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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

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9 views

startx not automatically running on reboot

When starting up by machine, I am prompted with a terminal asking me to login, rather than the nice GUI that I am use to. When I login in, I am able to run startx and everything works smoothly. I ...
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10 views

Upgrade fails from 4.17.6-100.fc27.i686+PAE to 4.20.14-200.fc29.i686

When upgrading from 4.17.6-100.fc27.i686+PAE to any higher level the backup fails. The screen font size does not get reduced and the boot process locks up near the end with "starting Gnome Display ...
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28 views

Nvidia Graphics driver problems with gdm3 and external display connection

I'm experiencing multiple issues with my Nvidia driver, the one I'm trying to fix right now is that my laptop won't detect an external display connected via HDMI. For some reason I don't have a xorg....
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17 views

External network display for playing media

On my Windows 10 computer I was able to right click a media file (video) and choose "Play To ..." and then select my Sony Tv which was plugged into the network. The video would then play with the ...
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0answers
7 views

Is it possible to stop xrandr to move with my cursor while panning?

I'm currently zooming screen with xrandr --output Virtual1 --panning 1920x1080 --mode 640x360 but while I zoom in the screen moves with my cursor. So I'm wondering is there any option (or can I edit ...
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1answer
24 views

How to split screen in 2 in X11?

I'm currently using Linux Mint 19.1 Cinnamon using 2 monitors. But 1 of my monitors might break down soon. Since both are as old as the other I suspect I will have none a little later. 1 option I ...
1
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1answer
10 views

debootstrap chroot x11 cannot open display 0 no protocol error

after installing a chroot, I found trouble when connecting to x11, I would think this was a normal use case but coudln't find anything specific about this use case # debootstrap stable /srv/stable/ .....
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20 views

DISPLAY Variable Set but getting Fatal Error when installing

Display Variable Set, Xclock is opening.. but when installing i am getting below issue, oracle@training ODI]$ pwd /u01/app/oracle/ODI [oracle@training ODI]$ export DISPLAY=:0 [oracle@training ODI]$ ...
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24 views

Is there any terminal tool where you can zoom in and out the screen?

So I know there's zooming tool in universal access menu in Ubuntu, but currently I can't find how to operate it through command line, plus it can't zoom out. My second attempt is use xrandr --output ...
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19 views

Bodhi Linux: no output on HDMI

I'm running Bodhi Linux on a Sony VAIO, with the following config: Linux jess-SVS1313C5E 4.15.0-20-generic #21-Ubuntu SMP Tue Apr 24 06:16:15 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux from lshw: ...
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1answer
42 views

Laptop does not enter suspend state when lid is closed

I installed Manjaro 18.0.4 (Gnome) on my Lenovo P50. After setting the NVidia graphics card as the primary card and removing all drivers for the onboard intel GPU, the laptop does not suspend when I ...
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1answer
90 views

Manjaro KDE multimonitor issues - GPU outputs not detected after restart

I am using Manjaro for the support for kdenlive alongside playing games. The way my two monitors were set up on windows 10 originally was having a DVI cable for my old monitor plugged into my ...
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18 views

X11 logout on display :0 messes the behaviour of other X11 displays running at the same time

Working on any of the conventional desktop environments (KDE, mate, cinnamon, etc, wich usually run on the display :0 ), I am able to successfully launch a vnc xserver on display :1, and connect to ...
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30 views

Increase FPS in new X display

I am trying to run an application in a different 'fake' X display, but I noticed that the performance (FPS) of the application if much smaller than in my original X display. I tried to use Xephyr, ...
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112 views

Connecting a second monitor via DisplayLink on Debian

Problem: I am unable to connect my second monitor. Background: I freshly installed DebianStretch on my desktop computer. Before this, I was running Windows 10 on my host and Debian in a virtual ...
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0answers
25 views

Excluding a Portion of a Monitor from the Desktop

My monitor supports configurable pictute-in-picture. I like to keep my Linux desktop connected to the main mDP input, with a second machine connected via HDMI shown as PIP in the bottom-right corner. ...
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0answers
13 views

Independent control of display scale

Just got my first Librem laptop and trying to figure out how to set it up with my two 34in 4K displays... I was able to get one of them working by setting up a custom modeline with xrandr and creating ...
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1answer
125 views

How can I lock the screen of a remote machine?

From https://unix.stackexchange.com/a/505644/674 When you're using SSH, you can access the screen you're connected from by using ssh -X or ssh -Y . Programs can perfectly run on a machine and ...
1
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1answer
37 views

How can I find out the X servers (command, or pid) for display numbers?

From https://unix.stackexchange.com/a/17278/674 Local displays correspond to a socket in /tmp/.X11-unix. (cd /tmp/.X11-unix && for x in X*; do echo ":${x#X}"; done) On a computer: $ (cd /...
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1answer
68 views

Why can't I start a GUI program on the default `$DISPLAY` on a remote ssh server host?

I ssh to a remote host (without X forwarding). In the shell created by sshd on the remote host, why can't I start a GUI program on the default $DISPLAY $ eog Unable to init server: Could not connect:...
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1answer
42 views

What is the difference between a display (or screen) and a terminal?

https://www.x.org/archive/X11R6.8.0/doc/X.7.html#sect4 The phrase "display" is usually used to refer to collection of monitors that share a common keyboard and pointer (mouse, tablet, etc.). Most ...
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2answers
129 views

Does a display server start in a display or a screen or a monitor?

https://unix.stackexchange.com/a/503874/674 says The display is effectively the X server; there is exactly one display per X server. So multiple X servers can’t run simultaneously on the same ...
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1answer
82 views

Does `$DISPLAY` specify both a listening socket and a rendering target of a X server at the same time?

From Can I specify an arbitrary `$DISPLAY`? Do not confuse the actual display (your monitor(s)), the X11 server ("display"), and the way it's accessed via sockets or other means: DISPLAY=:0 and ...
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1answer
83 views

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 ...
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2answers
192 views

Forwarding an entire desktop over SSH without third party tools

Something that's always bugged me and I've been unable to find good information on: How can you or why can't you forward an entire desktop over SSH (ssh -X)? I'm very familiar with forwarding ...
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11 views

External display briefly turns off under load

I am currently running Fedora 29 (but the same thing was happening under Ubuntu 18.10) on Lenovo X1 Carbon 6th gen. When I am putting my computer under a slight load external display turns off for ...
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41 views

How shall I start Vino server (possibly after ssh to the server host)?

I am following https://askubuntu.com/a/530196/1471 to start vino server. (By the way, not sure if related, I had some security problem before after running the commands. See https://askubuntu.com/...
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25 views

Making backlight brightness persistent across reboots [duplicate]

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 ...
0
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1answer
81 views

HDMI Not detected / HDMI Disconnected

I'm running Linux Mint with MATE. My external HDMI monitors no longer work with my single HDMI port. lspci -v 00:00.0 Host bridge: Intel Corporation Haswell-ULT DRAM Controller (rev 0b) ...
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0answers
29 views

CentOS 7.6 Computer Freezes When Changing Display Settings

I am using three monitors and am having an issue where the primary monitor is off to the far left. When I go into the Gnome settings and try and move the monitors around, it freezes. If I unhook and ...
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0answers
46 views

Making external display DPI settings permanent

System: Linux Mint 19.1 Cinnamon. Hardware: Laptop screen: 3840x2160 + HDMI screen 1920x1080. I have enabled Double DPI in General settings. It works fine for the laptop display, but now I connected ...
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1answer
54 views

What is the relation between X server and display?

What is the relation between X server and display? Can multiple X servers run simultaneously on the same display? Can a X server run simultaneously on multiple displays? Thanks.
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1answer
283 views

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 ...
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108 views

Linux Mint 19 buggy display on external monitor

I have an older Lenovo P500 laptop (Hardware maintenance manual) w/ HDMI and VGA outputs running Linux Mint 19. I would like to use a Dell E2414H monitor which has VGA and DVI-D inputs. I initially ...
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0answers
175 views

Setup dual monitor Linux Mint

I'm running Linux Mint 19.1 on my Dell e6530 laptop which has a maximum resolution of 1600x900. I have connected an external monitor capable of 1920x1080 via HDMI and set this monitor as primary with ...
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53 views

Third monitor won't turn on Ubuntu 18.04 on Lenovo P51

I can't activate my third monitor, also not from the display settings panel. Here is the output of xrandr ➜ ~ xrandr Screen 0: minimum 320 x 200, current 3840 x 1080, maximum 8192 x 8192 eDP-...
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1answer
56 views

Uniquely identify DP monitors for use in xrandr

I have 2 monitors plugged in via DisplayPort*, named DP1 and DP2. I configure them next to each other like this: xrandr --output DP1 --pos 0x0 --output DP2 --pos 3840x0 Problem: Sometimes, they are ...
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0answers
35 views

xrandr (1.5.0) artifacting in i3wm (4.16.1) after upgrading Arch Linux

Bit of an unusual issue. I just updated Arch Linux, but I hadn't rebooted in a quite awhile so it might not have even been a recent updgrade. I'm getting some weird artifacting at the bottom of my ...
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0answers
38 views

Send to USB attached touch screen monitor with xrandr

I have a project which involves buying a 5'' inch USB Touch Screen (from Raspberry Pi) to create an "info" screen: to control brightness, volume, current music, open shortcuts, etc... I have the ...
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72 views

Change position on the graph screen gnuplot in bash script

i have a script in bash that read the file Throughputtx.txt and print this information in a graph of GNUPLOT, but this graph goes to the left side of my screen and I want it to be printed in the ...
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0answers
107 views

Monitor not waking up on start

I have two monitors (both are Dell u2515); they are connected to the motherboard by a daisy-chain cable, both DP 1.2, but I cannot get both of my monitors to wake up on start. The mointor connected ...
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1answer
25 views

How to distinguish attached monitors?

To automatically change the display layout of the Xserver when I dock my laptop I need not only detect that this event actually happened but also which monitors are connected to be able to distinguish ...
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0answers
32 views

Display blacking out on boot (Macbook Linux)

(Please note that I am breaking this out as a separate question from this one I asked earlier: How exactly do the Linux display device files work?) I have a Linux From Scratch system that I've built (...
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0answers
111 views

How exactly do the Linux display device files work? [closed]

I don't really understand how the Linux display device files work and interact together. What files in the /dev tree need to go where and where do they need to connect/point to, in order to show a ...
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1answer
133 views

Kali linux installation graphics messed up [duplicate]

I made a Kali linux installation medium using rufus, and live works only in forensic mode. And all other modes like install isn't working. It has to be UEFI: And his happens. I tried DD and iso, ...
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41 views

Display keeps blacking out (i915)

I am experiencing a very annoying display problem on my laptop, which I am struggling to troubleshoot: The display is frequently blacking out. When it does this, the system keeps running in the ...
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0answers
23 views

Reduce used display size for both X server and console

I have the situation that I have a LCD display that I would like to use but I want to have a "black unused frame" around the displayed content. Is there a kernel setting which controls the used ...
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0answers
434 views

How to enable the full screen mode for Kali Linux on Hyper-V virtual machine

I have successfully installed Kali Linux on Hyper-V. The problem is that the OS doesn't take the whole screen. It takes only part of it. How to make Kali Linux run on full screen (physical)?
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62 views

Display freezes when HDMI is not connected

I have an Acer Aspire E 15 on which I installed Archlinux with XFCE as my DE. However, I find that the laptop's display completely freezes as soon as I disconnect the HDMI cable to my external monitor....
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1answer
226 views

Deepin Linux: Onboard HDMI not working (shows only on boot/shutdown)

I have a Dell XPS desktop with Deepin Linux where the onboard HDMI doesn't work (no signal). Based on the Ubuntu collected from Ubuntu, Deeping is not identifying some HDMI ports (uname/xrandr/lshw ...