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I'm using elementary Freya.

Is there any way to upgrade the Linux kernel to 4.0?

And by upgrading kernel can we download and install packages from elementary ppa ?

  • In your last sentence, do you mean “can we upgrade the kernel by installing a PPA?”, or “if I upgrade the kernel, will that let me use PPAs”, or something else? – Gilles Jul 1 '15 at 18:19
  • Out of curiosity, what are the advantages of using the 4.0 kernel? – waldyrious Jul 1 '15 at 18:26
  • @waldyrious power Improvements, hardware improvements, new drivers and performance tweaks and so on. – Saeed Masoumi Jul 1 '15 at 19:02
  • @Gilles i mean “if I upgrade the kernel, will that let me use PPAs” – Saeed Masoumi Jul 1 '15 at 19:04
  • @Saeed Ok, then to answer that: no, upgrading the kernel will not have any impact on your ability to use PPAs. – Gilles Jul 1 '15 at 19:06
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  1. Access the Ubuntu kernel PPA mainline repository here.
  2. Download the following:

    linux-headers-4.1.0-040100-generic_4.1.0-040100.201506220235_<infrastructure>.deb
    linux-headers-4.1.0-040100_4.1.0-040100.201506220235_all.deb
    linux-image-4.1.0-040100-generic_4.1.0-040100.201506220235_<infrastructure>.deb
    
  3. cd into the download directory and run

    sudo dpkg -i *.deb
    

On reboot your system should boot the latest kernel. You can test this by running uname -r. Note that this will not automatically update from this point forward (in particular, you won't get any security fixes), and that this is not supported by elementary.

As for your question about PPAs: installing a newer kernel will not change anything about your ability to use PPAs.

  • He asked for 4.0. I wouldn't try on 4.1 just yet. Other than that, yes try the above instructions. – user173 Jul 1 '15 at 11:01

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