Unix and Linux Stack Exchange
Unix and Linux Stack Exchange

Questions tagged [display]

Questions regarding the display(s) attached to a unix or linux machine, the DISPLAY environment setting, the ImageMagick display tool or (along with X11 tag) remote display redirection

693 questions
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Why I can't export the Linux DISPLAY?

I am having problems with this and I don't know why. There are many related questions but none of them helped me. I have two VMs: CentOS 7 with GNOME 192.168.1.53 Mint 17.1 Rebbeca with XFCE 192.168.1.54 I know that by default exporting the display…
Spirit
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2
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0 answers

Making backlight brightness persistent across reboots

I have two X200 Thinkpads. They both have the rather annoying problem that, unless the display backlight is set to its maximal value, it emits an unbearable noise. The odd thing is that one of them boots with the max. value and the other does not.…
Toothrot
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1
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Red terminal text on dark background hard to see on monitor

Question: how to make red terminal text on dark background NOT hard to see on my monitor? I have an LG 43UD79-B 4K IPS Monitor. I connect both my Macbook Pro and a Ubuntu Desktop PC (via HDMI) to it. On Ubuntu, I noticed that the red text on black…
KFL
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1 answer

How to specify display to stream using v4l2loopback?

I have a setup with 2 monitors. I'm on Manjaro, I installed v4l2loopback from AUR (here is github link: https://github.com/umlaeute/v4l2loopback)and it works great, no problem there. But my question is how to specify which monitor I want it to use?…
John
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vote
1 answer

Fuzzy screen on startup

I recently started getting a fuzzy screen on start up when booting into Fedora. The best way to describe it is to say the screen looks like it has a H-Scroll problem - fuzzy horizontal lines. The mouse pointer is stable however. My current work…
Andrew Heath
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vote
1 answer

Can I specify an arbitrary `$DISPLAY`?

My computer has only one display. Does it correspond to $DISPLAY :0? Can an application run on an arbitrary display number, even if I don't see it? $ DISPLAY=:40 firefox Can a X server run on an arbitrary display number? Will the kernel implicitly…
Tim
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Display Settings won't save: XRandR2 problem

I'm running SparkyLinux v5 Nibiru (Gameover Edition) on a Toshiba Laptop I attached the HDMI port to an Insignia television. When I tried to modify the settings, it gave me the following error: GDBUS:…
Adam Gluntz
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display randomly freezing (mouse still works) long term issue happens on both ubuntu 14 and mint 18

I have a fresh install of mint 18.2 however this mint install replaced ubuntu 14.4 and the identical issue happened with ubuntu machine specs here: https://gist.github.com/anonymous/622f9d3cebc52391ffda331423d498ce When it locks up only the mouse…
brenwa
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1 answer

Debian 10 installation. Display resolution stuck at single default monitor 720x400

Fresh install of Deb 10. ATI RADEON 3000 on board GPU I installed this with a really cheap/small AOC monitor via a VGA connect. I do not know if this had anything to do with my problem. I connected the PC to a TCL ROKU UHD TV via HDMI cable. I…
Michael Delaney
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How to partially disable a Linux screen via grid selection

Let's say a user is running a program (for example a browser) on a 1920x1080 monitor but is only interested in columns 640-1919. Hypothetically, this user suffers from epilepsy and has observed that the unholy flickering of certain advertisements in…
Bad Loser
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Black Virtual Bezel

Context: HP 8440P Laptop (NVIDIA GT218M [NVS 3100M]) outfitted with Ubuntu 16.04. When the laptop is screen is closed, I believe the OS is 'suspended'. When reactivated, sometimes the windows will have black 'bezels`. The windows are active and…
gatorback
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