Anyone wishing to opt into the hardware enablement stack for Precise may do so by installing the linux-generic-lts-<release> and xserver-xorg-lts-<release> packages. For example to install the Quantal hardware enablement packages in Precise, please run the following command: sudo apt-get install --install-recommends linux-generic-lts-quantal xserver-xorg-lts-quantal libgl1-mesa-glx-lts-quantal Doing this is safe or not?