grim@grim-GA-970A-D3:~/Downloads$ sudo -s
[sudo] password for grim: 
root@grim-GA-970A-D3:~/Downloads# ./TeamSpeak3-Client-linux_amd64-3.0.10.run
bash: ./TeamSpeak3-Client-linux_amd64-3.0.10.run: Keine Berechtigung
root@grim-GA-970A-D3:~/Downloads#