Ubuntu 20.04 LTS - Focal Fossa

sudo apt-get install --install-recommends linux-generic-hwe-20.04

Ubuntu 18.04 LTS - Bionic Beaver

# DESKTOP
sudo apt-get install --install-recommends linux-generic-hwe-18.04 xserver-xorg-hwe-18.04 
# SERVER
sudo apt-get install --install-recommends linux-generic-hwe-18.04

Ubuntu 16.04 LTS - Xenial Xerus

# DESKTOP
sudo apt-get install --install-recommends linux-generic-hwe-16.04 xserver-xorg-hwe-16.04
# SERVER
sudo apt-get install --install-recommends linux-generic-hwe-16.04

Ubuntu 14.04 LTS - Trusty Tahr

# DESKTOP
sudo apt-get install --install-recommends linux-generic-lts-xenial xserver-xorg-core-lts-xenial xserver-xorg-lts-xenial xserver-xorg-video-all-lts-xenial xserver-xorg-input-all-lts-xenial libwayland-egl1-mesa-lts-xenial
# MULTIARCH DESKTOP
sudo apt-get install --install-recommends linux-generic-lts-xenial xserver-xorg-core-lts-xenial xserver-xorg-lts-xenial xserver-xorg-video-all-lts-xenial xserver-xorg-input-all-lts-xenial libwayland-egl1-mesa-lts-xenial libgl1-mesa-glx-lts-xenial libgl1-mesa-glx-lts-xenial:i386 libglapi-mesa-lts-xenial:i386 
# SERVER
sudo apt-get install --install-recommends linux-generic-lts-xenial

Ubuntu 12.04 LTS - Precise Pangolin

# DESKTOP
sudo apt-get install --install-recommends linux-generic-lts-trusty xserver-xorg-lts-trusty libgl1-mesa-glx-lts-trusty
# SERVER
sudo apt-get install --install-recommends linux-generic-lts-trusty