Linux sets the timeout period of sudo

0x0021h
Jan 22, 2022

By default, the timeout period of sudo is 15 minutes, that is to say, within 15 minutes after the last sudo command, you do not need to re-enter the password, and after 15 minutes, you need to re-enter the password.

Set sudo timeout

To set the sudo timeout, just specify timestamp_timeout=N in the Defaults specification in /etc/sudoers

Here N is in minutes, for example, the following configuration sets the timeout to 10 minutes

Defaults timestamp_timeout=10

If N is set to 0, it means that you must enter the password every time you sudo
If N is set to less than 0, the sudo command will fail to execute

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0x0021h

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