bump subl version number
add arp-scan to packages

jrnl errors with no backend message without keyrings.alt

I think it needs to be there for the theme to work.

The -H is an option for sudo, not pip

because I just don't use it

yields fewer permission errors

should work better for other installs and updates if we update
Linux packages first

install stable version first, then github version

install latest ruby as global default

they are dependencies for ruby-build-github