X Display Manipulation: Difference between revisions

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== Rotate Screen ==
== Rotate Screen ==
Try
{{code|xrandr}} lets you rotate screens.
xrandr -o left


To have it initialize when X starts, you could try putting that line in <code>/etc/gdm/Init/Default</code>
{{highlight|lang=terminal|code=
$ xrandr -o left
}}


== Dual-head Displays ==
If for some reason your dual-head configuration isn't being saved properly, you can use {{code|xrandr}} to adjust the screens as part of a login-script.


== Turn On / Off Screen ==
Something along the lines of:
{{highlight|lang=terminal|code=
# xrandr --output DVI-1-0 --mode 1920x1080 --primary \
        --output DisplayPort-1-2 --mode 1920x1080 --right-of DVI-1-0 \
        --output HDMI1 --mode 1920x1080 --same-as DisplayPort-1-2
}}


To turn on:
xset dpms force on


To turn off:
== Controlling Screen Power/Sleep ==
xset dpms force off


[[Category:Linux]]
{| class="wikitable"
! Command
! Description
|-
| {{highlight|lang=terminal|code=
$ xset dpms force on
$ xset s reset  # may be required to unblank screen
}}
| Turn on screen
|-
| {{highlight|lang=terminal|code=
$ xset dpms force off
}}
| Turn off screen
|-
|{{highlight|lang=terminal|code=
$ xset +dpms
$ xset dpms 600 600 600
}}
| Enable sleep (eg. after 10 minutes)
|-
|{{highlight|lang=terminal|code=
$ xset -dpms
}}
| Disables sleep
|}
 
You may also use {{code|xset -q}} to get the current display status.
 
{{Navbox Linux}}[[Category:Linux]]

Latest revision as of 06:21, 1 September 2019

Rotate Screen

xrandr lets you rotate screens.

$ xrandr -o left

Dual-head Displays

If for some reason your dual-head configuration isn't being saved properly, you can use xrandr to adjust the screens as part of a login-script.

Something along the lines of:

# xrandr --output DVI-1-0 --mode 1920x1080 --primary \
         --output DisplayPort-1-2 --mode 1920x1080 --right-of DVI-1-0 \
         --output HDMI1 --mode 1920x1080 --same-as DisplayPort-1-2


Controlling Screen Power/Sleep

Command Description
$ xset dpms force on
$ xset s reset  # may be required to unblank screen
Turn on screen
$ xset dpms force off
Turn off screen
$ xset +dpms
$ xset dpms 600 600 600
Enable sleep (eg. after 10 minutes)
$ xset -dpms
Disables sleep

You may also use xset -q to get the current display status.