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How do I upgrade to Ubuntu 20.04 beta now?

via:IMCN     time:2020/4/6 21:01:31     readed:108

Ubuntu 20.04 beta has been released, Ubuntu 20.04 beta uses the new Linux 5.4 kernel; the latest Gnome 3.36 desktop version, including the new lock screen; and adds a new dark mode setting in the appearance section. There's a faster desktop, a new snap'd Ubuntu software tool, a series of Yaru theme changes, a new wallpaper and no more Amazon Web applications!

New Download Address:

Download Ubuntu 20.04 beta (64 bit. ISO)

You may be considering upgrading to Ubuntu 20.04 yourself, but what do you do?

This guide guides the steps you need to upgrade from Ubuntu 18.04 or Ubuntu 19.10 to Ubuntu 20.04.

you do not need to download. iso upgrade from USB drive, don't make a fuss, and do n' t lose any files - you can upgrade directly via internet connection.

Remember that the final stable version of focal fossa is not yet available, only beta quality candidates are available.

If you know the risks involved in running the beta software, you can upgrade to 20.04 by April 23.

Before upgrading, it is recommended to create a backup of all important files and system settings, files, and any important content. If there is a problem, please also keep some "rescue".

How to upgrade to Ubuntu 20.04

stable Ubuntu 20.04 version will be released on april 23,2020.

Ubuntu 20.04 version supports a five-year application and security update and support for the technology from April 23,2020 to July 2025.

You can upgrade directly from Ubuntu 18.04 or Ubuntu 19.10 to 20.04 after this date (if you run an earlier version, you must upgrade to Ubuntu 18.04 first).

To upgrade to Ubuntu 20.04, you need to:

  • Normal Internet connection

  • Fully updated Ubuntu 18.04 lts or Ubuntu 19.10

  • Patience

The exact steps required for each release are slightly different, so please read carefully.

Note: you may not upgrade to Ubuntu 20.04 from a 32-bit version of Ubuntu. Support for 32-bit architecture was removed in 19.10.

If reliable and stable systems are required, they should be upgraded to Ubuntu 20.04. by 23 April The beta will contain errors and you may encounter problems.

Upgrade from Ubuntu 18.04 lts before April 23

To upgrade from Ubuntu 18.04 to Ubuntu 20.04 by the release date, run:

sudo do-release-upgrade -d

this command checks for new development versions, disables all third parties PPA, and then overrides the system apt list to point to the focal development branch (from which you get the update package needed to complete the upgrade).

Do not press any other button after issuing the command. Wait for it to calculate the changes. If your Internet connection is reliable, follow the instructions.

no need to re-enable bionic manual (18.04) repurchase if you choose WILL reject the upgrade prompt. this is not done automatically.

Most of the upgrade is done automatically, which means you can do other things without waiting (and observe all the lines passing through you in the terminal).

That is, don't give up your system completely depending on configuration. At some point in the process, you may need to press y or cancel the coverage of n odd packages (it won't give in unless you do).

After completion, simply restart the system when the system prompts you to enjoy the refreshed Focal Fossa experience directly.

Date or after issue

The easiest way to upgrade to Ubuntu 20.04 is to wait for it to be released - or?

you will not receive Ubuntu 20.04 available notifications until july, when the first distribution of the focus cycle is released you are using Ubuntu 18.04LTS,.

Here is the standard practice designed to maximize stability (after all, this is what LTS all means).

To upgrade to Ubuntu 20.04 after a stable release but before a fixed-point release in July, you only need to change the upgrade preferences settings as follows:

  • Open software and updates

  • Select the update tab

  • Change "notify me of new Ubuntu version" to "for any new version"

Now, when the Software Updater executes its routine after April 23, it will "view" the new version and let you know. You only need to click "upgrade", and the rest can be guessed!

note: Ubuntu changed the way of its file system layout in 20.04. While upgrades can be made without problems, note that the location of some folders may be linked to other folder symbols.

Upgrade from Ubuntu 19.10

Prior to 23 April

To upgrade the Ubuntu 19.10 to 20.04 by April 23 beta, you need to run the following commands in the new terminal window (ctrl alt t):

sudo do-release-upgrade -d

This command checks for new development versions, disables all PPA, and then rewrites the system apt list to point to the focal development branch.

Please do not cancel the upgrade process after running this command. Once you have completed the calculation of the required packages, you will have the opportunity to decline the upgrade. However, if you do this, you will damage the system.

please also remember that you should have run back after upgrade do-release-upgrade you WILL need to re-enable eoan manual (19.10) buyback. this is not done automatically.

On or after the issue date

You can upgrade Ubuntu 19.10 to 20.04 after April 23 using the built-in Software Updater tool.

You will be notified through the following dialog box that you can get updates automatically. When you see the rest, just click upgrade Button.

You'll see something like this

Please note that not everyone will see this upgrade prompt at the same time. If you don't see it immediately on the day of release, don't panic.

To force a check for a new stable Ubuntu version, run the following command:

sudo do-release-upgrade -c -d

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