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Want to create users and set least privilege needed for all users. How can I set permissions and make sure users can only access their own files and also create an admin that can access all? Is admin the same as root?

Steve
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  • Um, how to do that in SSH ? same as any other way on linux, you create it and then shove into appropriate group. For regular user, no other group is necessary. Admin is nothing more than user with sudo access (sudo group), which effectively lets you do root tasks with your own account and password. – Sergiy Kolodyazhnyy Feb 16 '16 at 21:25

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The root is admin If you are talking about Ubuntu , then you need not to worry , the files in your home folder cannot be accessed by anyone else . You can create a new user by the command

useradd <username>

You can set password for the user using the command 

Passwd <username>

Then enter the password.

By default, users have minimum permission, and can access nothing but their own files , unless given root priviledge.
Hope this helps

xeon
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