Nvidia on Ubuntu/commands

Mode setting

is a description of the display capabilities of your graphics hardware.

DKMS

stands for Dynamic Kernel Module Support

dpkg

for packages (dpkg manual)

CLI commands used while installing / removing the NVIDIA driver version 570 on a Debian-based system. This is not a "script" to be run, it's just a collection of helpful commands as a reference. most commands should be executed as root

# RTFM
less /usr/share/doc/nvidia-driver-570/README.txt.gz

# Is nouveau installed?
apt policy xserver-xorg-video-nouveau

# switch to root user
sudo su -

# echo "Disabling nouveau driver"
bash -c "echo 'blacklist nouveau' >> /etc/modprobe.d/disable-nouveau.conf"
bash -c "echo 'options nouveau modeset=0' >> /etc/modprobe.d/disable-nouveau.conf"
update-initramfs -u -k all


# what is the current kernel version?
uname -r

# is secure boot enabled?
mokutil --sb-state

# what certificates are installed?
mokutil --list-enrolled

# what is configured?
grep mok_signing_key /etc/dkms/framework.conf
# is that one enrolled?
mokutil --test-key /var/lib/shim-signed/mok/MOK.der


# Are there any dynamic kernel module support (dkms) packages installed?
dkms status

# what nvidia hardware do I have?
lspci | grep -i nvidia
# show a tree in both numeric and text format
lspci -nntv

# any nvidia modules loaded?
lsmod | grep -i nvidia
# any nvidia packages installed?
dpkg -l | grep -i nvidia
# Are development headers installed for any/all kernels that DKMS would build for?
dpkg -l |grep headers

# NVIDIA System Management Interface
nvidia-smi

# If you have the cuda compiler (cuda-toolkit) installed, check its version
nvcc -V

# Are there any nvidia services running?
systemctl list-units --type=service --all | grep nvidia 

# What version of xrandr is installed?
# xrandr is a command-line interface to the X11 Resize and Rotate extension (RandR).
# It is used to set the size, orientation and/or reflection of the outputs for a
# screen. It can also set the screen size and provide information about the outputs
# and their capabilities.
xrandr --version
# xrandr program version       1.5.2
# Server reports RandR version 1.6


# remove everything nvidia
# apt-get remove -y --purge '^libnvidia-.*'
# apt-get remove -y --purge '^nvidia-.*'
# apt-get remove -y --purge '*570*'
# apt -y autoremove
apt-get remove -y --purge '^libnvidia-.*' && apt-get remove -y --purge '^nvidia-*' && apt-get remove -y --purge '*570*' && apt -y autoremove

## reboot
# you need to do this a lot
shutdown -r now

# enroll a new MOK
update-secureboot-policy --enroll-key


# change something in grub menu
vim /etc/default/grub
# generate the grub config file /boot/grub/grub.cfg 
update-grub

# Ubuntu's debug tool
ubuntu-drivers debug
# NVIDIA's debug tool
nvidia-bug-report.sh

Machine Owner Key used in the UEFI for SecureBoot