Ubuntu 20 04 modifications

Cloud-init

dpkg-reconfigure cloud-init
//disable all but none

apt-get purge cloud-init
rm -rf /etc/cloud/
rm -rf /var/lib/cloud/

Realsense

sudo apt-key adv --keyserver keys.gnupg.net --recv-key C8B3A55A6F3EFCDE || sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-key C8B3A55A6F3EFCDE
sudo add-apt-repository "deb http://realsense-hw-public.s3.amazonaws.com/Debian/apt-repo bionic main" -u

apt install librealsense2==2.34.0-0~realsense0.2251
apt-mark hold librealsense2

optinal

sudo apt-get install librealsense2-dbg