sudo

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sudo (1980s) is a program for Unix-like computer operating systems that allows users to run programs with the security privileges of another user.

Examples[edit]

Task[edit]

  • Allow user YOUR_USER_NAME to run sudo commands without typing the password:

Include in /etc/sudoers, using the visudo command, the following line at the end of the file:

YOUR_USER_NAME ALL=(ALL) NOPASSWD:ALL[1]

Security vulnerabilities[edit]

Exploitable if the following configuration is present:

username hostname = (ALL, !root) path-to-command

Errors[edit]

sudo: unable to resolve host
See: resolv.conf
[sudo] password for USERNAME:
USERNAME is not in the sudoers file.  This incident will be reported.

Options[edit]

Related terms[edit]

See also[edit]

  • https://askubuntu.com/questions/192050/how-to-run-sudo-command-with-no-password
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