Remove a users right to use sudo
44231
Remove sudo privileges from a user (without deleting the user)
10422
How do I use sudo to redirect output to a location I don't have permission to write to?
12348
How Do I Opt Out of Privileges?
157360
Is there ever a good reason to run sudo su?
130030
Run a specific sudo command without a password in Ubuntu 13.10
138013
How do the internals of sudo work?
69
Aliases not available when using sudo
153564
How can I change a set of files Permsissions from Root to user
36582
How to run an application using sudo without a password?
150893
Getting warning file permission with root user
116001
Why does the root user need sudo permission?
66222
'sudo' not working after changing the permissions of '/usr' directory
97145
Disable user shell for security reasons
111138
Sudo command no longer functions properly
75022
Delete a user and all files owned by this user
87020
Disable root account in Ubuntu?
55028
Permissions of /Users keep changing back to drwxrwxrwx