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
Questions tagged [display]
676 questions
117
votes
2 answers
How do keyboard input and text output work?
Suppose I press the A key in a text editor and this inserts the character a in the document and displays it on the screen. I know the editor application isn't directly communicating with the hardware (there's a kernel and stuff in between), so what…
Gilles 'SO- stop being evil'
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votes
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How do I scale i3 window manager for my HiDPI display?
I have a Dell XPS 13 9343 2015 with a resolution of 3200x1800 pixels.
I am trying to use i3 windows manager on it but everything is tiny and hardly readable.
I managed to scale every applications (firefox, terminal, etc...) using .Xresources :
!…
hg8
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57
votes
5 answers
Sharing your desktop with Google Hangouts, dual monitor and GNOME Shell
I have a laptop with a built-in screen and an attached monitor.
When I start a Google's video Hangout and share my desktop, I would like to be able to share only the attached screen, but I don't know how.
Right now I have two monitors: LVDS1…
Peque
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49
votes
6 answers
Can Linux deal with ultra high resolution displays?
A few months ago, Samsung announced the Ativ Book 9 Plus, a pretty cool ultrabook with a screen resolution of 3200 x 1800 pixels (QHD+).
The device ships with Windows 8 until Windows 8.1 is released and Samsung declared that only Windows 8.1 will be…
Martin
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43
votes
4 answers
How to set the bash display to not show the vim text after exit?
My question is simple, but I am finding it hard to frame/explain it easily.
I log into several Unix boxes with different accounts. I see 2 different things for user1 and user2, while editing text files in vim
user1
When I type vim filename, vim…
mtk
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40
votes
2 answers
What is DISPLAY=:0?
What is DISPLAY=:0 and what does it mean?
It isn't a command, is it? (gnome-panel is a command.)
DISPLAY=:0 gnome-panel
Tim
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31
votes
7 answers
Cygwin on Windows: Can't open display
I am running Windows 10 on my Surface Pro 3. I installed Cygwin and also added some useful packages (gvim, nedit, emacs, vim, g++). However, when I run gvim, I get "Can't open display". The same thing happens with nedit. When I did echo $DISPLAY, I…
John
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25
votes
3 answers
How to get information about which display server is running?
I'm using Ubuntu 15.10 and i want to know which display server is running. In first version of Ubuntu it is definitely X server, but recently i got updated my Ubuntu 15.10 and i came to know that some Mir Server packages are going to be installed so…
user137124
23
votes
1 answer
How do I take a screen shot of my Xvfb buffer?
I'm using Amazon Linux. I want to run a headless chromium browser to use on my node.js Selnium tests. So I fire up my Xvfb server like so ...
if ! pidof /usr/bin/Xvfb; then Xvfb :0 -screen 5 1024x768x8 & fi
However, when I try and take a…
Dave
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22
votes
2 answers
Why is Gnome fractional scaling 1.7518248558044434 instead of 1.75?
If I set 175% scaling in Gnome Settings, the value is saved as 1.7518248558044434 in ~/.config/monitors.xml:
0
0
1.7518248558044434
…
Damn Vegetables
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20
votes
1 answer
What are X server, display and screen?
From https://unix.stackexchange.com/a/17278/674
If you run ssh -X localhost, you should see that $DISPLAY is
(probably) localhost:10.0. Contrast with :0.0, which is the value
when you're not connected over SSH. (The .0 part may be omitted;
…
Tim
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19
votes
12 answers
Is there a Linux graphics program that displays man commands in a browser?
Is there a Linux graphics program that displays man commands in a browser?
I need a program that allows me to display all man commands in a browser, or in some graphics program, so that they can be up all the time, rather than having to view them…
vfclists
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17
votes
1 answer
How to modify the default setting adopted by xrandr when connecting an external monitor?
I am confronted with a problem when connecting the external monitor while the computer is open.
At that point it seems that xrandr adopts one of the combinations that do not work.
As a workaround to the other larger problem, I want to be able to…
user32012
17
votes
2 answers
How to setup GParted video mode in Oracle Virtualbox?
I'm trying to boot GParted live 0.14.1-6 within Oracle Virtualbox 4.2.6 r82870 (Extension Pack installed).
The host OS is Windows 7, the physical graphic card is an AMD Radeon HD 6900.
The physical CPU is an AMD Phenom II X6 1100T.
I created a VM…
g0lem
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17
votes
1 answer
Enable external display on FreeBSD console
tl;dr, I'd like to use the external display with FreeBSD 10.0 on an HP Pavilion g7-2270us. Don't care if it's mirrored or I have to select one or the other.
Here's the symptoms:
When a display is plugged into the external VGA display port, both the…
wxl
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