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I'd like to have Ubuntu not check for updates as often. How do I accomplish this?

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up vote 19 down vote accepted

For 10.10 and earlier versions (and 11.04, in an Ubuntu Classic session)

Open Update Manager (System > Administration > Update Manager).

On the Updates tab, there's a drop down box for "Check for updates:", with options for Daily, every two days, weekly or every two weeks.

Or you can turn it off and just check manually whenever you want.

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I think you meant "Software Sources", not "Update Manager" – Michael Terry Jul 28 '10 at 19:41
up vote 26 down vote

For 11.04 and higher

  1. Start System settings. Either search for it in dash or click on the gear in the top right corner. enter image description here
  2. click on Software sources enter image description here
  3. Choose updates enter image description here
  4. now choose how often you want to check for updates. enter image description here

For people in a hurry!

Press Alt+F2 and search as shown and click software-properties-gtk, then jump to step 3.

OR open a terminal Ctrl+Alt+T, and type software-properties-gtk, then jump to step 3.

enter image description here

Via the Ubuntu software center

If you are more comfortable with using the USC then you could open it, and click on edit and then at the bottom software sources. Now just go to step 3.

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oooooooo..... arrows.... – rlemon Feb 14 '12 at 21:16
Hey Alvar not fair. You are using the old "arrow pointing to answer" trick. – Luis Alvarado Feb 15 '12 at 17:10
I find it very confusing that your arrows change color throughout the tutorial. What is the significance of the red over the blue? You should add a disclaimer outlining this information. :P – rlemon Feb 17 '12 at 16:10
@rlemon I actually edited the arrows from the fourth one to the first one and when I got there I realized that a blue arrow on a blue background wouldn't look that great, so I made it red. It's of no significant of any sort. :) – Alvar Feb 17 '12 at 16:20

System -> Administration -> Software Sources -> Updates (tab) -> Check for updates: [Daily | Every two days | Weekly | Every two weeks]

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And if I want to check monthly? Where are stored this settings?

I don't see this on /etc/update-manager

Ok, now I've found this meaning file in Ubuntu 10.10: /etc/apt/apt.conf.d/10periodic

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