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This question already has an answer here:

There was a bug fix awhile back for this problem: `do-release-upgrade` selects 18.04 instead of 17.10 target. My problem is the opposite of this bug fix.

On my test partition when I try to upgrade 16.04 to 18.04 and I run:

~$ sudo do-release-upgrade
Checking for a new Ubuntu release
Get:1 Upgrade tool signature [819 B]                                                       
Get:2 Upgrade tool [1,253 kB]                                                              
Fetched 1,254 kB in 0s (0 B/s)                                                             
authenticate 'artful.tar.gz' against 'artful.tar.gz.gpg' 
extracting 'artful.tar.gz'

It is selecting Artful (17.10) and not Bionic (18.04).

If I change /etc/update-manager/release-upgrades last line from:

Prompt=normal

to:

Prompt=lts

and rerun do-release-upgrade I get this:

$ sudo do-release-upgrade
Checking for a new Ubuntu release
No new release found.

Assuming 18.04 has been properly populated into Canonical Repositories, what am I doing wrong???

marked as duplicate by Community Apr 28 '18 at 22:53

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

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    It takes several days (business days, aka monday thru friday days, and not just 'days' in general) for the 17.10 -> 18.04 release to be made 'normal' and offered that way. If you're on 16.04, then it takes about a week after the 18.04.1 release until that upgrade path is directly available. – Thomas Ward Apr 28 '18 at 22:41
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It's normal; it will take some time before the new release is offered that way.

If you want to do it now, try:

do-release-upgrade -d
  • Haha it's like I already knew that but forgot :( – WinEunuuchs2Unix Apr 28 '18 at 22:53
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    From man do-release-upgrade: -d, --devel-release If using the latest supported release, upgrade to the development release. So until the 'CC' will be the development release, this will point to 18.04 LTS alias 'Bionic Beaver'. – sudodus Apr 28 '18 at 22:57

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