New answers tagged privileges
You can't! If you wish to give root access to an user, nothing can stop him from do anything he want with the system. Root privileges means no restrictions. So, better, give to an user only the permissions he needs.
Yes, this is entirely plausible. The simple way to prevent this is to adhere to the principle of least privilege and to only run programs with elevated permissions only when it's required. For example, you would need to do this for managing user and group accounts, but this should never be done for running media apps such as VLC.
Add /sbin to PATH env var: export PATH="$PATH:/sbin"
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