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I am making a script that will update my system (and do some other things, but that doesn't matter). I want the script to run sudo apt-get update and sudo apt-get dist-upgrade --yes automatically. I use --yes so I won't have to choose yes when it runs; it upgrades all packages automatically without me having to do anything. That said, I want to put my password in the script somehow so I won't have to type in my password when I run it either, probably with an argument or something. You know, something I can put at the end like sudo apt-get update --passwd MYPASSWORDHERE. I have tried that and it doesn't work, but that's an example of what I want. What argument (--passwd or --password or something) do I put at the end to do this?

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  • possible duplicate of How do I enable automatic updates?
    – Panther
    Jul 10, 2014 at 21:19
  • See also askubuntu.com/questions/307067/…
    – Panther
    Jul 10, 2014 at 21:19
  • This is a duplicate and there are several options open to you.
    – Panther
    Jul 10, 2014 at 21:20
  • This has nothing to do with updating my system; I just want to know how to have the password put in automatically when using sudo in a script.
    – John Scott
    Jul 10, 2014 at 21:20
  • I meant about you saying it was a duplicate in your first comment; not your second comment. :P
    – John Scott
    Jul 11, 2014 at 0:34

2 Answers 2

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If your script runs as "yourUser", you could create a simple file:

  sudo visudo -f /etc/sudoers.d/myOverrides 

with this directive:

  yourUser ALL = NOPASSWD:/usr/bin/apt-get

You can find an useful explanation here.

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Sudo doesn't behave that way, for security reasons. You can echo the password to sudo using the -s option, but I don't suggest it. Even if you protect your script from other users, they can still see your parameters using e.g. ps -ef.

I think your problem is better solved by installing the unattended-upgrades package.

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