How to update Ubuntu 10.04 to 10.10

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Recently, the new Ubuntu 10.10 (Maverick Meerkat) was published. This guide will detail how desktop and server on the new Ubuntu 10.10 update Maverick Meerkat. Run the update manager (System> Administration> Update Manager):

Update Manager menu, click on the Settings ... button in the bottom left corner:

Now you should have the updates tab open in the Software Sources window. Choose normal releases in the following drop-down menu Show new distribution releases: and click on Close:

Back in the Update Manager, click on the button to check for new updates and new releases check:

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The update manager should then show that there is a new distribution, namely 10.10. Click the Upgrade button to upgrade to the new release version to run on then:

It now opens a window with the release notes the new version. Click again to upgrade:

The upgrade tool will be downloaded. Thereafter, please enter your password. The upgrade is now being prepared:

Click Start Upgrade to the actual update process to begin now to:

The new packages are now being downloaded ...

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You should see following message appears: Continue without installing GRUB?. I received to tick the box and click forward for the system to the old, working GRUB still used. If you do not select this option, GRUB is the Update Manager to install the new version and answer questions, which will take place on the partition. This could mean that your system does not boot if the wrong partition is specified.

Because we now the set of software release upgrade in the window had to change sources, notification will appear below. It's okay if you choose to Keep:

At the end of the upgrade, you should now remove obsolete packages:

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To complete the upgrade, the system must be restarted. Click this, click Restart Now:

First you have to log in as root:

sudo su

Then lead

aptitude update

and then install the package update-manager-core:

aptitude install update-manager-core

Open the file / etc / update-manager / release-upgrades ...

vi / etc / update-manager / release-upgrades

... And look to whether it includes prompt = normal: Then lead

do-release-upgrade

... Umd to start the upgrade.

root @ server1: ~ # do-release-upgrade

• Checking for a new ubuntu release
  
• Done Upgrade tool signature
  
• Done Upgrade tool
  
• Done downloading
  
• extracting 'maverick.tar.gz'
  
• authenticate 'maverick.tar.gz' against 'maverick.tar.gz.gpg'
  
• tar: Removing leading `/ 'from member names
  
• Reading cache
  
• Checking package manager
  
• Continue running under SSH?
  
• This session appears to be running under ssh.
  
• It does not recommend an upgrade of SSH to make, because if it goes wrong much more difficult the system is to reinstall.
  
• If you continue, additional ssh daemon wants to be started at port '1022 '.
  
• Do you want to continue?
  
• Continue [Y/N] <- y
  
• Confirm that the upgrade will be performed:

Do you want to start the upgrade?
2 installed packages are no longer supported by Canonical. You can still get support from the community. 1 package is going to be removed. 30 new packages are going to be installed. 332 packages are going to be upgraded. You have to download a total of 221M. This download will take about 3 minutes with your connection. Fetching and installing the upgrade can take several hours. Once the download has finished, the process can not be canceled.