Ubuntu 18.04:



                sudo dpkg-reconfigure gdm3

                systemctl stop lightdm
                systemctl start gdm3





                share|improve this answer








                New contributor




                Sophia Marie is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.





















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                  5 Answers
                  5






                  active

                  oldest

                  votes








                  5 Answers
                  5






                  active

                  oldest

                  votes









                  active

                  oldest

                  votes






                  active

                  oldest

                  votes









                  41





                  +100









                  Switching from LightDM to the "older" GDM is very easy, and need not even involve opening a terminal.




                  Note:




                  • If you need/want to do this from a terminal (e.g. recovery console), please scroll below the screenshots for a how-to.


                  • Also, the "new" GDM is not covered here because it is not officially available for 12.04 and the unofficial packages do not work for most users.






                  Easily switch to GDM with the Software Centre





                  1. Open the Software Center, type "gdm" in the search box, and click on Install as shown below, or click on this button: gdm Install gdm



                    enter image description here




                  2. After you enter your password, you will get the configuration screen shown below. Change lightdm to gdm and click on Forward:



                    enter image description here




                  3. Restart your computer, and you should now have the "old" GDM login screen; note that you can still select from any available session, including Ubuntu (3D), Ubuntu 2D, Gnome, Gnome Classic, etc.



                    enter image description here






                  Switch to GDM via the terminal




                  1. Open a terminal with Ctrl+Alt+T if you are on the desktop and not in the recovery console.


                  2. Type sudo apt-get install gdm, and then your password when prompted or run sudo dpkg-reconfigure gdm then sudo service lightdm stop, in case gdm is already installed.



                  3. A "Package Configuration" dialog will be displayed; click OK to proceed to the below screen. Use the arrow-keys to select gdm instead of lightdm, press Tab to move to OK, and press Enter.



                    enter image description here



                  4. Reboot the computer (you can do this with sudo reboot if in the recovery console).







                  share|improve this answer


























                  • NOTICE that mateo said that it does not work for 12.04 - that has been my experience. Ron

                    – Ron Belcher
                    Aug 10 '12 at 21:17











                  • I'm sorry? These screenshots were taken on 12.04. Stock gdm works perfectly. All Mateo did was add the one-click install link...

                    – ish
                    Aug 11 '12 at 0:52











                  • In Ubuntu 16.04, if you want to switch from lightdm to gdm you need to type dpkg-reconfigure lightdm to bring up the dialog.

                    – Sina
                    Nov 2 '16 at 21:33











                  • Just a warning related to the terminal instructions for Ubuntu 16.04: when I did sudo service lightdm stop it shut down my window manager and then my computer. Make sure you have saved everything! :) Also I couldn't find "gnome display manager" in the software centre.

                    – rmin
                    May 16 '17 at 23:57













                  • Compared to dozens other who did not, this worked for 17.10 as well, thanks a lot!

                    – Tomáš Votruba
                    Oct 25 '17 at 14:17
















                  41





                  +100









                  Switching from LightDM to the "older" GDM is very easy, and need not even involve opening a terminal.




                  Note:




                  • If you need/want to do this from a terminal (e.g. recovery console), please scroll below the screenshots for a how-to.


                  • Also, the "new" GDM is not covered here because it is not officially available for 12.04 and the unofficial packages do not work for most users.






                  Easily switch to GDM with the Software Centre





                  1. Open the Software Center, type "gdm" in the search box, and click on Install as shown below, or click on this button: gdm Install gdm



                    enter image description here




                  2. After you enter your password, you will get the configuration screen shown below. Change lightdm to gdm and click on Forward:



                    enter image description here




                  3. Restart your computer, and you should now have the "old" GDM login screen; note that you can still select from any available session, including Ubuntu (3D), Ubuntu 2D, Gnome, Gnome Classic, etc.



                    enter image description here






                  Switch to GDM via the terminal




                  1. Open a terminal with Ctrl+Alt+T if you are on the desktop and not in the recovery console.


                  2. Type sudo apt-get install gdm, and then your password when prompted or run sudo dpkg-reconfigure gdm then sudo service lightdm stop, in case gdm is already installed.



                  3. A "Package Configuration" dialog will be displayed; click OK to proceed to the below screen. Use the arrow-keys to select gdm instead of lightdm, press Tab to move to OK, and press Enter.



                    enter image description here



                  4. Reboot the computer (you can do this with sudo reboot if in the recovery console).







                  share|improve this answer


























                  • NOTICE that mateo said that it does not work for 12.04 - that has been my experience. Ron

                    – Ron Belcher
                    Aug 10 '12 at 21:17











                  • I'm sorry? These screenshots were taken on 12.04. Stock gdm works perfectly. All Mateo did was add the one-click install link...

                    – ish
                    Aug 11 '12 at 0:52











                  • In Ubuntu 16.04, if you want to switch from lightdm to gdm you need to type dpkg-reconfigure lightdm to bring up the dialog.

                    – Sina
                    Nov 2 '16 at 21:33











                  • Just a warning related to the terminal instructions for Ubuntu 16.04: when I did sudo service lightdm stop it shut down my window manager and then my computer. Make sure you have saved everything! :) Also I couldn't find "gnome display manager" in the software centre.

                    – rmin
                    May 16 '17 at 23:57













                  • Compared to dozens other who did not, this worked for 17.10 as well, thanks a lot!

                    – Tomáš Votruba
                    Oct 25 '17 at 14:17














                  41





                  +100







                  41





                  +100



                  41




                  +100





                  Switching from LightDM to the "older" GDM is very easy, and need not even involve opening a terminal.




                  Note:




                  • If you need/want to do this from a terminal (e.g. recovery console), please scroll below the screenshots for a how-to.


                  • Also, the "new" GDM is not covered here because it is not officially available for 12.04 and the unofficial packages do not work for most users.






                  Easily switch to GDM with the Software Centre





                  1. Open the Software Center, type "gdm" in the search box, and click on Install as shown below, or click on this button: gdm Install gdm



                    enter image description here




                  2. After you enter your password, you will get the configuration screen shown below. Change lightdm to gdm and click on Forward:



                    enter image description here




                  3. Restart your computer, and you should now have the "old" GDM login screen; note that you can still select from any available session, including Ubuntu (3D), Ubuntu 2D, Gnome, Gnome Classic, etc.



                    enter image description here






                  Switch to GDM via the terminal




                  1. Open a terminal with Ctrl+Alt+T if you are on the desktop and not in the recovery console.


                  2. Type sudo apt-get install gdm, and then your password when prompted or run sudo dpkg-reconfigure gdm then sudo service lightdm stop, in case gdm is already installed.



                  3. A "Package Configuration" dialog will be displayed; click OK to proceed to the below screen. Use the arrow-keys to select gdm instead of lightdm, press Tab to move to OK, and press Enter.



                    enter image description here



                  4. Reboot the computer (you can do this with sudo reboot if in the recovery console).







                  share|improve this answer















                  Switching from LightDM to the "older" GDM is very easy, and need not even involve opening a terminal.




                  Note:




                  • If you need/want to do this from a terminal (e.g. recovery console), please scroll below the screenshots for a how-to.


                  • Also, the "new" GDM is not covered here because it is not officially available for 12.04 and the unofficial packages do not work for most users.






                  Easily switch to GDM with the Software Centre





                  1. Open the Software Center, type "gdm" in the search box, and click on Install as shown below, or click on this button: gdm Install gdm



                    enter image description here




                  2. After you enter your password, you will get the configuration screen shown below. Change lightdm to gdm and click on Forward:



                    enter image description here




                  3. Restart your computer, and you should now have the "old" GDM login screen; note that you can still select from any available session, including Ubuntu (3D), Ubuntu 2D, Gnome, Gnome Classic, etc.



                    enter image description here






                  Switch to GDM via the terminal




                  1. Open a terminal with Ctrl+Alt+T if you are on the desktop and not in the recovery console.


                  2. Type sudo apt-get install gdm, and then your password when prompted or run sudo dpkg-reconfigure gdm then sudo service lightdm stop, in case gdm is already installed.



                  3. A "Package Configuration" dialog will be displayed; click OK to proceed to the below screen. Use the arrow-keys to select gdm instead of lightdm, press Tab to move to OK, and press Enter.



                    enter image description here



                  4. Reboot the computer (you can do this with sudo reboot if in the recovery console).








                  share|improve this answer














                  share|improve this answer



                  share|improve this answer








                  edited Apr 13 '17 at 12:25









                  Community

                  1




                  1










                  answered Jul 2 '12 at 2:09









                  ishish

                  117k32270295




                  117k32270295













                  • NOTICE that mateo said that it does not work for 12.04 - that has been my experience. Ron

                    – Ron Belcher
                    Aug 10 '12 at 21:17











                  • I'm sorry? These screenshots were taken on 12.04. Stock gdm works perfectly. All Mateo did was add the one-click install link...

                    – ish
                    Aug 11 '12 at 0:52











                  • In Ubuntu 16.04, if you want to switch from lightdm to gdm you need to type dpkg-reconfigure lightdm to bring up the dialog.

                    – Sina
                    Nov 2 '16 at 21:33











                  • Just a warning related to the terminal instructions for Ubuntu 16.04: when I did sudo service lightdm stop it shut down my window manager and then my computer. Make sure you have saved everything! :) Also I couldn't find "gnome display manager" in the software centre.

                    – rmin
                    May 16 '17 at 23:57













                  • Compared to dozens other who did not, this worked for 17.10 as well, thanks a lot!

                    – Tomáš Votruba
                    Oct 25 '17 at 14:17



















                  • NOTICE that mateo said that it does not work for 12.04 - that has been my experience. Ron

                    – Ron Belcher
                    Aug 10 '12 at 21:17











                  • I'm sorry? These screenshots were taken on 12.04. Stock gdm works perfectly. All Mateo did was add the one-click install link...

                    – ish
                    Aug 11 '12 at 0:52











                  • In Ubuntu 16.04, if you want to switch from lightdm to gdm you need to type dpkg-reconfigure lightdm to bring up the dialog.

                    – Sina
                    Nov 2 '16 at 21:33











                  • Just a warning related to the terminal instructions for Ubuntu 16.04: when I did sudo service lightdm stop it shut down my window manager and then my computer. Make sure you have saved everything! :) Also I couldn't find "gnome display manager" in the software centre.

                    – rmin
                    May 16 '17 at 23:57













                  • Compared to dozens other who did not, this worked for 17.10 as well, thanks a lot!

                    – Tomáš Votruba
                    Oct 25 '17 at 14:17

















                  NOTICE that mateo said that it does not work for 12.04 - that has been my experience. Ron

                  – Ron Belcher
                  Aug 10 '12 at 21:17





                  NOTICE that mateo said that it does not work for 12.04 - that has been my experience. Ron

                  – Ron Belcher
                  Aug 10 '12 at 21:17













                  I'm sorry? These screenshots were taken on 12.04. Stock gdm works perfectly. All Mateo did was add the one-click install link...

                  – ish
                  Aug 11 '12 at 0:52





                  I'm sorry? These screenshots were taken on 12.04. Stock gdm works perfectly. All Mateo did was add the one-click install link...

                  – ish
                  Aug 11 '12 at 0:52













                  In Ubuntu 16.04, if you want to switch from lightdm to gdm you need to type dpkg-reconfigure lightdm to bring up the dialog.

                  – Sina
                  Nov 2 '16 at 21:33





                  In Ubuntu 16.04, if you want to switch from lightdm to gdm you need to type dpkg-reconfigure lightdm to bring up the dialog.

                  – Sina
                  Nov 2 '16 at 21:33













                  Just a warning related to the terminal instructions for Ubuntu 16.04: when I did sudo service lightdm stop it shut down my window manager and then my computer. Make sure you have saved everything! :) Also I couldn't find "gnome display manager" in the software centre.

                  – rmin
                  May 16 '17 at 23:57







                  Just a warning related to the terminal instructions for Ubuntu 16.04: when I did sudo service lightdm stop it shut down my window manager and then my computer. Make sure you have saved everything! :) Also I couldn't find "gnome display manager" in the software centre.

                  – rmin
                  May 16 '17 at 23:57















                  Compared to dozens other who did not, this worked for 17.10 as well, thanks a lot!

                  – Tomáš Votruba
                  Oct 25 '17 at 14:17





                  Compared to dozens other who did not, this worked for 17.10 as well, thanks a lot!

                  – Tomáš Votruba
                  Oct 25 '17 at 14:17













                  14














                  These did not work for me for newer versions of gdm. I had to use gdm3 instead of gdm



                  sudo dpkg-reconfigure gdm3






                  share|improve this answer




























                    14














                    These did not work for me for newer versions of gdm. I had to use gdm3 instead of gdm



                    sudo dpkg-reconfigure gdm3






                    share|improve this answer


























                      14












                      14








                      14







                      These did not work for me for newer versions of gdm. I had to use gdm3 instead of gdm



                      sudo dpkg-reconfigure gdm3






                      share|improve this answer













                      These did not work for me for newer versions of gdm. I had to use gdm3 instead of gdm



                      sudo dpkg-reconfigure gdm3







                      share|improve this answer












                      share|improve this answer



                      share|improve this answer










                      answered Apr 19 '17 at 15:48









                      thoulihathouliha

                      26825




                      26825























                          2














                          Gnome-display-manager is not broken in 12.04 (or at least it works fine for me), There is no need to reboot the machine. You ran the right commands, but maybe try it this way, also might want to sudo apt-get install gdm just to make sure you have the working version.



                          I ran sudo dpkg-reconfigure gdm then sudo service lightdm stop



                          after this you will need to press alt+f2 and login from command line.
                          Then you will be able to start sudo service gdm start separably.






                          share|improve this answer






























                            2














                            Gnome-display-manager is not broken in 12.04 (or at least it works fine for me), There is no need to reboot the machine. You ran the right commands, but maybe try it this way, also might want to sudo apt-get install gdm just to make sure you have the working version.



                            I ran sudo dpkg-reconfigure gdm then sudo service lightdm stop



                            after this you will need to press alt+f2 and login from command line.
                            Then you will be able to start sudo service gdm start separably.






                            share|improve this answer




























                              2












                              2








                              2







                              Gnome-display-manager is not broken in 12.04 (or at least it works fine for me), There is no need to reboot the machine. You ran the right commands, but maybe try it this way, also might want to sudo apt-get install gdm just to make sure you have the working version.



                              I ran sudo dpkg-reconfigure gdm then sudo service lightdm stop



                              after this you will need to press alt+f2 and login from command line.
                              Then you will be able to start sudo service gdm start separably.






                              share|improve this answer















                              Gnome-display-manager is not broken in 12.04 (or at least it works fine for me), There is no need to reboot the machine. You ran the right commands, but maybe try it this way, also might want to sudo apt-get install gdm just to make sure you have the working version.



                              I ran sudo dpkg-reconfigure gdm then sudo service lightdm stop



                              after this you will need to press alt+f2 and login from command line.
                              Then you will be able to start sudo service gdm start separably.







                              share|improve this answer














                              share|improve this answer



                              share|improve this answer








                              edited Jul 1 '12 at 22:52









                              Jorge Castro

                              37.3k107422618




                              37.3k107422618










                              answered Jun 18 '12 at 5:57







                              user44136






























                                  1














                                  additionally what luis alvez wrote above, for systemd managed systems (15.10 e.g.) use:



                                  systemctl service stop lightdm
                                  systemctl service start gdm


                                  instead of



                                  sudo service lightdm stop





                                  share|improve this answer




























                                    1














                                    additionally what luis alvez wrote above, for systemd managed systems (15.10 e.g.) use:



                                    systemctl service stop lightdm
                                    systemctl service start gdm


                                    instead of



                                    sudo service lightdm stop





                                    share|improve this answer


























                                      1












                                      1








                                      1







                                      additionally what luis alvez wrote above, for systemd managed systems (15.10 e.g.) use:



                                      systemctl service stop lightdm
                                      systemctl service start gdm


                                      instead of



                                      sudo service lightdm stop





                                      share|improve this answer













                                      additionally what luis alvez wrote above, for systemd managed systems (15.10 e.g.) use:



                                      systemctl service stop lightdm
                                      systemctl service start gdm


                                      instead of



                                      sudo service lightdm stop






                                      share|improve this answer












                                      share|improve this answer



                                      share|improve this answer










                                      answered Dec 27 '15 at 10:48









                                      guestguest

                                      112




                                      112























                                          0














                                          additionally to the answers, to use gdm3 and stop lightdm on Ubuntu 18.04:



                                          sudo dpkg-reconfigure gdm3

                                          systemctl stop lightdm
                                          systemctl start gdm3





                                          share|improve this answer








                                          New contributor




                                          Sophia Marie is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                                          Check out our Code of Conduct.

























                                            0














                                            additionally to the answers, to use gdm3 and stop lightdm on Ubuntu 18.04:



                                            sudo dpkg-reconfigure gdm3

                                            systemctl stop lightdm
                                            systemctl start gdm3





                                            share|improve this answer








                                            New contributor




                                            Sophia Marie is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                                            Check out our Code of Conduct.























                                              0












                                              0








                                              0







                                              additionally to the answers, to use gdm3 and stop lightdm on Ubuntu 18.04:



                                              sudo dpkg-reconfigure gdm3

                                              systemctl stop lightdm
                                              systemctl start gdm3





                                              share|improve this answer








                                              New contributor




                                              Sophia Marie is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                                              Check out our Code of Conduct.










                                              additionally to the answers, to use gdm3 and stop lightdm on Ubuntu 18.04:



                                              sudo dpkg-reconfigure gdm3

                                              systemctl stop lightdm
                                              systemctl start gdm3






                                              share|improve this answer








                                              New contributor




                                              Sophia Marie is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                                              Check out our Code of Conduct.









                                              share|improve this answer



                                              share|improve this answer






                                              New contributor




                                              Sophia Marie is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                                              Check out our Code of Conduct.









                                              answered 16 hours ago









                                              Sophia MarieSophia Marie

                                              1




                                              1




                                              New contributor




                                              Sophia Marie is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                                              Check out our Code of Conduct.





                                              New contributor





                                              Sophia Marie is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                                              Check out our Code of Conduct.






                                              Sophia Marie is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                                              Check out our Code of Conduct.






























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