How to Upgrade from Ubuntu 20 04 LTS to Ubuntu 22 04 LTS

How to Upgrade from Ubuntu 20.04 LTS to Ubuntu 22.04 LTS

- cat /etc/os-release
- sudo apt list –upgradable
- sudo apt update && sudo apt upgrade -y
- sudo reboot
- cat /etc/os-release (Check the installed release)

- sudo ufw allow 1022/tcp
- sudo ufw reload
- sudo ufw status

- sudo apt install update-manager-core
- sudo do-release-upgrade -d
type Y and press ENTER
press ENTER
press Y and press ENTER
select Yes
select keep the local version currently installed.
press Y and press ENTER
press Y and press ENTER

- cat /etc/os-release (Check the OS information after rebooting)

or

How to Upgrade from Ubuntu 20.04 LTS to Ubuntu 22.04 LTS
- cat /etc/os-release
- sudo apt list –upgradable
- sudo apt update && sudo apt upgrade -y
- sudo reboot
- cat /etc/os-release (Check the installed release)

- sudo ufw allow 1022/tcp
- sudo ufw reload
- sudo ufw status

- sudo apt install update-manager-core
- sudo do-release-upgrade -d
type Y and press ENTER
press ENTER
press Y and press ENTER
select Yes
select keep the local version currently installed.
press Y and press ENTER
press Y and press ENTER

- cat /etc/os-release (Check the OS information after rebooting)

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