59
votes
How to disable global <Super>-p shortcut?
On Ubuntu 18.04, I found two different keybindings for SUPER+P, which can be disabled with dconf-editor.
First, you need to install dconf-editor, if it's not already installed. This can be done in ...
- 691
44
votes
How do I save my new resolution setting with xrandr?
The accepted answer applies the same configuration regardless of the status of connected displays. This didn't work for me, as I'm connected to different displays at work and at home. autorandr allows ...
- 553
39
votes
Accepted
How do I save my new resolution setting with xrandr?
You have several choices but perhaps the easiest is to place your command exactly as you have given above in your $HOME/.xprofile file. From this location it will be executed every time you login.
By ...
- 36.7k
30
votes
Failed to get size of gamma for output default when trying to add new screen resolution
I tried almost all the answers with xrandr in English version, and I always have the same error message xrandr: Failed to get size of gamma for output default.
Then, there is one solution in Chinese ...
- 417
29
votes
Accepted
How to use "xrandr --gamma" for Gnome "Night Light"-like usage?
December 9, 2018 Update - sct
I found source code for program sct which allows user to set color temperature. It has "cribbed the code" from redshift and provides mapping for red, green and ...
- 98.7k
27
votes
Accepted
How to change display's position from command line?
Try this:
xrandr --output eDPI1 --mode 1024x768 --pos 0x0 --rotate normal --output HDMI2 --mode 1366x768 --pos 1024x384 --rotate normal
- 102k
26
votes
How to run xrandr commands at startup in Ubuntu
Adding complicated commands to Startup Applications
In General, you can add commands to run on start up (log in) by choosing: Dash > Startup Applications > Add. In this case, you have a complicated ...
- 82.1k
23
votes
How do I set a custom resolution?
How to set a custom resolution previously specified. After executing the other steps defined to create the resolution, run:
xrandr -s 1680x1050
- 331
21
votes
Mouse flickering on one of my two screens
Changing the scaling factor from 1x1 to 0.9999x0.9999 did the trick for me
xrandr --output eDP-1 --scale 0.9999x0.9999
- 311
20
votes
Xrandr message: Rate 144.0 Hz not available for this size
I had the same problem with my 144hz monitor. You might try using a full set of parameters. For example, to get my 2560x1440 screen to operate at 144hz, I had to do the following:
Run xrandr to find ...
- 310
19
votes
Accepted
How can I list connected monitor(s) with xrandr?
I am not sure how you are going to apply it in your application ("enable a user to have their desired resolution without requiring graphics drivers" ?), but:
A terminal command to list connected ...
- 82.1k
17
votes
Accepted
Why do xrandr errors "BadMatch", "BadName", "Gamma Failed" happen?
Minimum Info
You are going to ask a question then add the link generated by this command
sudo apt-get install pastebinit; sudo sh -c "lsb_release -sd; dmidecode -s system-product-name; echo ==; ...
- 46.9k
14
votes
How do I set a custom resolution?
How to set a custom resolution previously specified when running multiple monitors. After executing the other steps defined to create the resolution, run:
xrandr --output DVI-0 --mode 1680x1050
...
- 267
14
votes
Accepted
What does grep do?
From man grep (emphasis mine):
grep searches the named input FILEs (or standard input if no files are
named, or if a single hyphen-minus (-) is given as file name) for lines
containing a match to ...
- 191k
14
votes
Accepted
External monitor turns off for several seconds every 5-10 minutes
If your screen is switching off it might be struggling to keep sync with the output signal.
There are two main reasons for this , the first is refresh rates being too high for the screen to keep up ...
- 5,177
13
votes
How to disable global <Super>-p shortcut?
Here's how to disable it with gsettings from your terminal
gsettings set org.gnome.mutter.keybindings switch-monitor "[]"
If you want to restore the shortcut
gsettings set org.gnome.mutter....
- 447
12
votes
How do I set a custom resolution?
Thanks to thom and thirdender this is basically a single command configuration based on the most voted answer.
RES="1920 1200 60" && \
DISP=$(xrandr | grep -e " connected [^(]" | sed -e "s/\([...
- 466
11
votes
How to run xrandr commands at startup in Ubuntu
According to this at the Now automate it on login section, I have made my own script 45custom_xrandr-settings and placed it into /etc/X11/Xsession.d/. It works fine for me under Ubuntu 14.04 LTS. You ...
- 1,211
11
votes
Accepted
When will xrandr version 1.5.1 be available in Ubuntu?
Actually, unlike libXrandr.so.2, the xrandr program is far from being mission-critical. It's just an X client — an unprivileged app you could install into your home directory to avoid clobbering the ...
- 1,573
10
votes
What does grep do?
When you do:
xrandr | grep " connected "
you are basically redirecting the standard output (file descriptor 1, /dev/stdout) of xrandr to the standard input (file descriptor 0, /dev/stdin) of grep, ...
- 89.8k
10
votes
Increment Brightness by value using xrandr
Copy bash script below to a file called bright
Then mark it executable with chmod a+x bright
Bash Script
#!/bin/bash
MON="DP-1-1" # Discover monitor name with: xrandr | grep " ...
- 98.7k
9
votes
How to standby a monitor using xset in multi monitor setup?
Controlling individual monitors is not possible with xset ( and X11 actually)
As the title suggests, it is not possible for reasons of how xset is built and due to the X11 functions it uses. If we ...
- 102k
8
votes
Accepted
Run script when monitor is connected
An alternative way to run a command if a screen is connected or disconnected
An alternative solution would be to run a tiny background script. Running the script below in the background, I could not ...
- 82.1k
8
votes
How can I list connected monitor(s) with xrandr?
You can use the bash command with popen:
import os
list_display = os.popen("xrandr --listmonitors | grep '*' | awk {'print $4'}").read().splitlines()
# or based on the comment of this answer ...
8
votes
Accepted
144Hz monitor stuck at 60Hz
Sometimes, you need to add the command in your configuration including all the parameters.
I had the same issue. Adding xrandr --output DVI-I-2 --mode 1920x1080 --rate 144.00, where you of course ...
- 1,540
7
votes
How do I resolve desktop larger than screen?
NOTE: I'm answering this question because it is the first result that appears in a google search.
I had this same problem and I spent ages searching for a way to fix it within Ubuntu to no avail.
...
- 171
7
votes
Accepted
Output of xrandr shows 1024x768+1366+0; what does it mean and can I change it?
As Muru mentions, the 1366 is the horizontal offset of your screen.
How to read the output of xrandr
An example:
Imagine your two screens, placed together into a frame. Together, they will make a ...
- 82.1k
7
votes
Visual fatigue in Ubuntu
59.79 is really 60. Sometimes refresh rates are off of 60 by a tiny bit, but it shouldn't matter. Any visual fatigue you're experiencing could be fixed by using a different desktop environment, such ...
- 19.3k
7
votes
How do I save my new resolution setting with xrandr?
The following simple configuration works for me, and when connected, my monitor automatically uses the correct resolution without any manual intervention.
sudo nano /etc/X11/xorg.conf
Note that this ...
- 195
7
votes
Can I make a screen switch from one computer to another by cli?
If making the screen sleep works, then almost certainly the toggle- script below will work:
#!/bin/bash
# --- set your monitor below
monitor=VGA-0
# ---
if [ -z "$(xrandr | grep $monitor | grep +)" ];...
- 82.1k
Only top scored, non community-wiki answers of a minimum length are eligible