Is it possible to find times of past user sessions?

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You can use the last command for this. It will tell you who logged in, what port/tty, date, time and duration of the session.

Here is the man page

FWIW, every installation of Ubuntu I've had, had this command available.

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Eric Wilson
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Eric Wilson

Updated on September 18, 2022

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  • Eric Wilson
    Eric Wilson over 1 year

    Using the who command, I can find which users are currently logged into a machine.

    I would like to determine which users have logged into my machine in the past, and the length of those sessions. Is this information retained, and can I access it?

    The particular machine I'm thinking of is running Ubuntu 10.10.