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Tool and Usage

Subuser is a tool that allows commands to be executed with restrictions. It works on Linux and can increase security by lowering access levels.

Why this tool?

A tool like subuser can useful to test software from untrusted sources.

How it works

Subuser works together with Docker. Docker will provide the isolated environment while subuser will give access to the related resources. This way a particular program can only access those resources that it is allowed to access. The result is slightly similar how Android permissions work.

Usage and audience

This tool is categorized as a application privilege restriction tool.

subuser is commonly used for software testing. Target users for this tool are general public.

Tool review

The review and analysis of this project resulted in the following remarks for this security tool:


  • + More than 10 contributors
  • + More than 500 GitHub stars
  • + The source code of this software is available

Author and Maintainers

Subuser is under development by Timothy Hobbs.


Support operating systems

Subuser is known to work on Linux.

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Project details
Latest release0.6.2 [2017-07-27]
Last updatedOct. 25, 2017

Project health

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