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Old 16th June 2012, 11:58
stuart_88 stuart_88 is offline
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Default Ubuntu 11.10 Upgrade to 12.04 - Release Upgrade Tool fails to complete download

I am new to ubuntu and unix systems and am trying to install ubuntu 12.04 on my system via the update-manager. My 11.10 version is current and checks have been made prior to clicking the update button for 12.04. However when the Release Update Tool is downloading it appears to fail to complete and get to the next stage of the process.

I have tried doing the install from the command line and it appears to be going well following entry of do-release-upgrade (Release Update Tool completes download) but fails with the following messages: -

>>> /etc/sudoers.d/sew_sudoers: too many levels of includes near line 25 <<<
sudo: parse error in /etc/sudoers.d/sew_sudoers near line 25
sudo: no valid sudoers sources found, quitting

Any help anyone can offer would be appreciated.

Regards.

stuart_88
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Old 17th June 2012, 20:05
falko falko is offline
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Can you post /etc/sudoers.d/sew_sudoers? Is this the original file, or did you modify it? If you modified it, what exactly did you change?
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Old 18th June 2012, 18:38
stuart_88 stuart_88 is offline
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Hi Falco,

Thanks for your interest in my problem. The information I submitted was the whole file contents of sew_sudoers and I have not made any changes to that file. My permissions have not allowed me to post the contents of the file so I have typed it into the message box.

Regards.

stuart_88
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Old 22nd June 2012, 22:14
stuart_88 stuart_88 is offline
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Hi
Problem has now been resolved. The /etc/sudoers.d folder contained a copy of the sudoers file held in /etc and was causing the upgrade process to abort. Having renamed the copy to a .backup version the upgrade to version 12.04 went ahead without further problems.

Thanks for your interest.

Stuart_88
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