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csullivan / CMake_3_20_Ubuntu_18_04.md
Last active March 30, 2023 05:39 — forked from bmegli/CMake_3_20_Ubuntu_18_04.md
apt reversible source builds with checkinstall-- Example: CMake 3.20 in Ubuntu 18.04 (reversible way)

Motivatation

  • modern CMake is required for building a lot of new software
  • CMake is dependency for many packages (e.g. ROS related)
  • we don't want to remove CMake (which would remove packages that depend on it)
  • we want safe procedure to update CMake that can be reversed easily

Current version in OS

Check current version

Ubuntu 18.04 VFIO GPU passthrough with a single GPU (onboard automatically disables itself)

On an Ubuntu 18.04 system with two NVIDIA GPUs only the change to Grub below was necessary, I did not need to mess with modprobe or initramfs. In addition, I needed to set the PCI bus for the correct nvidia xconfig to the non-blacklisted GPU following these steps

sudo nvidia-xconfig

This will create a new xorg config at /etc/X11/xorg.conf.

Then add the BusID line in the following part of the file /etc/X11/xorg.conf: