Update Ubuntu 22.04 LTS to 24.04 LTS

 sudo apt update;sudo apt-get update;sudo apt upgrade;

sudo reboot;

sudo apt install ubuntu-release-upgrader-core

Temporarily Open port 1022 for tcp //check respective firewall settings based on ur Ubuntu image/PC

sudo do-release-upgrade -d

If error is coming do below

sudo nano /etc/update-manager/release-upgrades

Set prompt=normal

sudo do-release-upgrade

Then reply as per prompts & then sudo reboot;