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1. Ubuntu version command line how to#
2. Ubuntu version command line update#
3. Ubuntu version command line upgrade#

We also recommend speaking with your networking team beforehand to ensure you are minimizing potential security risks. To simplify things, we recommend that you open port 1022 on your firewall as follows.

Ubuntu version command line upgrade#

If you are connected to your Ubuntu instance via SSH, the upgrade tool will open another SSH port (1022) as a fallback port in case the SSH connection drops on port 22. $ lsb_release -a Step 3: Open TCP port 1022 Then log back into the system and confirm it has been upgraded to the latest release, which, at the time of publishing this guide, is Ubuntu 20.04.4 LTS. Once the upgrade is complete, reboot your system to take advantage of the latest kernel that will come with the upgrade. This might take a while depending on the number of installed packages with pending upgrades. Next, refresh the local package index and upgrade the packages in one single command as follows:

Ubuntu version command line update#

To list upgradable packages, run the command (note: if you haven’t done this in a while, you may want to run the sudo apt update command first to get the most current details possible): This upgrades the entire system to the latest Ubuntu release. Once the backup is in place, log in to your instance and upgrade all the packages to their latest versions. Therefore, if you are running a virtual machine or cloud VPS, ensure you take a complete snapshot so that you can restore your instance in case it breaks. This ensures you will not lose your data in case something goes wrong during the upgrade process.Ĭloud server providers offer snapshot services.

It is prudent to take a backup of all your databases and files before embarking on any major upgrade of an operating system. Ensure your UPS or battery are fully charged and working.Do not cancel the operation once it’s begun. In addition, ensure you have a fast and stable internet connection.

This is the user you will use to perform the upgrade process. Ensure you have a regular user configured with sudo privileges with access to SSH or the terminal app.You can check the available disk space using the df -Th command. Prerequisitesīefore you begin the upgrade, ensure you meet the following requirements:

Ubuntu version command line how to#

In this tutorial, we will walk you through the process of how to upgrade Ubuntu 20.04 to Ubuntu 22.04. Ubuntu 22.04 provides major enhancements, new capabilities, and a number of new software packages such as:įor a comprehensive list of all the new features and software packages, check out the release notes. It is the latest long-term support (LTS) release after its predecessor, Ubuntu 20.04 LTS. Ubuntu 22.04, codenamed Jammy Jellyfish, was released by Canonical on April 21 2022.