If I install something from a .deb, how to remove it?

[Pete Vander Giessen]

dpkg has a "get-selections" option that will list installed software:

To list everything installed in your system:
$ dpkg --get-selections

To stop from going insane on account of the length of the list:

$ dpkg --get-selections | grep -i <sometext>

where <sometext> is a reasonable guess as to what the package name
might be.  For example:

$ dpkg --get-selections | grep -i virtualbox

Tells me that that I have the packaged "virtualbox-3.2" installed.

$ sudo dpkg --remove virtualbox-3.2
would get rid of it.

Regards,

~PeteVG

" ... the original aphorism being 'In comparison with the ancients, we
stand like dwarfs on the shoulders of giants.' The image was a
commonplace by the time Newton used it, his one contribution being to
erase any sense that he himself might be a dwarf."

~ Lewis Hyde



On Wed, Jun 2, 2010 at 11:03 AM, Goh Lip <g.lip at gmx.com> wrote:
> On 06/03/2010 01:54 AM, Goh Lip wrote:
>> On 06/03/2010 01:41 AM, arshad wrote:
>>> On Thu, 2010-06-03 at 01:31 +0800, Goh Lip wrote:
>>>> On 06/03/2010 01:20 AM, arshad wrote:
>>>>> If I installed something from software center, i can go back there,
>>>>> search for it and can remove it.
>>>>>
>>>>> but if I install something from a .deb package, how can I remove it?
>>>>>
>>>>> eg. I have installed Oracle VM box from a .deb I downloaded.
>>
>>
>>>>>
>>>>>
>>>> sudo dpkg -r packagename
>>>>
>>>> Regards - Goh Lip
>>>>
>>>
>>>
>>> Thanks Goh Lip,
>>> how can i get the correct package name?
>>> like oracle-vm-box or just oracle vm-box or oracle vm box etc....
>>>
>>> thanks.
>>
>> I don't use that, but to see which is the correct package name, you
>> could try the command 'apt-cache policy' and see which gives some
>> output, eg....
>> apt-cache policy oracle-vm-box
>> apt-cache policy oracle
>> apt-cache policy vm-box
>>
>> Package names are one word names.
>>
>> By the way, similarly you can also remove repository packages by
>> "sudo apt-get remove packagename" too.
>>
>> Regards - Goh Lip
>>
>>
>
> Try  "virtualbox"?  So...
> sudo dpkg -r virtualbox
>
> Regards - Goh Lip
>
>
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