Ubuntu 18.04: Install Ubuntu 18.04

Update current Ubuntu to latest.

$ sudo apt update -y
$ sudo apt upgrade -y
$ sudo apt dist-upgrade -y

Upgrade from current Ubuntu to Ubuntu 18.04 with do-release-upgrade. But do-release-upgrade needs -d option on 2018/4/27 in order to ReleaseNotes.

$ sudo apt install -y ubuntu-release-upgrader-core
sudo do-release-upgrade
Checking for a new Ubuntu release
No new release found.
$ sudo do-release-upgrade -d # If do-release upgrade cannot find

Type y for starting upgrade.

Installing the upgrade can take several hours. Once the download has
finished, the process cannot be canceled.

 Continue [yN]  Details [d]y

If you have modified files, overwrite caution will be displayed. Type Y or N.

Configuration file '/etc/NetworkManager/NetworkManager.conf'
 ==> Modified (by you or by a script) since installation.
 ==> Package distributor has shipped an updated version.
   What would you like to do about it ?  Your options are:
    Y or I  : install the package maintainer's version
    N or O  : keep your currently-installed version
      D     : show the differences between the versions
      Z     : start a shell to examine the situation
 The default action is to keep your current version.
*** NetworkManager.conf (Y/I/N/O/D/Z) [default=N] ? N

Type y for removing obsoleted software.

270 packages are going to be removed.

Removing the packages can take several hours.

 Continue [yN]  Details [d]y

Type y for reboot.

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

Ubuntu 18.04 will be started after reboot.

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 18.04 LTS
Release:        18.04
Codename:       bionic

Canonical Livepath is one implementation of Kernel Livepatch. This can be used from Ubuntu 16.04, Ubuntu 18.04 makes setting to be more easier with GNOME3 Initial Setup.

There are other implementations like RedHat's kpatch and SUSE's kGraft.

Kernel is always updating for security and bug. And you need to restart machine for applying kernel update.

If using Kernel Livepatch, you can apply kernel update without restarting machine. So you can control machine restartning.

Canonical Livepatch needs Ubuntu Single Sign On account. With one Ubuntu Single Sign On account, Canonical Livepatch can be used to three machine for free. Ubuntu Single Sign On account needs e-mail address.

This article will describe registering Ubuntu Single Sign On account and setting up Canonical Livepatch.

For first time login, GNOME3 Initial Setup dialog named "Welcome to Ubuntu" is displayed.

Canonical Livepatch setting is displayed. Click "Set Up Livepatch".

Because root privilege is needed, "Authentication Required" is displayed. Input password of user which is created when installation.

If you don't have Ubuntu Single Sign On account, Check "I want to register for an account now" and click "Connect".

Firefox will open Ubuntu Single Sign On page. Input e-mail, name, username and password. Confirm and check "Ubuntu One terms of service". And then click "Create account".

Go back to "Welcome to Ubuntu". Check "I have an Ubuntu Single Sign-On account". And input e-mail and password of Ubuntu Single Sign On account.

Because root privilege is needed, "Authentication Required" will be displayed twice. Input password of user which is created when installation.

Canonical Livepatch setting is completed. Click "Next".

If you do'nt want to send statics report to developper, check "No, don't send system info".

GNOME3 Initial Setup is completed.

If you need to set up Canonical Livepatch later, you can run GNOME3 Initial Setup manually.

Click /usr/share/applications/gnome-initial-setup.desktop which is an icon named "Initial Setup"

Or run the following command on terminal.

$ /usr/lib/gnome-initial-setup/gnome-initial-setup