kumar-rajeswaran · October 13, 2023 10:00 · May 10, 2021 · Jun 2, 2019 · May 26, 2012
diff --git a/xrandr.sh b/xrandr.sh
@@ -1,5 +1,30 @@
 #!/bin/bash
 
+# Copyright (c) 2021 Soumya Deb <[email protected]>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+#
+# ---
+# Q: WHY IS THERE A COPYRIGHT NOTICE ON THIS SCRIPT?
+# A: It had to be added on (a very reasonable) user request.
+# https://gist.github.com/chirag64/7853413#gistcomment-3736041
+
 # First we need to get the modeline string for xrandr
 # Luckily, the tool `gtf` will help you calculate it.
 # e.g. `gtf <hRes> <vRes> <refreshRate>`:

diff --git a/xrandr.sh b/xrandr.sh
@@ -2,8 +2,7 @@
 
 # First we need to get the modeline string for xrandr
 # Luckily, the tool `gtf` will help you calculate it.
-# All you have to do is to pass the resolution & the-
-# refresh-rate as the command parameters:
+# e.g. `gtf <hRes> <vRes> <refreshRate>`:
 gtf 1920 1080 60
 
 # In this case, the horizontal resolution is 1920px the
@@ -14,14 +13,13 @@ gtf 1920 1080 60
 # e.g. "1920x1080_60.00"  172.80  1920 2040 2248 2576  1080 1081 1084 1118  -HSync +Vsync
 # Copy this entire string (except for the starting "Modeline")
 
-# Now, use `xrandr` to make the system recognize a new
-# display mode. Pass the copied string as the parameter
-# to the --newmode option:
+# Now, use `xrandr` to add a new display mode. Pass the
+# copied string as the parameter to the --newmode option:
 xrandr --newmode "1920x1080_60.00"  172.80  1920 2040 2248 2576  1080 1081 1084 1118  -HSync +Vsync
 
 # Well, the string within the quotes is the nick/alias
 # of the display mode - you can as well pass something
-# as "MyAwesomeHDResolution". But, careful! :-|
+# as "MyAwesomeHDResolution". But, why though!?!
 
 # Then all you have to do is to add the new mode to the
 # display you want to apply, like this:
@@ -33,8 +31,12 @@ xrandr --addmode VGA1 "1920x1080_60.00"
 # you've set in the previous command (--newmode)
 
 # It should add the new mode to the display & apply it.
-# Usually unlikely, but if it doesn't apply automatically
-# then force it with this command:
+# If it doesn't apply automatically, force it with:
 xrandr --output VGA1 --mode "1920x1080_60.00"
 
-# That's it... Enjoy the new awesome high-res display!
+# That's it... Enjoy the new awesome high-res display!
+
+# NOTE to make the change persistent over reboots:
+# - save the script file (with the necessary changes)
+# - run it at startup (search the web for "How To")
+# Thanks for the feedback!
diff --git a/xrandr.sh b/xrandr.sh
@@ -0,0 +1,40 @@
+#!/bin/bash
+
+# First we need to get the modeline string for xrandr
+# Luckily, the tool `gtf` will help you calculate it.
+# All you have to do is to pass the resolution & the-
+# refresh-rate as the command parameters:
+gtf 1920 1080 60
+
+# In this case, the horizontal resolution is 1920px the
+# vertical resolution is 1080px & refresh-rate is 60Hz.
+# IMPORTANT: BE SURE THE MONITOR SUPPORTS THE RESOLUTION
+
+# Typically, it outputs a line starting with "Modeline"
+# e.g. "1920x1080_60.00"  172.80  1920 2040 2248 2576  1080 1081 1084 1118  -HSync +Vsync
+# Copy this entire string (except for the starting "Modeline")
+
+# Now, use `xrandr` to make the system recognize a new
+# display mode. Pass the copied string as the parameter
+# to the --newmode option:
+xrandr --newmode "1920x1080_60.00"  172.80  1920 2040 2248 2576  1080 1081 1084 1118  -HSync +Vsync
+
+# Well, the string within the quotes is the nick/alias
+# of the display mode - you can as well pass something
+# as "MyAwesomeHDResolution". But, careful! :-|
+
+# Then all you have to do is to add the new mode to the
+# display you want to apply, like this:
+xrandr --addmode VGA1 "1920x1080_60.00"
+
+# VGA1 is the display name, it might differ for you.
+# Run `xrandr` without any parameters to be sure.
+# The last parameter is the mode-alias/name which
+# you've set in the previous command (--newmode)
+
+# It should add the new mode to the display & apply it.
+# Usually unlikely, but if it doesn't apply automatically
+# then force it with this command:
+xrandr --output VGA1 --mode "1920x1080_60.00"
+
+# That's it... Enjoy the new awesome high-res display!
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