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How to Upgrade to Linux Kernel 4.1 RC4 on Ubuntu 15.04 vivid Vervet, ubuntu 14.10 Utopic Unicorn, Ubuntu 14.04 Trusty Tahr (LTS) / Linux Mint 17.1 Rebecca, Linux Mint 17 Qiana


Linux kernel is the essential part of any Linux operating system. It is responsible for resource allocation, low-level hardware interfaces, security, simple communications, basic file system management, and more. Written from scratch by Linus Torvalds (with help from various developers), Linux is a clone of the UNIX operating system. It is geared towards POSIX and Single UNIX Specification compliances.

Includes powerful features
Linux provides users with powerful features, such as true multitasking, multistack networking, shared copy-on-write executables, shared libraries, demand loading, virtual memory, and proper memory management.

Initially designed only for 386/486-based computers, now Linux supports a wide range of architectures, including 64-bit (IA64, AMD64), ARM, ARM64, DEC Alpha, MIPS, SUN Sparc, PowerPC, as well as Amiga and Atari machines.

Read Full Changelog 

What's new in Linux Kernel 4.1 RC4:

• So here it is, last-minute fix and all. The -rc4 patch is a bit bigger than the previous ones, but that seems to be mainly due to normal random timing - just the fluctuation of when submaintainer trees get pushed, and rc4 has fixes from Greg to various driver trees _and_ the networking fixes from Davem, so the slightly larger size isn't indicative of any sudden problems.
• But while drivers and networking dominate the changes, there's a random smattering of other changes. Filesystems (btrfs, nfsd) and architecture updates (mainly arm, arm64 and mips) and some other misc changes.

The source is available now. Binary packages are in the process of being built, and will appear soon at their respective download locations.

How to Upgrade to Linux Kernel 4.1 RC4 on Ubuntu / Linux Mint

to install  & upgrade to Linux Kernel 4.1 RC4 on Ubuntu 15.04 vivid Vervet, ubuntu 14.10 Utopic Unicorn, Ubuntu 14.04 Trusty Tahr (LTS) and Linux Mint 17.1 Rebecca, Linux Mint 17 Qiana and other Ubuntu derivative systems, open a new Terminal window and bash (get it?) in the following commands:

For Ubuntu 32 bit :

$ wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.1-rc4-unstable/linux-headers-4.1.0-040100rc4_4.1.0-040100rc4.201505181436_all.deb \http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.1-rc4-unstable/linux-headers-4.1.0-040100rc4-generic_4.1.0-040100rc4.201505181436_i386.deb \ http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.1-rc4-unstable/linux-image-4.1.0-040100rc4-generic_4.1.0-040100rc4.201505181436_i386.deb

For Ubuntu 64 bit :

$ wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.1-rc4-unstable/linux-headers-4.1.0-040100rc4_4.1.0-040100rc4.201505181436_all.deb \ http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.1-rc4-unstable/linux-headers-4.1.0-040100rc4-generic_4.1.0-040100rc4.201505181436_amd64.deb \ http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.1-rc4-unstable/linux-image-4.1.0-040100rc4-generic_4.1.0-040100rc4.201505181436_amd64.deb

For LowLatency Kernel and ARM you can download full in here.

Install, update or Upgrade Linux Kernel 4.1 RC4 :

$ sudo dpkg -i *.deb

Atfer install complete, update grub and reboot your computer and choose new kernel in grub :

$ sudo update-grub
$ sudo reboot

WARNING: Installing a new kernel may render your system unusable or unstable. If you proceed with the installation using the instructions below, make sure you back up any important data you have to an external hard drive.

Enjoy! I hope this article adding you more clarity.