One of the recurring questions at conferences was whether there is a way to check cached sudo credentials without updating them. Version 1.9.12 of sudo introduces the -N option which makes this possible, and also allows running any commands without updating the cached credentials. Before you begin The -N option was introduced in sudo version 1.9.12. There is a good chance that your choice of operating system still has an older version of sudo. You can easily compile sudo from source, however,...
