polkit-dumb-agent
                                a polkit agent in 145 lines of code, because polkit is dumb and none of the other agents worked
                            
                        How to download and setup polkit-dumb-agent
Open terminal and run command
                                            git clone https://github.com/sandsmark/polkit-dumb-agent.git
                                        
                                        git clone is used to create a copy or clone of polkit-dumb-agent repositories.
                                        You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with polkit-dumb-agent https://github.com/sandsmark/polkit-dumb-agent/archive/master.zip
Or simply clone polkit-dumb-agent with SSH
                                            [email protected]:sandsmark/polkit-dumb-agent.git                                    
                                    If you have some problems with polkit-dumb-agent
You may open issue on polkit-dumb-agent support forum (system) here: https://github.com/sandsmark/polkit-dumb-agent/issuesSimilar to polkit-dumb-agent repositories
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