Upgrade Guide for Ubuntu 20 to Ubuntu 24

Prerequisites

• As part of the upgrade process, ensure that the libpcap0.8-dev package is installed to avoid any issues in Ubuntu 24.04. Run the following command to install the package:

sudo apt install libpcap0.8-dev

• Ensure you have a internet connection.

Next, Follow these steps to upgrade your system from Ubuntu 20 to Ubuntu 24.

Step 1: Update System and Prepare for Upgrade

Run the following commands:

sudo apt-get update ; apt-get -f install -y ; apt-get upgrade -y ; apt-get dist-upgrade -y ;

This will ensure your system is up-to-date and ready for the next steps.

Step 2: Reboot the System

After the updates are complete, reboot your system to apply the changes.

sudo reboot

Step 3: Upgrade from Ubuntu 20 to Ubuntu 22

Run the following command:

if [[ $(lsb_release -rs) == 20.04 ]]; then do-release-upgrade; else echo -e "\n*******\nYour current version is not Ubuntu 20.04. Please run this command only in Ubuntu 20.04\n*******\n"; fi

After the upgrade process completes, the system will prompt you to reboot. Make sure to reboot as instructed.

Step 4: Upgrade from Ubuntu 22 to Ubuntu 24

Once your system is running Ubuntu 22, you can now upgrade to Ubuntu 24. Check your version and proceed with the upgrade using the following command:

if [[ $(lsb_release -rs) == 22.04 ]]; then do-release-upgrade; else echo -e "\n*******\nYour current version is not Ubuntu 22.04. Please run this command only in Ubuntu 22.04\n*******\n"; fi

After the upgrade to Ubuntu 24 is complete, reboot the system as prompted.

Your system is now successfully upgraded to Ubuntu 24.