Sunday, 15 June 2014

How to Install / Upgrade to Linux Kernel 3.15

Linux Kernel 3.15 has finally been announced by Linus Torvalds and there's much more to offer from Linux. 

How to Install / Upgrade to Linux Kernel 3.15

What's new in Linux Kernel 3.15
  • USB: Avoid runtime suspend loops for HCDs that can't handle suspend/resume
  • drm/radeon/dpm: resume fixes for some systems
  • USB: serial: option: add support for Novatel E371 PCIe card
  • x86, vdso: Fix an OOPS accessing the HPET mapping w/o an HPET
  • usb: cdc-wdm: export cdc-wdm uapi header
  • Btrfs: send, fix corrupted path strings for long paths 
You can read what Linus Torvalds has to say and all the things Linux Kernel 3.15 has to offer at https://lkml.org/lkml/2014/6/8/70

Install / Upgrade to Linux Kernel 3.15 

Run these commands in a terminal one-by-one to install / upgrade to Linux kernel 3.15.

For 32-bit system

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.15-utopic/linux-headers-3.15.0-031500-generic_3.15.0-031500.201406081435_i386.deb 

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.15-utopic/linux-headers-3.15.0-031500_3.15.0-031500.201406081435_all.deb 

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.15-utopic/linux-image-3.15.0-031500-generic_3.15.0-031500.201406081435_i386.deb 

sudo dpkg -i linux-headers-3.15.0-*.deb linux-image-3.15.0-*.deb

For 64-bit system

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.15-utopic/linux-headers-3.15.0-031500-generic_3.15.0-031500.201406081435_amd64.deb

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.15-utopic/linux-headers-3.15.0-031500_3.15.0-031500.201406081435_all.deb

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.15-utopic/linux-image-3.15.0-031500-generic_3.15.0-031500.201406081435_amd64.deb

sudo dpkg -i linux-headers-3.15.0-*.deb linux-image-3.15.0-*.deb

Once done, restart your computer to see the changes. 

If for some reason, the Linux Kernel 3.15 install / upgrade do not works properly, you can roll back to previous stable kernel by Navigating to Grub > Advanced > Select previous kernel and running this command to uninstall it

sudo apt-get remove linux-headers-3.15.0-* linux-image-3.15.0-*

and updating the grub menu

sudo update-grub

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