Question

102

Permanent xmodmap in Ubuntu 13.04

rated 0 times [ 102] [ 0] / answers: 1 / hits: 77938 / 2 Years ago, mon, july 25, 2022, 9:25:11

I cannot make xmodmap run on login in Ubuntu 13.04. I have searched around, including in askubuntu and all answers I found do not work.

I have a file named .Xmodmap in my home folder which contains the desired mappings. If I run it manually it works fine, so there is no error there. In order to make it run on startup, I have tried:

Using various .xinitrc containing one of the following commands:
- xmodmap .Xmodmap
- xmodmap ~/.Xmodmap
- /usr/bin/xmodmap /home/NAME/.Xmodmap
- if [ -s ~/.Xmodmap ]; then
  
  xmodmap ~/.Xmodmap
  
  fi

Using .Xresources instead of .xinitrc with the same variations.

Setting it as a startup application.

None of the above works in Ubuntu 13.04 (64-bit). I also saw a few ideas about globally changing the keyboard mappings, but most of them were not applicable in Ubuntu 13.04 (i.e. the corresponding files did not exist where specified) and I prefer not to touch the global settings anyway.

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tonhorn

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answered 2 Years ago puccop · Accepted Answer

Ubuntu no longer uses xmodmap, but instead uses xkb (as far as I understand, this facilitates per-window keyboard layouts, among other things).

The system-wide map files are in

/usr/share/X11/xkb/symbols/

The maps appears to be loaded hierarchically, with the pc map as the root, and whatever language (e.g. en) as a child of the root.

In my particular case, I physically swapped Page Up with Home and Page Down with End on my keyboard, so I very crudely made changes to the system-wide pc map, as follows:

 key <HOME> {    [  Prior        ]   };

 key <PGUP> {    [  Home         ]   };

 key  <END> {    [  Next         ]   };

 key <PGDN> {    [  End          ]   };

NOTE: To force Xorg to use your new keyboard map, you may have to remove the existing pre-compiled maps (*.xkm) in

/var/lib/xkb/

and then restart Xorg.

There are various resources on xkb, but this one is related to Ubuntu.