Hi. On Thu, Feb 21, 2019 at 09:07:09AM +0100, Pierre Couderc wrote: > Hi > > Why /usr/sbin is not in my root $PATH ? > > > xxx@server:~$ su root
Because you did exactly this. su(1) says: The optional argument - may be used to provide an environment similar to what the user would expect had the user logged in directly. Make a habit of using 'su -', as this behaviour is here to stay. > Is it a bug somewhere in debian ? Installing snap ? It's a change in Debian, see #833256. There are two su utilities, from 'shadow' and from 'util-linux'. Preserving user's environment unless '-' is specified is a feature of util-linux's su. Reco