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I often find myself chown-ing files as I created them through SSH and they are owned by jm:jm for example.

Then to allow Apache to access it, I need to for example do chown jm:www-data.

I am sure I can specify that when I create files, instead of using the group under my name, specify another?

Or is there a better way of managing users/groups?

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1 Answer 1

up vote 10 down vote accepted

If you want all new files in a particular directory to be owned by a particular group, just apply the setgid bit on it:

chgrp www-data /some/dir
chmod g+s /some/dir

If you have an existing tree of directories that you want to apply this behaviour to, you can do so with find:

find /some/dir -type d -exec chgrp www-data {} +
find /some/dir -type d -exec chmod g+s {} +

(if the directories are already owned by the relevant group, then you can omit the first command in both of these examples).

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