https://www.cnblogs.com/jessica-jie/p/8622449.html
orbslam3 runs compilation plus evaluation
evo evaluation
Graphics card driver installation: https://www.myfreax.com/how-to-nvidia-drivers-on-ubuntu-20-04/
swap expansion
dd if=/dev/zero of=/mnt/swap bs=1G count=6
mkswap /mnt/swap
chmod 0600 /mnt/swap
swapon /mnt/swap
vim /etc/fstab
# Add the following line
/mnt/swap none swap sw 0 0
change xubuntu to ubuntu