I have a file on my Debian Stretch server that has the following security attribute: -rw-r--r--, owned by root.
If I login as root directly (su -), I can edit and save it. But if I try to do sudo nano filename to open it with my admin user login, when I try to save it it gives me a permission denied error (and wants me to save it as a new file, instead of overwriting the current one).
Why would this be?
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