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Similar questions have been asked but I can't seem to find a proper answer.

Basically, I am installing several application manually e.g eclipse, android-sdk, android-adt, arduino etc. and have decided that /opt will be a good place to keep them

By default /opt is root:root with 755

I don't want to run my application as root.Currently I have a single user but I would like the installed applications to be accessible to any user (with necessary permissions). Also if there is any installation/write done in the application limited to /opt it should be allowed.

To achieve this I plan to,

  • Add user to group root and make the directory /opt 775 ?

Is it safe to add a user to group root?

What is the option otherwise which will enable users rwx in the directory?

I am open for any other better solution as well.

Suvarna Pattayil
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  • Since the permissions are 755, you don't need to run programs as root, as long as there's no writing done to /opt. If you need to install applications to /opt, you should run the installer as root so that it can write to the directory. – zhongfu Apr 12 '15 at 10:32
  • take a look at this. The main point, as others have pointed out, is that "There is a basic confusion here: the fact that an application is owned by root does not mean that is run as root at all." – tigerjack Apr 12 '15 at 10:48
  • Different directory, same principle. – muru Apr 12 '15 at 10:55

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