Linux sets the timeout period of sudo

0x0021h
Jan 22, 2022

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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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