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I accidentally downloaded updates (I was typing when the pop-up that new updates are available was displayed and apparently put in focus).
I did not manage to cancel the Software Updater, it is now grayed out and displaying "Please restart the computer to begin using your updated software".

Is there a way to reverse the update?
Can I have it not come in effect until a date I specify?
Can I just not restart my computer? (or will ubuntu do that anyways after some time?)

Anushka--x
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  • Why have you used the 17.10 tag? Is that the version of your system? – DK Bose Sep 10 '18 at 11:37
  • 17.10 has gone end of life so we do not support it anymore Please plan a reinstall to install 18.04 And why not just reboot? – Rinzwind Sep 10 '18 at 11:37
  • @DKBose Yes, it is. Should I include it int he text of the post? – Anushka--x Sep 10 '18 at 11:48
  • @Rinzwind I am worried that if something goes wrong I lose some important work; i dont want to lose time getting the backup. I plan to update to 19.04 as soon as i hand in my work. – Anushka--x Sep 10 '18 at 11:51
  • How to do so: https://askubuntu.com/questions/138284/how-to-downgrade-a-package-via-apt-get. Downgrading is possible but unsupported, so yes you should be worried about data loss and other unexpected consequences. – user535733 Sep 10 '18 at 11:52
  • If the work is important, immediately make a backup, then apply the update. The chance that the update breaks your system is extremely slim (not so for Arch users ;) ) – vanadium Sep 10 '18 at 11:54
  • @Anushka--x so you make a backup. – Rinzwind Sep 10 '18 at 12:14

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Reversing an update in Ubuntu may or may not be a trivial task. The update is now installed, and still needs some configuration on a next reboot. I recommend to reboot the computer and have the update installed. Updates that come through the software center are quite reliable and tested, and may bring significant security improvements. They will, by design of the Ubuntu release schedule, never cause your system to function differently.

vanadium
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