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Re: apt-get doesn't upgrade, but synaptic does

On 10 April 2014 16:07, Frank McCormick <debianlist@videotron.ca> wrote:
> Had a strange problem this morning for the second time recently:
> root@frank-debian:/home/frank# apt-get upgrade
> Reading package lists... Done
> Building dependency tree
> Reading state information... Done
> Calculating upgrade... Done
> The following package was automatically installed and is no longer required:
>   python-gtksourceview2
> Use 'apt-get autoremove' to remove it.
> The following packages have been kept back:
>   eom-common mate-panel mate-panel-common
> The following packages will be upgraded:
>   base-passwd cups cups-bsd cups-client cups-common cups-core-drivers
> cups-daemon
>   cups-ppdc cups-server-common dnsmasq-base geoip-database libcups2
> libcupscgi1
>   libcupsimage2 libcupsmime1 libcupsppdc1 man-db pluma pluma-common ruby
> 20 upgraded, 0 newly installed, 0 to remove and 3 not upgraded.
> Need to get 7,645 kB of archives.
> After this operation, 4,731 kB disk space will be freed.
> Do you want to continue? [Y/n]
> Apt-get then did what it said it would upgrading everything except
> mate-panel, mate-panel-commong and eom
> Then I ran synaptic...and it removed an old version of mate-panel-applets
> and replaced it with the newer version. It then upgraded
> mate-panel and mate-panel-common.
> Why was synaptic able to figure out what was needed (the newer version of
> mate-panel-applets) and neither apt-get nor aptitude could figure it
> out ?
> This is the second time recently that synaptic was able to accomplish what
> apt-get and aptitude couldn't.
> --
> When the rich get richer they get more powerful
> and that puts them in the position to lobby for policies
> to make them even richer.
> - former Clinton advisor Larry Summers

Synaptic, I think, defaults to Smart Upgrade, the equivalent is
apt-get  dist-upgrade.
Man apt-get for the full details

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