How to download and install Kernel 3.18.8 on Ubuntu Systems. Install/Upgrade to Kernel 3.18.8 on Ubuntu 14.04/14.10, Linux Mint, Elementary OS, Linux Deepin and other Ubuntu Derivatives.
Please note that currently the Kernel 3.18.8 is not available via PPA. In order to download and install the latest version of Kernel, download the deb packages (Kernel 3.18.8) via kernel.ubuntu.com and then install it on the system.
Install Kernel 3.18.8 on 32 Bit Ubuntu Systems
Open Terminal and run the following command to download and install Kernel 3.18.8 on 32 Bit Ubuntu Systems:
cd /tmp
wget \
kernel.ubuntu.com/~kernel-ppa/mainline/v3.18.8-vivid/linux-headers-3.18.8-031808_3.18.8-031808.201502271935_all.deb \
kernel.ubuntu.com/~kernel-ppa/mainline/v3.18.8-vivid/linux-headers-3.18.8-031808-generic_3.18.8-031808.201502271935_i386.deb \
kernel.ubuntu.com/~kernel-ppa/mainline/v3.18.8-vivid/linux-image-3.18.8-031808-generic_3.18.8-031808.201502271935_i386.deb
sudo dpkg -i linux-headers-3.18*.deb linux-image-3.18*.deb
Install Kernel 3.18.8 on 64 Bit Ubuntu Systems
Open Terminal and run the following command to download and install Kernel 3.18.8 on 64 Bit Ubuntu Systems:
cd /tmp
wget \
kernel.ubuntu.com/~kernel-ppa/mainline/v3.18.8-vivid/linux-headers-3.18.8-031808_3.18.8-031808.201502271935_all.deb \
kernel.ubuntu.com/~kernel-ppa/mainline/v3.18.8-vivid/linux-headers-3.18.8-031808-generic_3.18.8-031808.201502271935_amd64.deb \
kernel.ubuntu.com/~kernel-ppa/mainline/v3.18.7-vivid/linux-image-3.18.7-031807-generic_3.18.7-031807.201502110759_amd64.deb
sudo dpkg -i linux-headers-3.18*.deb linux-image-3.18*.deb
Once the Kernel 3.18.8 is successfully installed, reboot/restart the system manually or run the following command:
sudo reboot
Uninstall and Remove Kernel
If you want to uninstall and remove the Linux Kernel 3.18.8 from the Ubuntu systems, run the following command:
sudo apt-get remove linux-header-3.18* linux-image-3.18*