I want to allow a particular user to execute a compiled program in my directory. I got his username from cat /etc/passwd. The executable does not write any file but reads a few and gives output on the command line. How can I achieve this?
Answer
If your files are not a secret, you may simply make that folder readable to everyone, or to some group where you will put yourself and the other user.
If you have a scenario with users that should not be allowed access to reading those data, you will have to use a sudo-based strategy, so that the privileged user can run your program by means of for example:
sudo ~user19448/myprogram/runme
First you have to configure your sudo (by means of visudo) with something like:
particular-user ALL=(ALL) NOPASSWD: /home/user19448/myprogram/runme
NOPASSWD avoids you the need to enter your own password, which you probably want.
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