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05-27 06:17

Permission denied for all sudo comands

2018. 10. 1. 18:59 | Posted by bjcomm

1. Mount your Ubuntu installation by clicking on the device's icon in the file manager.

2. Open a terminal and cd into the /usr/bin folder of that installation you mounted from above.

3. Run this command to give all users execute permissions

sudo chmod -R a+x .
4. Run this command to give all users read permissions
sudo chmod -R a+r .
5. Run this command to remove all users (except root's) write permissions
sudo chmod -R o-w .

6. Reboot and see if it works.

 

 

 

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