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kernel removal


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#1 JohnC_21

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Posted 27 July 2015 - 04:08 PM

I removed about 27 previous kernels in Ubuntu using Synaptics which cleared about 2.5GB. I was wondering why Ubuntu does not automatically remove all but the previous 2 or is that not even possible.

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#2 mremski

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Posted 29 July 2015 - 06:19 AM

I'm assuming this is from automatic upgrades?  One may think that kernels are just like other programs, but they are not.  What if the last 2 or 5 kernels downloaded were bad?  MFGs do the best they can, but since they can't guarantee the hardware the kernel runs on is consistent (from user to user), it's safer to not automatically delete older kernels.  Especially since the user can do that easily enough;  you just need to remember to look for it.

 

Also in grand scheme of TB consumer drives, 2.5G isn't terribly alot.  If it's in a 3G partition, it's important :)


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#3 JohnC_21

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Posted 29 July 2015 - 09:02 AM

Thanks for the reply. They were from auto updates. I cleaned all but the last three. You are right, 2.5GB is not that much in the scheme of things.



#4 DeimosChaos

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Posted 29 July 2015 - 09:10 AM

Here is a good document from Ubuntu on removal of kernels. It also has a section on how to do an automatic removal of older kernels. Use caution when using the automatic removal method.


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