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.