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Changing DPI on headless server


How to make “xrandr” work with GMA500?Falied installing ATI X.Org binary driver!! (ATI Radeon HD 5400)Configure 27" 2560x1440 for a monitor with corrupt EDIDUnable to change the refresh rate to 60hz with xrandrCan't get normal resolution on Ubuntu 13.04 with ATI Radeon HD 5470X failure on upgradeHow to determine the right dpi for a display?HiDPI modify dpi Gnome 3xrandr - fail to set custom screen resolution (Ubuntu 16.04)Snap-Apps on high DPI desktops













0















I run Xming and Putty. I just got a 3840x2160 monitor. I would like to change scaling of apps run on the Ubuntu server that appear on my Windows desktop. I changed Xming to let it handle the scaling, because everything was blurry. Now it is tiny. If I run 'xrandr' I get:



xrandr: Failed to get size of gamma for output default
Screen 0: minimum 3840 x 2160, current 3840 x 2160, maximum 3840 x 2160
default connected 3840x2160+0+0 0mm x 0mm
 3840x2160 0.00*


If I try to run 'xrandr --output default --scale 1.25x1.25' like I saw as an example elsewhere, I get:



X Error of failed request: BadRequest (invalid request code or no such operation)
 Major opcode of failed request: 146 (RANDR)
 Minor opcode of failed request: 25 (RRGetScreenResourcesCurrent)
 Serial number of failed request: 11
 Current serial number in output stream: 11


No idea.






xorg hdpi







share|improve this question


























    0















    I run Xming and Putty. I just got a 3840x2160 monitor. I would like to change scaling of apps run on the Ubuntu server that appear on my Windows desktop. I changed Xming to let it handle the scaling, because everything was blurry. Now it is tiny. If I run 'xrandr' I get:



    xrandr: Failed to get size of gamma for output default
    Screen 0: minimum 3840 x 2160, current 3840 x 2160, maximum 3840 x 2160
    default connected 3840x2160+0+0 0mm x 0mm
     3840x2160 0.00*


    If I try to run 'xrandr --output default --scale 1.25x1.25' like I saw as an example elsewhere, I get:



    X Error of failed request: BadRequest (invalid request code or no such operation)
     Major opcode of failed request: 146 (RANDR)
     Minor opcode of failed request: 25 (RRGetScreenResourcesCurrent)
     Serial number of failed request: 11
     Current serial number in output stream: 11


    No idea.






    xorg hdpi







    share|improve this question
























      0












      0








      0








      I run Xming and Putty. I just got a 3840x2160 monitor. I would like to change scaling of apps run on the Ubuntu server that appear on my Windows desktop. I changed Xming to let it handle the scaling, because everything was blurry. Now it is tiny. If I run 'xrandr' I get:



      xrandr: Failed to get size of gamma for output default
      Screen 0: minimum 3840 x 2160, current 3840 x 2160, maximum 3840 x 2160
      default connected 3840x2160+0+0 0mm x 0mm
       3840x2160 0.00*


      If I try to run 'xrandr --output default --scale 1.25x1.25' like I saw as an example elsewhere, I get:



      X Error of failed request: BadRequest (invalid request code or no such operation)
       Major opcode of failed request: 146 (RANDR)
       Minor opcode of failed request: 25 (RRGetScreenResourcesCurrent)
       Serial number of failed request: 11
       Current serial number in output stream: 11


      No idea.






      xorg hdpi







      share|improve this question














      I run Xming and Putty. I just got a 3840x2160 monitor. I would like to change scaling of apps run on the Ubuntu server that appear on my Windows desktop. I changed Xming to let it handle the scaling, because everything was blurry. Now it is tiny. If I run 'xrandr' I get:



      xrandr: Failed to get size of gamma for output default
      Screen 0: minimum 3840 x 2160, current 3840 x 2160, maximum 3840 x 2160
      default connected 3840x2160+0+0 0mm x 0mm
       3840x2160 0.00*


      If I try to run 'xrandr --output default --scale 1.25x1.25' like I saw as an example elsewhere, I get:



      X Error of failed request: BadRequest (invalid request code or no such operation)
       Major opcode of failed request: 146 (RANDR)
       Minor opcode of failed request: 25 (RRGetScreenResourcesCurrent)
       Serial number of failed request: 11
       Current serial number in output stream: 11


      No idea.






      xorg hdpi




      xorg hdpi






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked 2 hours ago









      timramichtimramich

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