Hello, Remco van 't Veer writes: > After upgrading from emacs-27.2 to emacs-28.1 on a Guix system, opening > files/directories via sudo using tramp no longer works. > > Here's what's in the *Messages* buffer: > >> Tramp: Opening connection nil for root@remq240 using sudo...done >> File error: Couldn't find a proper `ls' command [6 times] >> tramp-error: Couldn't find a proper `ls' command What I personally use is described at [1], and fixed this issue I had when I switched to emacs-next. [1] https://yhetil.org/guix/87czjsmif0.fsf@jpoiret.xyz/ -- Josselin Poiret