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michael
Asked: 2013-04-26 15:59:54 +0800 CST

Can not upgrade Ubuntu server to 13.04 using command line

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I am trying to upgrade ubuntu server from 12.10 to 13.04 using command line.

I get the follow error when I do this command "sudo do-release-upgrade -d":

 $ sudo do-release-upgrade -d
Checking for a new Ubuntu release
Traceback (most recent call last):
  File "/usr/bin/do-release-upgrade", line 145, in <module>
    fetcher.run_options += ["--mode=%s" % options.mode,
AttributeError: type object 'DistUpgradeFetcherCore' has no attribute 'run_options'

Do you have any idea how to fix this?

Thank you.

server

1 Answers

  1. The -d switch is not required in this case. At the time of the question, 13.04 was stable not development. The -d switch indicates to do-release-upgrade to install the latest development version, but at the time no distribution was on development. A normal sudo do-release-upgrade will upgrade your system.

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