As far as I know, you need to run update-manager with sudo, so you should use:
sudo update-manager --dist-upgrade
Marking the bug as invalid, but feel free to report any comment, or to reopen.
Note that Hardy version have better error message:
[EMAIL PROTECTED]:~$ update-manager --dist-upgrade
ERROR:root:Cache can not be locked (E:Impossible d'ouvrir le fichier verrou
/var/lib/dpkg/lock - open (13 Permission non accordée), E:Unable to lock the
administration directory (/var/lib/dpkg/), are you root?)
[EMAIL PROTECTED]:~$ update-manager --version
update-manager: version 0.87.24
** Changed in: update-manager (Ubuntu)
Assignee: (unassigned) => [EMAIL PROTECTED] (dufresnep-deactivatedaccount)
Status: New => Invalid
--
OSError: [Errno 13] Permission denied: '/var/log/dist-upgrade/apt.log'
https://bugs.launchpad.net/bugs/121289
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