After two months of development, Linus Torvalds has released the Linux kernel 4.2. Among the most notable improvements: integration AMDGPU driver, support stack connection LSM modules, a new method of formation entropy for a random number generator, a new packet classifier Flower, optimization of Assembly code for the x86 architecture, support for GENEVE tunnels, encryption in F2FS, driver virtio-gpu implementation of a virtual GPU, the new subsystem libnvdimm.
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Warning. The Linux kernel is a critical element of the system. To do the upgrade costs when one of your hardware devices is not working properly, and the new kernel may fix this problem. But at the same time installing a new kernel unnecessarily can lead to undesirable regressions, such as: no network connection, no sound or even the inability to boot the system, so install a new kernel on your own risk.
1. The easiest way to use the utility KernelUpdate.
2. Open a terminal, copy and run one of the commands according to the architecture of your system/computer, at your own risk:
For 32-bit (single command):
cd /tmp; wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.2-unstable/linux-headers-4.2.0-040200-generic_4.2.0-040200.201508301530_i386.deb http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.2-unstable/linux-headers-4.2.0-040200_4.2.0-040200.201508301530_all.deb http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.2-unstable/linux-image-4.2.0-040200-generic_4.2.0-040200.201508301530_i386.deb; sudo dpkg -i *.deb
cd /tmp; wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.2-unstable/linux-headers-4.2.0-040200-generic_4.2.0-040200.201508301530_amd64.deb http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.2-unstable/linux-headers-4.2.0-040200_4.2.0-040200.201508301530_all.deb http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.2-unstable/linux-image-4.2.0-040200-generic_4.2.0-040200.201508301530_amd64.deb; sudo dpkg -i *.deb
Note If you have a boot loader installed BURG, and it should be updated:
sudo apt-get purge linux-image-4.2-*