linux: signal redirector to restart on pkg install (#14652)
linux: signal redirector to restart on pkg install (#14652)

Issue: KBFS-3553
keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client