Re: [Ilugc] need help : how to find whether the particular packages installed or not via terminal command

2010-01-07 Thread Arulalan T
>>
>> dpkg -l | grep   ?
>

simple and nice command .
it gives detailed about only installed packages.
for non-installed package , it will return nothing.

> Alternately
> aptitude search 
> If the first column is 'i', it means the package is installed.
> __

it gives very elaborate output for both installed and non-installed packages.



both commands are powerful.

thanks to all. ! .



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Re: [Ilugc] need help : how to find whether the particular packages installed or not via terminal command

2010-01-07 Thread Mehul Ved
On Thu, Jan 7, 2010 at 3:25 PM, Abishek Goda  wrote:
>> how can we find , whether one package is installed in our system or
>> not via terminal.
>
> dpkg -l | grep   ?

Alternately
aptitude search 
If the first column is 'i', it means the package is installed. See
http://algebraicthunk.net/~dburrows/projects/aptitude/doc/en/ch02s02s02.html
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Re: [Ilugc] need help : how to find whether the particular packages installed or not via terminal command

2010-01-07 Thread Abishek Goda
> how can we find , whether one package is installed in our system or
> not via terminal.

dpkg -l | grep   ?

Abishek
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[Ilugc] need help : how to find whether the particular packages installed or not via terminal command

2010-01-07 Thread Arulalan T
Hi friends,


i have one doubt.

how can we find , whether one package is installed in our system or
not via terminal.

in synaptic , we can see the color difference between installed
packages and non-installed packages.

like wise , how can we find the difference b/w installed and non-installed
package using command ?

In terminal , [for eg]

$ apt-cache search tuxpaint

It will give the package details about tuxpaint

$ apt-get install tuxpaint

It will give result ,

if installed , -> the package tuxpaint is already installed and newest version.

if not installed -> the package size is 29MB.
...
bla bla bla bbblllabba .
...

Need to get 28.9MB of archives.
After this operation, 49.6MB of additional disk space will be used.
Do you want to continue [Y/n]?

so my question is , the alternate command to find out the particular
package is installed or not , via terminal .

i searched in net , but cant get clearly .


any one can suggest me . thanks in advance !

--




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