sudo apt update
sudo apt upgrade
sudo apt dist-upgrade
sudo apt autoremove

sudo sed -i 's/ulyana/ulyssa/g' /etc/apt/sources.list.d/official-package-repositories.list 

sudo apt update
sudo apt upgrade
sudo apt dist-upgrade
sudo apt autoremove

sudo /usr/share/ubuntu-system-adjustments/systemd/adjust-grub-title
sudo /usr/lib/linuxmint/mintsystem/mint-adjust.py

#update version number in grub menu
sudo update-grub

#usr merge
sudo apt install usrmerge
sudo apt purge usrmerge

#Possibly required (error when setting display settings)
rm ~/.config/monitors.xml
rm ~/.config/autostart/cinnamon-settings-daemon-xrandr.desktop

reboot

sudo apt update
sudo apt upgrade
sudo apt dist-upgrade
sudo apt autoremove

sudo sed -i 's/ulyssa/uma/g' /etc/apt/sources.list.d/official-package-repositories.list 

sudo apt update
sudo apt upgrade
sudo apt dist-upgrade
sudo apt autoremove

sudo /usr/share/ubuntu-system-adjustments/systemd/adjust-grub-title
sudo /usr/lib/linuxmint/mintsystem/mint-adjust.py

#update version number in grub menu
sudo update-grub

reboot

sudo apt update
sudo apt upgrade
sudo apt dist-upgrade
sudo apt autoremove

sudo sed -i 's/uma/una/g' /etc/apt/sources.list.d/official-package-repositories.list 

sudo apt update
sudo apt upgrade
sudo apt dist-upgrade
sudo apt autoremove

sudo /usr/share/ubuntu-system-adjustments/systemd/adjust-grub-title
sudo /usr/lib/linuxmint/mintsystem/mint-adjust.py

#update version number in grub menu
sudo update-grub

reboot