xmodmap remapping keys

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#1

I just switched to opensuse from ubuntu. I used to switch BackSpace and backslash by xmodmap codes on ubuntu:

xmodmap -e "keycode 22 backslash bar"
xmodmap -e "keycode 51 BackSpace"

However, on Opensuse I get the following error:

xmodmap:  commandline:1:  bad keycode command (missing keysym list),
xmodmap:  1 error encountered, aborting.

I am just wondering what is wrong?

Thanks!

Or is there any other convenience way to remap keys? I use two different keyboards, one at home and one at work. I need to remap keys at work and then remap them back to default at home.

#2

All right, changing the code to

xmodmap -e "keycode 22 = backslash bar"
xmodmap -e "keycode 51 = BackSpace"

solves the problem.