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It seems in Big Sur the file you need to edit is not writable. So you need to make it writable first, edit it, and then change permissions back to read-only.
by philote 6y ago
It seems in Big Sur the file you need to edit is not writable. So you need to make it writable first, edit it, and then change permissions back to read-only.
- angulardragon03 6y agoThis doesn't seem to be strictly true - the two-line solution worked exactly as expected for me on 11.2.1. I used nano instead of vi (personal preference), but it worked nonetheless.
- bitlevel 6y agoMaybe that's the difference. I was using vi, and not nano. Have confirmed that using 'sudo nano /etc/pam.d/sudo' works fine. No need for the verbosity when nano works I guess. :S