To install xkbset just follow these instructions.
sudo apt-get install xkbset
Which will install xkbset and any other packages on which it depends.
|Maintainer||Debian QA Group <firstname.lastname@example.org>|
|Description||Small utility to change the AccessX settings of XKEYBOARD X Window System designed to make X more accessible to users with disabilities. XKEYBOARD is present in X11R6.1 and later. AccessX features are typically unknown, given that in many implementations no interface is provided to utilize their functionality.|