Upgrade Ubuntu Server

Upgrade Ubuntu Server

First become root:

sudo su

Then run

apt-get update

and install the package update-manager-core:

apt-get install update-manager-core

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

vi /etc/update-manager/release-upgrades

... and change Prompt=lts to Prompt=normal:

[...]

Prompt=normal

Then run

do-release-upgrade

to start the distribution upgrade.

Confirm that you want to do the upgrade:

Doyouwanttostarttheupgrade?


2packagesaregoingtoberemoved.48newpackagesaregoingtobe
installed.376packagesaregoingtobeupgraded.

Youhavetodownloadatotalof242M.Thisdownloadwilltakeabout6
minuteswithyourconnection.

Fetchingandinstallingtheupgradecantakeseveralhours.Oncethe
downloadhasfinished,theprocesscannotbecancelled.

Continue[yN]Details[d]<--y

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

Removeobsoletepackages?


21packagesaregoingtoberemoved.

Continue[yN]Details[d]<--y

The server needs to be rebooted to complete the upgrade:

System upgrade is complete.

Restart required

To finish the upgrade, a restart is required.
If you select 'y' the system will be restarted.

Continue [yN] <-- y

After the reboot, your server is running new Ubuntu.

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