Ready to be published? LXer is read by around 350,000 individuals each month, and is an excellent place for you to publish your ideas, thoughts, reviews, complaints, etc. Do you have something to say to the Linux community?
The gksu package, which provides GTK+ front-ends for su (gksu) and sudo (gksudo), was removed from the Ubuntu 18.04 repositories, so it won't be available starting with this Ubuntu release.
But how can you edit system files using a GUI without gksu?