How to run xrandr commands at startup in Ubuntu












10














How can I run the following xrandrcommand on startup?



xrandr



cvt 1368 768 
xrandr --newmode "1368x768_60.00" 85.25 1368 1440 1576 1784 768 771 781 798 -hsync +vsync
xrandr --addmode VGA1 1368x768_60.00
xrandr --output VGA1 --mode 1368x768_60.00









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  • 1




    Hi Udhaya Kumar did you notice you have an answer? Please let me know if you manage.
    – Jacob Vlijm
    Jun 18 '15 at 16:48


















10














How can I run the following xrandrcommand on startup?



xrandr



cvt 1368 768 
xrandr --newmode "1368x768_60.00" 85.25 1368 1440 1576 1784 768 771 781 798 -hsync +vsync
xrandr --addmode VGA1 1368x768_60.00
xrandr --output VGA1 --mode 1368x768_60.00









share|improve this question




















  • 1




    Hi Udhaya Kumar did you notice you have an answer? Please let me know if you manage.
    – Jacob Vlijm
    Jun 18 '15 at 16:48
















10












10








10


4





How can I run the following xrandrcommand on startup?



xrandr



cvt 1368 768 
xrandr --newmode "1368x768_60.00" 85.25 1368 1440 1576 1784 768 771 781 798 -hsync +vsync
xrandr --addmode VGA1 1368x768_60.00
xrandr --output VGA1 --mode 1368x768_60.00









share|improve this question















How can I run the following xrandrcommand on startup?



xrandr



cvt 1368 768 
xrandr --newmode "1368x768_60.00" 85.25 1368 1440 1576 1784 768 771 781 798 -hsync +vsync
xrandr --addmode VGA1 1368x768_60.00
xrandr --output VGA1 --mode 1368x768_60.00






command-line display xrandr startup-applications display-resolution






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Jun 18 '15 at 7:09









Jacob Vlijm

63.5k9124218




63.5k9124218










asked Jun 18 '15 at 6:20









Udhaya Kumar

54113




54113








  • 1




    Hi Udhaya Kumar did you notice you have an answer? Please let me know if you manage.
    – Jacob Vlijm
    Jun 18 '15 at 16:48
















  • 1




    Hi Udhaya Kumar did you notice you have an answer? Please let me know if you manage.
    – Jacob Vlijm
    Jun 18 '15 at 16:48










1




1




Hi Udhaya Kumar did you notice you have an answer? Please let me know if you manage.
– Jacob Vlijm
Jun 18 '15 at 16:48






Hi Udhaya Kumar did you notice you have an answer? Please let me know if you manage.
– Jacob Vlijm
Jun 18 '15 at 16:48












4 Answers
4






active

oldest

votes


















14














Adding complicated commands to Startup Applications



In General, you can add commands to run on start up (log in) by choosing: Dash > Startup Applications > Add. In this case, you have a complicated command to run.



There are two options to do that:





  1. write a separate script:



    #!/bin/bash

    cvt 1368 768
    # xrandr only works in X11 sessions, not Wayland
    [ "$XDG_SESSION_TYPE" = x11 ] || exit 0
    xrandr --newmode "1368x768_60.00" 85.25 1368 1440 1576 1784 768 771 781 798 -hsync +vsync
    xrandr --addmode VGA1 1368x768_60.00
    xrandr --output VGA1 --mode 1368x768_60.00


    Copy the script into an empty file, save it as set_monitor.sh
    and add the following command to startup applications as described above.



    /bin/bash /path/to/set_monitor.sh



  2. Chain the commands to one (very long) command:



     /bin/bash -c "cvt 1368 768&&xrandr --newmode "1368x768_60.00"   85.25  1368 1440 1576 1784  768 771 781 798 -hsync +vsync&&xrandr --addmode VGA1 1368x768_60.00&&xrandr --output VGA1 --mode 1368x768_60.00"


    In this case, using && between the commands will make each command run as soon (and if) the previous one is run succesfully, just like they are on separate lines.



    Then add the command to Startup Applications, as described above.




Important note: adding xrandr commands to Startup Applications



Adding xrandr commands to startup can be tricky; sometimes they break if they are run too early, before the desktop is fully loaded. Therefore you might (probably) need to add a little break into the command to (either) run the script or the command, like (in the last case):



/bin/bash -c "sleep 15&&cvt 1368 768&&xrandr --newmode "1368x768_60.00"   85.25  1368 1440 1576 1784  768 771 781 798 -hsync +vsync&&xrandr --addmode VGA1 1368x768_60.00&&xrandr --output VGA1 --mode 1368x768_60.00"


You might need to play a little with the sleep 15to find the optimal time.



Note



I left out the first line:



xrandr


since it does nothin but display some information on your screen setup :)






share|improve this answer



















  • 3




    You don't need to include the cvt command if you already know your modeline.
    – thethakuri
    Dec 16 '16 at 7:49






  • 1




    The /bin/bash -c "..." wrapping did the trick for me :)
    – Superole
    Oct 3 '17 at 13:22










  • On Kubuntu 17.10, I added the command without the sleep part in 'Startup applications' by selecting the "Before Session startup" option.
    – pat-s
    Jan 1 '18 at 21:38










  • +1 for writing 3 years ago # xrandr only works in X11 sessions, not Wayland. Good future proofing back then.
    – WinEunuuchs2Unix
    Sep 21 '18 at 2:53



















4














According to this at the Now automate it on login section, I have made my own script 45custom_xrandr-settings and placed it into /etc/X11/Xsession.d/. It works fine for me under Ubuntu 14.04 LTS. You could place the code below after the case command described in that section.



PRI_OUTPUT="DVI-0";
# Make and force resolution
myNewMode=$(cvt 1366 768 60 | grep -oP 'ModelineK.*') && #grep evrything after 'Modline'
myNewModeName="$(echo $myNewMode | grep -oP '"K[^"47]+(?=["47])' )" && #grep everything inside quotes
xrandr --newmode $myNewMode;
sleep 15;
xrandr --addmode $PRI_OUTPUT $myNewModeName;


I believe that the above is what you are looking for. You can see the available outputs simply by running the xrandr command. The outputs may be VGA, VGA-0, DVI-0, TMDS-1 or DisplayPort-0.



Here is the complete script that I made.



# To configure xrandr automatically during the first login, 
# save this script to your computer as /etc/X11/Xsession.d/45custom_xrandr-settings:

# If an external monitor is connected, place it with xrandr
# External output may be "VGA" or "VGA-0" or "DVI-0" or "TMDS-1"

# More info at http://www.thinkwiki.org/wiki/Xorg_RandR_1.2


PRI_OUTPUT="DVI-0";
SEC_OUTPUT="DisplayPort-0";
SEC_LOCATION="left"; # SEC_LOCATION may be one of: left, right, above, or below

case "$SEC_LOCATION" in
left|LEFT)
SEC_LOCATION="--left-of $PRI_OUTPUT"
;;
right|RIGHT)
SEC_LOCATION="--right-of $PRI_OUTPUT"
;;
top|TOP|above|ABOVE)
SEC_LOCATION="--above $PRI_OUTPUT"
;;
bottom|BOTTOM|below|BELOW)
SEC_LOCATION="--below $PRI_OUTPUT"
;;
*)
SEC_LOCATION="--left-of $PRI_OUTPUT"
;;
esac

# Make and force resolution
myNewMode=$(cvt 1366 768 60 | grep -oP 'ModelineK.*') && #grep evrything after 'Modline'
myNewModeName="$(echo $myNewMode | grep -oP '"K[^"47]+(?=["47])' )" && #grep everything inside quotes
xrandr --newmode $myNewMode;
sleep 15;
xrandr --addmode $PRI_OUTPUT $myNewModeName;


# Activate secondary out (display port)
xrandr | grep $SEC_OUTPUT | grep " connected "
if [ $? -eq 0 ]; then
# xrandr --output $SEC_OUTPUT --auto $SEC_LOCATION
xrandr --output $PRI_OUTPUT --mode $myNewModeName --output $SEC_OUTPUT --auto $SEC_LOCATION
else
xrandr --output $PRI_OUTPUT --mode $myNewModeName --output $SEC_OUTPUT --off
fi





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    2














    Create the file ~/.xprofile and put your lines in it. It is ran at the beginning of the X user session.






    share|improve this answer

















    • 1




      this didnt work. commands fire up too early.
      – neckTwi
      May 27 '17 at 6:33










    • @neckTwi Thanks, I found that xrandr --output ... doesn't work but the previous two lines works. All in all this works for me.
      – golopot
      May 28 '17 at 5:45



















    0














    There's a way of doing that declaratively. I think it's much better.



    Create a new file 90-monitor.conf:



    Path: /usr/share/X11/xorg.conf.d/90-monitor.conf



    Content:



    Section "Monitor"
    Identifier "VGA1"
    Modeline "1368x768_60.00" 85.25 1368 1440 1576 1784 768 771 781 798 -hsync +vsync
    EndSection
    Section "Screen"
    Identifier "Screen0"
    Monitor "Monitor-VGA1"
    DefaultDepth 24
    SubSection "Display"
    Depth 24
    Modes "1368x768_60.00"
    EndSubSection
    EndSection





    share|improve this answer





















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      4 Answers
      4






      active

      oldest

      votes








      4 Answers
      4






      active

      oldest

      votes









      active

      oldest

      votes






      active

      oldest

      votes









      14














      Adding complicated commands to Startup Applications



      In General, you can add commands to run on start up (log in) by choosing: Dash > Startup Applications > Add. In this case, you have a complicated command to run.



      There are two options to do that:





      1. write a separate script:



        #!/bin/bash

        cvt 1368 768
        # xrandr only works in X11 sessions, not Wayland
        [ "$XDG_SESSION_TYPE" = x11 ] || exit 0
        xrandr --newmode "1368x768_60.00" 85.25 1368 1440 1576 1784 768 771 781 798 -hsync +vsync
        xrandr --addmode VGA1 1368x768_60.00
        xrandr --output VGA1 --mode 1368x768_60.00


        Copy the script into an empty file, save it as set_monitor.sh
        and add the following command to startup applications as described above.



        /bin/bash /path/to/set_monitor.sh



      2. Chain the commands to one (very long) command:



         /bin/bash -c "cvt 1368 768&&xrandr --newmode "1368x768_60.00"   85.25  1368 1440 1576 1784  768 771 781 798 -hsync +vsync&&xrandr --addmode VGA1 1368x768_60.00&&xrandr --output VGA1 --mode 1368x768_60.00"


        In this case, using && between the commands will make each command run as soon (and if) the previous one is run succesfully, just like they are on separate lines.



        Then add the command to Startup Applications, as described above.




      Important note: adding xrandr commands to Startup Applications



      Adding xrandr commands to startup can be tricky; sometimes they break if they are run too early, before the desktop is fully loaded. Therefore you might (probably) need to add a little break into the command to (either) run the script or the command, like (in the last case):



      /bin/bash -c "sleep 15&&cvt 1368 768&&xrandr --newmode "1368x768_60.00"   85.25  1368 1440 1576 1784  768 771 781 798 -hsync +vsync&&xrandr --addmode VGA1 1368x768_60.00&&xrandr --output VGA1 --mode 1368x768_60.00"


      You might need to play a little with the sleep 15to find the optimal time.



      Note



      I left out the first line:



      xrandr


      since it does nothin but display some information on your screen setup :)






      share|improve this answer



















      • 3




        You don't need to include the cvt command if you already know your modeline.
        – thethakuri
        Dec 16 '16 at 7:49






      • 1




        The /bin/bash -c "..." wrapping did the trick for me :)
        – Superole
        Oct 3 '17 at 13:22










      • On Kubuntu 17.10, I added the command without the sleep part in 'Startup applications' by selecting the "Before Session startup" option.
        – pat-s
        Jan 1 '18 at 21:38










      • +1 for writing 3 years ago # xrandr only works in X11 sessions, not Wayland. Good future proofing back then.
        – WinEunuuchs2Unix
        Sep 21 '18 at 2:53
















      14














      Adding complicated commands to Startup Applications



      In General, you can add commands to run on start up (log in) by choosing: Dash > Startup Applications > Add. In this case, you have a complicated command to run.



      There are two options to do that:





      1. write a separate script:



        #!/bin/bash

        cvt 1368 768
        # xrandr only works in X11 sessions, not Wayland
        [ "$XDG_SESSION_TYPE" = x11 ] || exit 0
        xrandr --newmode "1368x768_60.00" 85.25 1368 1440 1576 1784 768 771 781 798 -hsync +vsync
        xrandr --addmode VGA1 1368x768_60.00
        xrandr --output VGA1 --mode 1368x768_60.00


        Copy the script into an empty file, save it as set_monitor.sh
        and add the following command to startup applications as described above.



        /bin/bash /path/to/set_monitor.sh



      2. Chain the commands to one (very long) command:



         /bin/bash -c "cvt 1368 768&&xrandr --newmode "1368x768_60.00"   85.25  1368 1440 1576 1784  768 771 781 798 -hsync +vsync&&xrandr --addmode VGA1 1368x768_60.00&&xrandr --output VGA1 --mode 1368x768_60.00"


        In this case, using && between the commands will make each command run as soon (and if) the previous one is run succesfully, just like they are on separate lines.



        Then add the command to Startup Applications, as described above.




      Important note: adding xrandr commands to Startup Applications



      Adding xrandr commands to startup can be tricky; sometimes they break if they are run too early, before the desktop is fully loaded. Therefore you might (probably) need to add a little break into the command to (either) run the script or the command, like (in the last case):



      /bin/bash -c "sleep 15&&cvt 1368 768&&xrandr --newmode "1368x768_60.00"   85.25  1368 1440 1576 1784  768 771 781 798 -hsync +vsync&&xrandr --addmode VGA1 1368x768_60.00&&xrandr --output VGA1 --mode 1368x768_60.00"


      You might need to play a little with the sleep 15to find the optimal time.



      Note



      I left out the first line:



      xrandr


      since it does nothin but display some information on your screen setup :)






      share|improve this answer



















      • 3




        You don't need to include the cvt command if you already know your modeline.
        – thethakuri
        Dec 16 '16 at 7:49






      • 1




        The /bin/bash -c "..." wrapping did the trick for me :)
        – Superole
        Oct 3 '17 at 13:22










      • On Kubuntu 17.10, I added the command without the sleep part in 'Startup applications' by selecting the "Before Session startup" option.
        – pat-s
        Jan 1 '18 at 21:38










      • +1 for writing 3 years ago # xrandr only works in X11 sessions, not Wayland. Good future proofing back then.
        – WinEunuuchs2Unix
        Sep 21 '18 at 2:53














      14












      14








      14






      Adding complicated commands to Startup Applications



      In General, you can add commands to run on start up (log in) by choosing: Dash > Startup Applications > Add. In this case, you have a complicated command to run.



      There are two options to do that:





      1. write a separate script:



        #!/bin/bash

        cvt 1368 768
        # xrandr only works in X11 sessions, not Wayland
        [ "$XDG_SESSION_TYPE" = x11 ] || exit 0
        xrandr --newmode "1368x768_60.00" 85.25 1368 1440 1576 1784 768 771 781 798 -hsync +vsync
        xrandr --addmode VGA1 1368x768_60.00
        xrandr --output VGA1 --mode 1368x768_60.00


        Copy the script into an empty file, save it as set_monitor.sh
        and add the following command to startup applications as described above.



        /bin/bash /path/to/set_monitor.sh



      2. Chain the commands to one (very long) command:



         /bin/bash -c "cvt 1368 768&&xrandr --newmode "1368x768_60.00"   85.25  1368 1440 1576 1784  768 771 781 798 -hsync +vsync&&xrandr --addmode VGA1 1368x768_60.00&&xrandr --output VGA1 --mode 1368x768_60.00"


        In this case, using && between the commands will make each command run as soon (and if) the previous one is run succesfully, just like they are on separate lines.



        Then add the command to Startup Applications, as described above.




      Important note: adding xrandr commands to Startup Applications



      Adding xrandr commands to startup can be tricky; sometimes they break if they are run too early, before the desktop is fully loaded. Therefore you might (probably) need to add a little break into the command to (either) run the script or the command, like (in the last case):



      /bin/bash -c "sleep 15&&cvt 1368 768&&xrandr --newmode "1368x768_60.00"   85.25  1368 1440 1576 1784  768 771 781 798 -hsync +vsync&&xrandr --addmode VGA1 1368x768_60.00&&xrandr --output VGA1 --mode 1368x768_60.00"


      You might need to play a little with the sleep 15to find the optimal time.



      Note



      I left out the first line:



      xrandr


      since it does nothin but display some information on your screen setup :)






      share|improve this answer














      Adding complicated commands to Startup Applications



      In General, you can add commands to run on start up (log in) by choosing: Dash > Startup Applications > Add. In this case, you have a complicated command to run.



      There are two options to do that:





      1. write a separate script:



        #!/bin/bash

        cvt 1368 768
        # xrandr only works in X11 sessions, not Wayland
        [ "$XDG_SESSION_TYPE" = x11 ] || exit 0
        xrandr --newmode "1368x768_60.00" 85.25 1368 1440 1576 1784 768 771 781 798 -hsync +vsync
        xrandr --addmode VGA1 1368x768_60.00
        xrandr --output VGA1 --mode 1368x768_60.00


        Copy the script into an empty file, save it as set_monitor.sh
        and add the following command to startup applications as described above.



        /bin/bash /path/to/set_monitor.sh



      2. Chain the commands to one (very long) command:



         /bin/bash -c "cvt 1368 768&&xrandr --newmode "1368x768_60.00"   85.25  1368 1440 1576 1784  768 771 781 798 -hsync +vsync&&xrandr --addmode VGA1 1368x768_60.00&&xrandr --output VGA1 --mode 1368x768_60.00"


        In this case, using && between the commands will make each command run as soon (and if) the previous one is run succesfully, just like they are on separate lines.



        Then add the command to Startup Applications, as described above.




      Important note: adding xrandr commands to Startup Applications



      Adding xrandr commands to startup can be tricky; sometimes they break if they are run too early, before the desktop is fully loaded. Therefore you might (probably) need to add a little break into the command to (either) run the script or the command, like (in the last case):



      /bin/bash -c "sleep 15&&cvt 1368 768&&xrandr --newmode "1368x768_60.00"   85.25  1368 1440 1576 1784  768 771 781 798 -hsync +vsync&&xrandr --addmode VGA1 1368x768_60.00&&xrandr --output VGA1 --mode 1368x768_60.00"


      You might need to play a little with the sleep 15to find the optimal time.



      Note



      I left out the first line:



      xrandr


      since it does nothin but display some information on your screen setup :)







      share|improve this answer














      share|improve this answer



      share|improve this answer








      edited Jan 17 '18 at 16:37









      muru

      1




      1










      answered Jun 18 '15 at 6:46









      Jacob Vlijm

      63.5k9124218




      63.5k9124218








      • 3




        You don't need to include the cvt command if you already know your modeline.
        – thethakuri
        Dec 16 '16 at 7:49






      • 1




        The /bin/bash -c "..." wrapping did the trick for me :)
        – Superole
        Oct 3 '17 at 13:22










      • On Kubuntu 17.10, I added the command without the sleep part in 'Startup applications' by selecting the "Before Session startup" option.
        – pat-s
        Jan 1 '18 at 21:38










      • +1 for writing 3 years ago # xrandr only works in X11 sessions, not Wayland. Good future proofing back then.
        – WinEunuuchs2Unix
        Sep 21 '18 at 2:53














      • 3




        You don't need to include the cvt command if you already know your modeline.
        – thethakuri
        Dec 16 '16 at 7:49






      • 1




        The /bin/bash -c "..." wrapping did the trick for me :)
        – Superole
        Oct 3 '17 at 13:22










      • On Kubuntu 17.10, I added the command without the sleep part in 'Startup applications' by selecting the "Before Session startup" option.
        – pat-s
        Jan 1 '18 at 21:38










      • +1 for writing 3 years ago # xrandr only works in X11 sessions, not Wayland. Good future proofing back then.
        – WinEunuuchs2Unix
        Sep 21 '18 at 2:53








      3




      3




      You don't need to include the cvt command if you already know your modeline.
      – thethakuri
      Dec 16 '16 at 7:49




      You don't need to include the cvt command if you already know your modeline.
      – thethakuri
      Dec 16 '16 at 7:49




      1




      1




      The /bin/bash -c "..." wrapping did the trick for me :)
      – Superole
      Oct 3 '17 at 13:22




      The /bin/bash -c "..." wrapping did the trick for me :)
      – Superole
      Oct 3 '17 at 13:22












      On Kubuntu 17.10, I added the command without the sleep part in 'Startup applications' by selecting the "Before Session startup" option.
      – pat-s
      Jan 1 '18 at 21:38




      On Kubuntu 17.10, I added the command without the sleep part in 'Startup applications' by selecting the "Before Session startup" option.
      – pat-s
      Jan 1 '18 at 21:38












      +1 for writing 3 years ago # xrandr only works in X11 sessions, not Wayland. Good future proofing back then.
      – WinEunuuchs2Unix
      Sep 21 '18 at 2:53




      +1 for writing 3 years ago # xrandr only works in X11 sessions, not Wayland. Good future proofing back then.
      – WinEunuuchs2Unix
      Sep 21 '18 at 2:53













      4














      According to this at the Now automate it on login section, I have made my own script 45custom_xrandr-settings and placed it into /etc/X11/Xsession.d/. It works fine for me under Ubuntu 14.04 LTS. You could place the code below after the case command described in that section.



      PRI_OUTPUT="DVI-0";
      # Make and force resolution
      myNewMode=$(cvt 1366 768 60 | grep -oP 'ModelineK.*') && #grep evrything after 'Modline'
      myNewModeName="$(echo $myNewMode | grep -oP '"K[^"47]+(?=["47])' )" && #grep everything inside quotes
      xrandr --newmode $myNewMode;
      sleep 15;
      xrandr --addmode $PRI_OUTPUT $myNewModeName;


      I believe that the above is what you are looking for. You can see the available outputs simply by running the xrandr command. The outputs may be VGA, VGA-0, DVI-0, TMDS-1 or DisplayPort-0.



      Here is the complete script that I made.



      # To configure xrandr automatically during the first login, 
      # save this script to your computer as /etc/X11/Xsession.d/45custom_xrandr-settings:

      # If an external monitor is connected, place it with xrandr
      # External output may be "VGA" or "VGA-0" or "DVI-0" or "TMDS-1"

      # More info at http://www.thinkwiki.org/wiki/Xorg_RandR_1.2


      PRI_OUTPUT="DVI-0";
      SEC_OUTPUT="DisplayPort-0";
      SEC_LOCATION="left"; # SEC_LOCATION may be one of: left, right, above, or below

      case "$SEC_LOCATION" in
      left|LEFT)
      SEC_LOCATION="--left-of $PRI_OUTPUT"
      ;;
      right|RIGHT)
      SEC_LOCATION="--right-of $PRI_OUTPUT"
      ;;
      top|TOP|above|ABOVE)
      SEC_LOCATION="--above $PRI_OUTPUT"
      ;;
      bottom|BOTTOM|below|BELOW)
      SEC_LOCATION="--below $PRI_OUTPUT"
      ;;
      *)
      SEC_LOCATION="--left-of $PRI_OUTPUT"
      ;;
      esac

      # Make and force resolution
      myNewMode=$(cvt 1366 768 60 | grep -oP 'ModelineK.*') && #grep evrything after 'Modline'
      myNewModeName="$(echo $myNewMode | grep -oP '"K[^"47]+(?=["47])' )" && #grep everything inside quotes
      xrandr --newmode $myNewMode;
      sleep 15;
      xrandr --addmode $PRI_OUTPUT $myNewModeName;


      # Activate secondary out (display port)
      xrandr | grep $SEC_OUTPUT | grep " connected "
      if [ $? -eq 0 ]; then
      # xrandr --output $SEC_OUTPUT --auto $SEC_LOCATION
      xrandr --output $PRI_OUTPUT --mode $myNewModeName --output $SEC_OUTPUT --auto $SEC_LOCATION
      else
      xrandr --output $PRI_OUTPUT --mode $myNewModeName --output $SEC_OUTPUT --off
      fi





      share|improve this answer




























        4














        According to this at the Now automate it on login section, I have made my own script 45custom_xrandr-settings and placed it into /etc/X11/Xsession.d/. It works fine for me under Ubuntu 14.04 LTS. You could place the code below after the case command described in that section.



        PRI_OUTPUT="DVI-0";
        # Make and force resolution
        myNewMode=$(cvt 1366 768 60 | grep -oP 'ModelineK.*') && #grep evrything after 'Modline'
        myNewModeName="$(echo $myNewMode | grep -oP '"K[^"47]+(?=["47])' )" && #grep everything inside quotes
        xrandr --newmode $myNewMode;
        sleep 15;
        xrandr --addmode $PRI_OUTPUT $myNewModeName;


        I believe that the above is what you are looking for. You can see the available outputs simply by running the xrandr command. The outputs may be VGA, VGA-0, DVI-0, TMDS-1 or DisplayPort-0.



        Here is the complete script that I made.



        # To configure xrandr automatically during the first login, 
        # save this script to your computer as /etc/X11/Xsession.d/45custom_xrandr-settings:

        # If an external monitor is connected, place it with xrandr
        # External output may be "VGA" or "VGA-0" or "DVI-0" or "TMDS-1"

        # More info at http://www.thinkwiki.org/wiki/Xorg_RandR_1.2


        PRI_OUTPUT="DVI-0";
        SEC_OUTPUT="DisplayPort-0";
        SEC_LOCATION="left"; # SEC_LOCATION may be one of: left, right, above, or below

        case "$SEC_LOCATION" in
        left|LEFT)
        SEC_LOCATION="--left-of $PRI_OUTPUT"
        ;;
        right|RIGHT)
        SEC_LOCATION="--right-of $PRI_OUTPUT"
        ;;
        top|TOP|above|ABOVE)
        SEC_LOCATION="--above $PRI_OUTPUT"
        ;;
        bottom|BOTTOM|below|BELOW)
        SEC_LOCATION="--below $PRI_OUTPUT"
        ;;
        *)
        SEC_LOCATION="--left-of $PRI_OUTPUT"
        ;;
        esac

        # Make and force resolution
        myNewMode=$(cvt 1366 768 60 | grep -oP 'ModelineK.*') && #grep evrything after 'Modline'
        myNewModeName="$(echo $myNewMode | grep -oP '"K[^"47]+(?=["47])' )" && #grep everything inside quotes
        xrandr --newmode $myNewMode;
        sleep 15;
        xrandr --addmode $PRI_OUTPUT $myNewModeName;


        # Activate secondary out (display port)
        xrandr | grep $SEC_OUTPUT | grep " connected "
        if [ $? -eq 0 ]; then
        # xrandr --output $SEC_OUTPUT --auto $SEC_LOCATION
        xrandr --output $PRI_OUTPUT --mode $myNewModeName --output $SEC_OUTPUT --auto $SEC_LOCATION
        else
        xrandr --output $PRI_OUTPUT --mode $myNewModeName --output $SEC_OUTPUT --off
        fi





        share|improve this answer


























          4












          4








          4






          According to this at the Now automate it on login section, I have made my own script 45custom_xrandr-settings and placed it into /etc/X11/Xsession.d/. It works fine for me under Ubuntu 14.04 LTS. You could place the code below after the case command described in that section.



          PRI_OUTPUT="DVI-0";
          # Make and force resolution
          myNewMode=$(cvt 1366 768 60 | grep -oP 'ModelineK.*') && #grep evrything after 'Modline'
          myNewModeName="$(echo $myNewMode | grep -oP '"K[^"47]+(?=["47])' )" && #grep everything inside quotes
          xrandr --newmode $myNewMode;
          sleep 15;
          xrandr --addmode $PRI_OUTPUT $myNewModeName;


          I believe that the above is what you are looking for. You can see the available outputs simply by running the xrandr command. The outputs may be VGA, VGA-0, DVI-0, TMDS-1 or DisplayPort-0.



          Here is the complete script that I made.



          # To configure xrandr automatically during the first login, 
          # save this script to your computer as /etc/X11/Xsession.d/45custom_xrandr-settings:

          # If an external monitor is connected, place it with xrandr
          # External output may be "VGA" or "VGA-0" or "DVI-0" or "TMDS-1"

          # More info at http://www.thinkwiki.org/wiki/Xorg_RandR_1.2


          PRI_OUTPUT="DVI-0";
          SEC_OUTPUT="DisplayPort-0";
          SEC_LOCATION="left"; # SEC_LOCATION may be one of: left, right, above, or below

          case "$SEC_LOCATION" in
          left|LEFT)
          SEC_LOCATION="--left-of $PRI_OUTPUT"
          ;;
          right|RIGHT)
          SEC_LOCATION="--right-of $PRI_OUTPUT"
          ;;
          top|TOP|above|ABOVE)
          SEC_LOCATION="--above $PRI_OUTPUT"
          ;;
          bottom|BOTTOM|below|BELOW)
          SEC_LOCATION="--below $PRI_OUTPUT"
          ;;
          *)
          SEC_LOCATION="--left-of $PRI_OUTPUT"
          ;;
          esac

          # Make and force resolution
          myNewMode=$(cvt 1366 768 60 | grep -oP 'ModelineK.*') && #grep evrything after 'Modline'
          myNewModeName="$(echo $myNewMode | grep -oP '"K[^"47]+(?=["47])' )" && #grep everything inside quotes
          xrandr --newmode $myNewMode;
          sleep 15;
          xrandr --addmode $PRI_OUTPUT $myNewModeName;


          # Activate secondary out (display port)
          xrandr | grep $SEC_OUTPUT | grep " connected "
          if [ $? -eq 0 ]; then
          # xrandr --output $SEC_OUTPUT --auto $SEC_LOCATION
          xrandr --output $PRI_OUTPUT --mode $myNewModeName --output $SEC_OUTPUT --auto $SEC_LOCATION
          else
          xrandr --output $PRI_OUTPUT --mode $myNewModeName --output $SEC_OUTPUT --off
          fi





          share|improve this answer














          According to this at the Now automate it on login section, I have made my own script 45custom_xrandr-settings and placed it into /etc/X11/Xsession.d/. It works fine for me under Ubuntu 14.04 LTS. You could place the code below after the case command described in that section.



          PRI_OUTPUT="DVI-0";
          # Make and force resolution
          myNewMode=$(cvt 1366 768 60 | grep -oP 'ModelineK.*') && #grep evrything after 'Modline'
          myNewModeName="$(echo $myNewMode | grep -oP '"K[^"47]+(?=["47])' )" && #grep everything inside quotes
          xrandr --newmode $myNewMode;
          sleep 15;
          xrandr --addmode $PRI_OUTPUT $myNewModeName;


          I believe that the above is what you are looking for. You can see the available outputs simply by running the xrandr command. The outputs may be VGA, VGA-0, DVI-0, TMDS-1 or DisplayPort-0.



          Here is the complete script that I made.



          # To configure xrandr automatically during the first login, 
          # save this script to your computer as /etc/X11/Xsession.d/45custom_xrandr-settings:

          # If an external monitor is connected, place it with xrandr
          # External output may be "VGA" or "VGA-0" or "DVI-0" or "TMDS-1"

          # More info at http://www.thinkwiki.org/wiki/Xorg_RandR_1.2


          PRI_OUTPUT="DVI-0";
          SEC_OUTPUT="DisplayPort-0";
          SEC_LOCATION="left"; # SEC_LOCATION may be one of: left, right, above, or below

          case "$SEC_LOCATION" in
          left|LEFT)
          SEC_LOCATION="--left-of $PRI_OUTPUT"
          ;;
          right|RIGHT)
          SEC_LOCATION="--right-of $PRI_OUTPUT"
          ;;
          top|TOP|above|ABOVE)
          SEC_LOCATION="--above $PRI_OUTPUT"
          ;;
          bottom|BOTTOM|below|BELOW)
          SEC_LOCATION="--below $PRI_OUTPUT"
          ;;
          *)
          SEC_LOCATION="--left-of $PRI_OUTPUT"
          ;;
          esac

          # Make and force resolution
          myNewMode=$(cvt 1366 768 60 | grep -oP 'ModelineK.*') && #grep evrything after 'Modline'
          myNewModeName="$(echo $myNewMode | grep -oP '"K[^"47]+(?=["47])' )" && #grep everything inside quotes
          xrandr --newmode $myNewMode;
          sleep 15;
          xrandr --addmode $PRI_OUTPUT $myNewModeName;


          # Activate secondary out (display port)
          xrandr | grep $SEC_OUTPUT | grep " connected "
          if [ $? -eq 0 ]; then
          # xrandr --output $SEC_OUTPUT --auto $SEC_LOCATION
          xrandr --output $PRI_OUTPUT --mode $myNewModeName --output $SEC_OUTPUT --auto $SEC_LOCATION
          else
          xrandr --output $PRI_OUTPUT --mode $myNewModeName --output $SEC_OUTPUT --off
          fi






          share|improve this answer














          share|improve this answer



          share|improve this answer








          edited Oct 6 '15 at 2:44









          kos

          25.3k870119




          25.3k870119










          answered Sep 25 '15 at 12:15









          ioaniatr

          9614




          9614























              2














              Create the file ~/.xprofile and put your lines in it. It is ran at the beginning of the X user session.






              share|improve this answer

















              • 1




                this didnt work. commands fire up too early.
                – neckTwi
                May 27 '17 at 6:33










              • @neckTwi Thanks, I found that xrandr --output ... doesn't work but the previous two lines works. All in all this works for me.
                – golopot
                May 28 '17 at 5:45
















              2














              Create the file ~/.xprofile and put your lines in it. It is ran at the beginning of the X user session.






              share|improve this answer

















              • 1




                this didnt work. commands fire up too early.
                – neckTwi
                May 27 '17 at 6:33










              • @neckTwi Thanks, I found that xrandr --output ... doesn't work but the previous two lines works. All in all this works for me.
                – golopot
                May 28 '17 at 5:45














              2












              2








              2






              Create the file ~/.xprofile and put your lines in it. It is ran at the beginning of the X user session.






              share|improve this answer












              Create the file ~/.xprofile and put your lines in it. It is ran at the beginning of the X user session.







              share|improve this answer












              share|improve this answer



              share|improve this answer










              answered Feb 22 '17 at 23:00









              golopot

              1709




              1709








              • 1




                this didnt work. commands fire up too early.
                – neckTwi
                May 27 '17 at 6:33










              • @neckTwi Thanks, I found that xrandr --output ... doesn't work but the previous two lines works. All in all this works for me.
                – golopot
                May 28 '17 at 5:45














              • 1




                this didnt work. commands fire up too early.
                – neckTwi
                May 27 '17 at 6:33










              • @neckTwi Thanks, I found that xrandr --output ... doesn't work but the previous two lines works. All in all this works for me.
                – golopot
                May 28 '17 at 5:45








              1




              1




              this didnt work. commands fire up too early.
              – neckTwi
              May 27 '17 at 6:33




              this didnt work. commands fire up too early.
              – neckTwi
              May 27 '17 at 6:33












              @neckTwi Thanks, I found that xrandr --output ... doesn't work but the previous two lines works. All in all this works for me.
              – golopot
              May 28 '17 at 5:45




              @neckTwi Thanks, I found that xrandr --output ... doesn't work but the previous two lines works. All in all this works for me.
              – golopot
              May 28 '17 at 5:45











              0














              There's a way of doing that declaratively. I think it's much better.



              Create a new file 90-monitor.conf:



              Path: /usr/share/X11/xorg.conf.d/90-monitor.conf



              Content:



              Section "Monitor"
              Identifier "VGA1"
              Modeline "1368x768_60.00" 85.25 1368 1440 1576 1784 768 771 781 798 -hsync +vsync
              EndSection
              Section "Screen"
              Identifier "Screen0"
              Monitor "Monitor-VGA1"
              DefaultDepth 24
              SubSection "Display"
              Depth 24
              Modes "1368x768_60.00"
              EndSubSection
              EndSection





              share|improve this answer


























                0














                There's a way of doing that declaratively. I think it's much better.



                Create a new file 90-monitor.conf:



                Path: /usr/share/X11/xorg.conf.d/90-monitor.conf



                Content:



                Section "Monitor"
                Identifier "VGA1"
                Modeline "1368x768_60.00" 85.25 1368 1440 1576 1784 768 771 781 798 -hsync +vsync
                EndSection
                Section "Screen"
                Identifier "Screen0"
                Monitor "Monitor-VGA1"
                DefaultDepth 24
                SubSection "Display"
                Depth 24
                Modes "1368x768_60.00"
                EndSubSection
                EndSection





                share|improve this answer
























                  0












                  0








                  0






                  There's a way of doing that declaratively. I think it's much better.



                  Create a new file 90-monitor.conf:



                  Path: /usr/share/X11/xorg.conf.d/90-monitor.conf



                  Content:



                  Section "Monitor"
                  Identifier "VGA1"
                  Modeline "1368x768_60.00" 85.25 1368 1440 1576 1784 768 771 781 798 -hsync +vsync
                  EndSection
                  Section "Screen"
                  Identifier "Screen0"
                  Monitor "Monitor-VGA1"
                  DefaultDepth 24
                  SubSection "Display"
                  Depth 24
                  Modes "1368x768_60.00"
                  EndSubSection
                  EndSection





                  share|improve this answer












                  There's a way of doing that declaratively. I think it's much better.



                  Create a new file 90-monitor.conf:



                  Path: /usr/share/X11/xorg.conf.d/90-monitor.conf



                  Content:



                  Section "Monitor"
                  Identifier "VGA1"
                  Modeline "1368x768_60.00" 85.25 1368 1440 1576 1784 768 771 781 798 -hsync +vsync
                  EndSection
                  Section "Screen"
                  Identifier "Screen0"
                  Monitor "Monitor-VGA1"
                  DefaultDepth 24
                  SubSection "Display"
                  Depth 24
                  Modes "1368x768_60.00"
                  EndSubSection
                  EndSection






                  share|improve this answer












                  share|improve this answer



                  share|improve this answer










                  answered Jan 2 at 0:19









                  Paulo Romeira

                  1012




                  1012






























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