extend sudo password timeout session

Linux

To extend the sudo password timeout session on a Linux system, we need to modify the sudoers file. Example of a sudoers file that we have to modify :

sudoers

    sudo visudo

Find the line that begins with Defaults env_reset and add the timestamp_timeout option :

    Defaults env_reset,timestamp_timeout=60

Here the timeout is set to 60 minutes. If we want a sudo session to never expire (one login per session) :

    Defaults env_reset,timestamp_timeout=-1

We can also specify this setting for a particular user or group. For example, to set a 30-minute timeout for a user named ab:

    Defaults:ab timestamp_timeout=30

After making the changes, save the file and exit the editor. The method for saving and exiting for the editor visudo : press Esc, then type :wq and press Enter.

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