I use Blender on Ubuntu, and need to free a shortcut. The key combination is Ctrl+Alt+Numpad0. In CCSM this shortcut is listed under general settings > Keybindings. But when i edit this setting, nothing changes. And when i restart CCSM they old key combination is back. Any ideas how to fix this?
CCSM forces certain shortcuts after reboot.
If you uninstall CCSM you can permanently set shortcuts with System settings > Keyboard > Shortcuts.