Canonical launched Ubuntu 24.04 “Noble Numbat” on April 25. Noble Numbat marks Ubuntu’s 10th LTS (Long Term Support) launch and comprises a number of safety and function enhancements.

Ubuntu 23.10 “Mantic Minotaur,” launched Oct. 20, 2023, continues to be receiving safety updates via July 2024. Still, there’s no reason why you’ll be able to’t transfer to 24.04 these days.

In this information, you’ll be informed the stairs you wish to have to take to improve from Ubuntu 23.10 to Ubuntu 24.04.

Why Upgrade to Ubuntu 24.04 Noble Numbat?

One of the principle benefits of switching to Ubuntu 24.04 Noble Numbat is that as an LTS launch, customers will obtain 5 years of loose safety repairs at the major Ubuntu repository.

Users who sign up in Ubuntu Pro, which is loose for private use, get pleasure from an additional 5 years of updates for each the principle and universe repositories.

Subscribers too can acquire the legacy strengthen add-on for 2 years of extra strengthen.

If as much as 12 years of strengthen isn’t sufficient, Noble Numbat comprises new safety features, together with consumer namespace restrictions, binary hardening, and disabling older variations of TLS and AppArmor 4.

Most importantly, the entire Ubuntu 24.04 binary applications had been rebuilt in gentle of the hidden backdoor within the knowledge compression package deal xz Utils, came upon in early April.

Read the Noble Numbat launch notes to find all of the benefits of upgrading.

How It Works

Although you’ll be able to technically replace to Ubuntu 24.04 Noble Numbat the use of Terminal (see beneath), Ubuntu helps simple upgrades to the following model the use of the built-in Software Updater.

To improve, you first want to use the tool updater to verify your set up of Ubuntu 23.10 is up to the moment. Then, you’ll be able to rerun the tool updater to improve to Ubuntu 24.04.

Ubuntu 23.10 will then release the improve procedure, connecting to the important tool channels and appropriate applications. You’ll even be presented the selection to take away any out of date applications.

Ubuntu disables third-party repositories and PPAs by way of default. Once the OS upgrades to model 24.04, you’ll be able to re-enable those by the use of the command line.

Step 1. Prepare Your System

The improve procedure to Ubuntu 24.04 Noble Numbat is easy. However, it’s at all times a good suggestion to observe some elementary precautions when making important adjustments on your OS.

• Save and shut any open recordsdata and any operating techniques.
• If you’re the use of a conveyable tool, be certain it’s plugged into an influence supply to stop the battery from draining all over the improve.
• Make positive to run a complete machine backup the use of your favourite application.

Next, examine that your present model of Ubuntu 23.10 is up to the moment. The easiest way to try this is:

• Click the workspace switcher on the most sensible left, then kind “update” within the seek field.
• Click the “Software Updater” icon to release the application.

The tool updater will now seek for and show any to be had updates. Click “Install Now,” then input your admin password to obtain and practice those.

If Ubuntu 23.10 calls for you to restart to use any updates, click on “Restart Now.”

You too can use the command line to replace Ubuntu 23.10. Open Terminal and run:

sudo apt replace && sudo apt full-upgrade

Hit “Y” to replace Ubuntu 23.10 to the newest model.

Step 2. Get Ready To Upgrade

During the replace procedure, the machine will most likely require you to reboot. If so, log in once more to the Ubuntu Desktop.

You can now repeat the stairs above to release the Software Updater by the use of the workspace switcher (most sensible left).

You’ll subsequent see a notification mentioning that Ubuntu 23.10 is up to the moment however {that a} new model (24.04) is to be had. Select “Upgrade” to proceed.

We didn’t see this feature all over our assessments in the beginning, as we have been looking to improve just a few hours after Ubuntu 24.04 changed into to be had. If you might have the similar factor after launching Software Updater, shut the application, then release Terminal.

From right here, run:

sudo update-manager -c

If you obtain a notification mentioning that no new Ubuntu model has been discovered, upload the ‘-d’ flag to the command:

sudo update-manager -c -d

The improve instrument must now release.

Step 3. Start the Upgrade

Once the improve wizard launches, it’ll show a temporary creation to Ubuntu 24.04 LTS Noble Numbat and a hyperlink to the discharge notes. Take the time to seek advice from the hyperlink and skim via those to find all of the newest enhancements in Noble Numbat.

Next, select “Upgrade” to begin downloading the discharge improve instrument. Once that is whole, the instrument will release and state it’s “Preparing to Upgrade.” A window will now seem asking, “Do you want to Start the Upgrade?”

Read during the data right here, because it lists the collection of applications to be put in and the gap required. Then click on “Start Upgrade” to proceed.

Step 4. Install Your Upgrades

The launch improve instrument will start by way of putting in place new tool channels after which get started downloading the brand new applications discussed within the earlier step.

During this procedure, you may even see a urged relating to “libc6” asking whether or not Ubuntu must restart services and products all over package deal upgrades with out asking. Click “Next” to substantiate.

As the discharge improve instrument starts putting in the upgrades, it’s possible you’ll understand that the machine wallpaper will alternate to the default background for Noble Numbat. At this degree, you’ll be able to additionally click on “Terminal” to view detailed data at the improve procedure.

Step 5. Cleaning Up

When the discharge improve instrument reaches the cleaning-up degree, a window will seem, encouraging you to “Remove obsolete packages.”

If not sure what to do, make a selection “Details” to view a listing of redundant applications. You can select to “Keep” those, however within the hobby of saving area, we advise you select “Remove.”

Step 6. Confirm Your Upgrade

Whether or no longer you select to take away out of date applications, Ubuntu will now ask you to restart the OS to finish the improve. Select “Restart Now” to proceed.

Once logged in to the Ubuntu 24.04 desktop, you’ll be able to double-check that the improve was once a hit by the use of System Settings. Simply click on the workspace switcher on the most sensible left and input “about” within the seek bar.

From right here, make a selection “About” in Settings to view your OS model.

You too can examine the present model of Ubuntu by the use of the Terminal command:

lsb_release -a

Step 7. Re-enable PPAs and Repos

When Ubuntu is upgraded to a brand new model, by way of default, any third-party repositories and PPAs are disabled. Fortunately, those are simple to allow once more by the use of Terminal.

Ubuntu 24.04 LTS Noble Numbat has eradicated the normal /and many others/apt/assets.listing in want of /and many others/apt/assets.listing.d/ubuntu.assets for managing supply configuration. This is to stay the OS in step with the brand new “deb822” structure.

Nevertheless, the fundamental procedure for enabling repos/PPAS stays the similar:

• Launch Terminal and run:
  sudo nano /and many others/apt/assets.listing.d/ubuntu.assets
• If any third-party repos or PPAs you employ aren’t enabled, take away the ‘#’ firstly of the related line.
• Type Ctrl + X, then Y to go out and save adjustments.

Stay Up-to-Date

Even after you’ve upgraded to Ubuntu 24.04, you must at all times examine if any longer updates had been launched. To do that, repeat the directions in Step 1 to run the Software Updater.

Alternatively, release Terminal after which run:

sudo apt-get replace && sudo apt-get improve

Using the Terminal is fine on this case, as it’ll warn you if any of your third-party repositories/PPAs are nonetheless disabled.

Upgrade to Ubuntu 24.04 by the use of the Command Line

If you’re an skilled Linux consumer, it’s possible you’ll like to improve by the use of the command line. This way has some benefits in that there aren’t any home windows and buttons to regulate, however first, you’ll want to undergo Step 1 (above) to arrange your machine and run a complete backup.

Next, open Terminal and run:

sudo do-release-upgrade

This command will in particular examine for a brand new model of Ubuntu and urged you if you want to proceed the improve. Tap ‘y’ to continue.

When we ran this command in Terminal for this instructional, we noticed a urged mentioning that no new launch of Ubuntu was once to be had. We have been in a position to mend this by way of including the ‘-d’ flag, i.e.

sudo do-release-upgrade -d

We hope you to find this step by step information useful for upgrading from Ubuntu 23.10 to 24.04, permitting your machine to get pleasure from as much as 12 years of safety updates, efficiency enhancements, and the most recent options.

Editor’s Note: The Ubuntu pictures and screenshots featured on this article are credited to Canonical.