Upgrading from ubuntu 22.04 to 24.04

Before upgrade

• Backup your data.
• Use ppa-purge to remove currently activated PPAs. The unremovable git-lfs gave me headache for several hours.

Upgrade command

sudo do-release-upgrade

DNS resolve error

systemd-resolved might not be installed after upgrade, to solve the issue:

sudo apt install systemd-resolved

You might need to add an DNS server temporarily to have internet access

"nameserver 1.1.1.1" >> /etc/resolv.conf

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