You don't need to install all of the updates from the -proposed repository, only the kernel. When you check the proposed box in the software updater, you are effectively adding the following line to /etc/apt/sources.list (mirror is whatever mirror you have chosen):
You don't need to install all of the updates from the -proposed repository, only the kernel. When you check the proposed box in the software updater, you are effectively adding the following line to /etc/apt/ sources. list (mirror is whatever mirror you have chosen):
deb http:// mirrors. namecheap. com/ubuntu/ bionic-proposed universe restricted multiverse main
You can then either use the software updater or apt to install the kernel. I used the following apt command on the command line:
apt-get install linux-generic
This command automatically pulled in the other dependencies such as the kernel headers and modules from the -proposed repository.