Fügen Sie den Benutzer zu Gruppen Linux hinzu
sudo usermod -aG <groups> <username>
Clever Capybara
sudo usermod -aG <groups> <username>User: the owner of the file (person who created the file).
Group:the group can contain multiple users. Therefore, all users in that group will have the same permissions. It makes things easier than assign permission for every user you want. groups $username