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I first ran sudo apt-get update, then tried the following commands and they all failed

sudo do-release-upgrade
sudo do-release-upgrade -d
sudo do-release-upgrade -p

Each of the previous commands printed the same message:

Checking for a new Ubuntu release
No new release found

I tried sudo apt-get upgrade...nothing

I tried running the update-manager from the dash multiple times...nothing

This is the output of cat /etc/apt/sources.list

# deb cdrom:[Ubuntu 13.10 _Saucy Salamander_ - Release amd64 (20131016.1)]/ saucy main restricted
deb-src http://archive.ubuntu.com/ubuntu saucy restricted main #Added by software-properties
# deb cdrom:[Ubuntu 13.10 _Saucy Salamander_ - Release amd64 (20131016.1)]/ saucy main restricted

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://archive.ubuntu.com/ubuntu saucy main restricted
deb-src http://archive.ubuntu.com/ubuntu saucy multiverse universe #Added by software-properties

## Major bug fix updates produced after the final release of the
## distribution.
deb http://archive.ubuntu.com/ubuntu saucy-updates main restricted
deb-src http://archive.ubuntu.com/ubuntu saucy-updates restricted multiverse main universe #Added by software-properties

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
deb http://archive.ubuntu.com/ubuntu saucy universe
deb http://archive.ubuntu.com/ubuntu saucy-updates universe

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu 
## team, and may not be under a free licence. Please satisfy yourself as to 
## your rights to use the software. Also, please note that software in 
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
deb http://archive.ubuntu.com/ubuntu saucy multiverse
deb http://archive.ubuntu.com/ubuntu saucy-updates multiverse

## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.

deb http://archive.ubuntu.com/ubuntu saucy-security main restricted
deb-src http://archive.ubuntu.com/ubuntu saucy-security restricted multiverse main universe #Added by software-properties
deb http://archive.ubuntu.com/ubuntu saucy-security universe
deb http://archive.ubuntu.com/ubuntu saucy-security multiverse

## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.
deb http://archive.canonical.com/ubuntu saucy partner

## This software is not part of Ubuntu, but is offered by third-party
## developers who want to ship their latest software.
deb http://extras.ubuntu.com/ubuntu saucy main
deb-src http://extras.ubuntu.com/ubuntu saucy main

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.

## Major bug fix updates produced after the final release of the
## distribution.

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu 
## team, and may not be under a free licence. Please satisfy yourself as to 
## your rights to use the software. Also, please note that software in 
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.

## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.


## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.
deb-src http://archive.canonical.com/ubuntu saucy partner

## This software is not part of Ubuntu, but is offered by third-party
deb http://archive.canonical.com/ saucy partner
deb-src http://archive.canonical.com/ saucy partner
## developers who want to ship their latest software.

What could I be missing ?

Muhammad Gelbana
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    It might - and likely will - take some time to distribute to all of the Ubuntu users around the world... Software updates and upgrades will often be distributed in "waves" ("x" users at a time), in order to minimize the possibility of an unknown bug affecting all users.

    Furthermore, the "April 17th" release date may not actually be April 17th in all parts of the world - for example, we're sitting on April 18th here in Australia...

    Try it again in 24 hours - this should be available to most (if not all!) users by then.

     – Gregory Opera Apr 18 '14 at 00:29
  • For those seeking an answer, I changed my mirror to the best mirror (based on speed, ubuntu helps detecting that, choose to change your mirror and you'll find a button to do so), then I ran sudo update, then ``sudo do-release-upgrade` worked fine. – Muhammad Gelbana Apr 18 '14 at 12:03

1 Answers1

1

I tried sudo do-release-upgrade last nigth, I was told No new release found too. And, I found the iso image file can not be downloaded yesterday, because, there was no such a file there that time.

But this morning, I found I can download the image iso file, so...

I upgrade to 14.04 successfully via sudo do-release-upgrade

Try again, and good luck.

scozv
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  • Yeah, it's available now - it hit Australia early this afternoon... It takes a bit for the new versions to distribute to all of the various sources on the Interwebs. I would imagine that most attempts to download it either by Terminal or UI - would be successful by now... – Gregory Opera Apr 18 '14 at 12:12
  • A faster method is to change the mirror. I did so and it worked. Thank you. – Muhammad Gelbana Apr 18 '14 at 22:07