I've used keynav successfully on Linux to emulate a mouse via my keyboard when my mouse broke. Quite nice, especially with the right configuration (the default

I've used keynav successfully on Linux to emulate a mouse via my keyboard when my mouse broke. Quite nice, especially with the right configuration (the default is a bit lacking for my taste). However, I wouldn't want to eliminate the mouse completely, even though I do much of my work in a terminal like in the article.