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Old 09-28-2010, 07:57 AM   #1
10110111
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apt-get upgrade keeps some packages back


When i do apt-get upgrade, i sometimes get this message:
Code:
The following packages have been kept back:
  linux-generic linux-headers-generic linux-image-generic
0 upgraded, 0 newly installed, 0 to remove and 3 not upgraded.
Why are they kept back? How can i 'unkeep' them for all successive upgrades? I always have to specially say apt-get install to upgrade them.
 
Old 09-28-2010, 08:12 AM   #2
healyma
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As far as I can tell, it's a kernel upgrade. If so, it's probably best to upgrade manually in case you have any third party kernel modules installed etc.
 
Old 09-28-2010, 08:29 AM   #3
10110111
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So, that's the only reason? I'm wondering because update-manager automatically upgrades every package it finds while apt-get keeps some back. And not only kernel updates, but also sometimes chromium-browser etc..
 
Old 09-28-2010, 08:37 AM   #4
healyma
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I've had similar experiences with the update-manager where it would upgrade the kernel and then some hardware wouldn't work correctly (e.g DVB-S2 cards using 3rd party modules such as s2-lilianin). Not sure why it would hold back the likes of chromium - maybe it had some unmet dependency which conflicted with something installed.
 
Old 09-29-2010, 01:56 AM   #5
tommcd
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Quote:
Originally Posted by 10110111 View Post
When i do apt-get upgrade, i sometimes get this message ...
Why are they kept back? How can i 'unkeep' them for all successive upgrades?
Instead of running: sudo apt-get upgrade you should run: sudo apt-get dist-upgrade. This will install any new packages that are in the updates.
From a lot of testing that I have done, using the GUI update-manager in Ubuntu is the same as doing:
Code:
sudo apt-get update
sudo apt-get dist-upgrade
Both update-manager and dist-upgrade will remove old packages and install new ones that are in the updates. Just running sudo apt-get upgrade will only install new versions of packages that you already have on your system.
Write back if you need more help.

Last edited by tommcd; 10-01-2010 at 01:28 AM. Reason: corrected careless typo!
 
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Old 09-30-2010, 05:50 AM   #6
10110111
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tommcd thanks, i'll try this on the next upgrade.
 
  


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