how I can upgrade ubuntu 16.10 to 18.04???

Asked by Mahdeyeh on 2018-12-29

I want to upgrade my ubuntu 16.10

it responsed below text. What should I do?

Checking for a new Ubuntu release
Your Ubuntu release is not supported anymore.
For upgrade information, please visit:

Get:1 Upgrade tool signature [819 B]
Get:2 Upgrade tool [1,263 kB]
Fetched 1,264 kB in 0s (0 B/s)
authenticate 'bionic.tar.gz' against 'bionic.tar.gz.gpg'
extracting 'bionic.tar.gz'

Reading cache

Checking package manager

Can not upgrade

An upgrade from 'yakkety' to 'bionic' is not supported with this

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Manfred Hampl (m-hampl) said : #1

I am not sure whether an in-place upgrade from Ubuntu 16.10 to 18.04 is possible at all.

The upgrade paths as designed would have been
either 16.04 -> 18.04
or 16.04 -> 16.10 -> 17.04 -> 17.10 -> 18.04 (which, however, would involve upgrading to an unsupported release, which is not possible).

For diagnostic purposes please provide the full output that you receive for the commands:

uname -a
lsb_release -crid
cat -n /etc/update-manager/release-upgrades
do-release-upgrade --version
DEBUG_UPDATE_MANAGER="Y" do-release-upgrade

I suggest you wipe the install off and do a clean install of Bionic. Bionic is LTS and supported until April 2028.

You can restore your user data from your backups

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