Package removal?

Jim Byrnes jf_byrnes at
Fri Jan 22 03:28:26 UTC 2010

Emil Payne wrote:
> Jim Byrnes wrote:
>> Emil Payne wrote:
>>> Jim Byrnes wrote:
>>>> Shortly after installing Unbuntu I used the Synaptic Package Manager to 
>>>> install Thunderbird  I've since manually installed version 3 
>>>> and want to remove the earlier version.
>>>> I went to the package manager and marked it for removal.  At the final 
>>>> step I see this message:
>>>> Summary:
>>>> 13 packages will be held back and not upgraded
>>>> 1 package will be removed
>>>> What is the significance of the 13 packages being "held back"?
>>>> Will this mess with my 3.0 installation at all?
>>>> Thanks,  Jim
>>> Normally it means that there are 13 updates waiting to be applied but 
>>> you haven't given it permission.  Check your update option, it should 
>>> tell you that there are 13 updates and let you chose which one.  Or mark 
>>> all and then go back and unmark any you don't want.  Although, if you 
>>> really don't want an update you might consider just removing or 
>>> completely removing the package you don't want.
>>> Emil
>> I looked in the Thunderbird preferences and under Automatically check 
>> for updates, Thunderbird is checked but it is greyed out. When ever 
>> Ubuntu's Update Manager has notified me of updates I have given it 
>> permission to perform the updates.
>> Or is there somewhere else I should be looking?
>> Thanks,  Jim
> These are probably not Thunderbird updates.  They are updates for other 
> things.  You do have notifications from package manager, but sometimes 
> you may see the updates in synaptic before you see them in package 
> manager.  In synaptic there is a big button near the top that sys 
> something like "Mark all updates".  Click on that and you should see 
> what  the updates are. If not, then click in the bottom left on "custom 
> filters" then above it on the "marked changes" tab.  Just make sure your 
> "quick search" filter is empty.
> Emil

I followed your instructions and it showed one package (acroread) that 
needed updating.  Not what I expected but now I know a little bit more 
about using Ubuntu.  Thanks for showing me that.

Regards,  Jim

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