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March 8, 2017 22:52
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| # Xorg.conf config for dummy video driver | |
| # For usage with for example TeamViewer on a machine without a monitor attached | |
| # and you wanted more then just 1024x768 ;) | |
| # | |
| # Use at own risk, loosly based on info scattered around but these links really helped | |
| # http://arachnoid.com/modelines/ for the modelines (lot of trial and error to figure out which worked over Teamviewer and Xorg) | |
| # https://www.xpra.org/xorg.conf sample config from xpra who seems to use the dummy driver a lot (thanks guys!) | |
| Section "Device" | |
| Identifier "dummy_videocard" | |
| Option "NoDDC" "true" | |
| Option "IgnoreEDID" "true" | |
| # Debian: apt-get install xserver-xorg-video-dummy | |
| Driver "dummy" | |
| # You could lower this to suit your needs, however you will need | |
| # a quite high amount to run such crazy resolutions | |
| VideoRam 524288 | |
| EndSection | |
| Section "Monitor" | |
| Identifier "dummy_monitor" | |
| # 16:9 4k | |
| Modeline "3840x2160_20.00" 218.15 3840 4016 4416 4992 2160 2161 2164 2185 | |
| # 21:9 "4k" | |
| Modeline "3440x1440_20.00" 124.95 3440 3520 3864 4288 1440 1441 1444 1457 | |
| # Usual 27" suspect before 4k era | |
| Modeline "2560x1440" 42.12 2560 2592 2752 2784 1440 1475 1478 1513 | |
| # Oddball 1920 resolution | |
| Modeline "1920x1440" 69.47 1920 1960 2152 2384 1440 1441 1444 1457 | |
| # 16:10 "Full-HD" | |
| Modeline "1920x1200" 26.28 1920 1952 2048 2080 1200 1229 1231 1261 | |
| # 16:9 Full HD | |
| Modeline "1920x1080" 23.53 1920 1952 2040 2072 1080 1106 1108 1135 | |
| # These are just crazy high to ensure stuff works | |
| HorizSync 5.0 - 1000.0 | |
| VertRefresh 5.0 - 1000.0 | |
| EndSection | |
| Section "Screen" | |
| Identifier "dummy_screen" | |
| Device "dummy_videocard" | |
| Monitor "dummy_monitor" | |
| DefaultDepth 24 | |
| SubSection "Display" | |
| Depth 24 | |
| Modes "3840x2160_20.00" "3440x1440_20.00" "2650x1440" "1920x1440" "1920x1200" "1920x1080" | |
| # Not sure why, but 3440x1440 won't work when the Virtual is set to "3840 2160" | |
| # However it will complain in the Xorg.log when you didn't comment out the 3840x2160 resolution at the top | |
| # | |
| # Uncomment this for 21:9 4k | |
| Virtual 3440 1440 | |
| # Uncomment this for 16:9 4k | |
| #Virtual 3840 2160 | |
| EndSubSection | |
| EndSection |
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I wrote this to use Teamviewer on a remote machine without a graphics-card but do want to use high resolutions. I wanted to use full-screen on my 21:9 shinyness which does 3440x1440. However I couldn't get past 1324x768 with normal configs.
Hard pressed to get it working I decided to sacrifice an evening to it. It now works, and it's gorgeous :)
On Debian Jessie this file was found at
/usr/share/X11/xorg.conf.d/xorg.confOther packages needed were:
xserver-xorg-video-dummyand Teamviewer.Sample of Teamviewer showing the new available resolutions:
(off-topic: not sure why the screenshot is blurry, it seems Monosnap doesn't appreciate my high resolution across two monitors, but that was the only way I could snap the menu)