Re: How does one ....?

[Juanje Ojeda Croissier <jojeda@emergya.es>]

Frank DiGravina escribió:
> Hello,

Hi Frank :-)

> How does one query one's Debian box to determine
> what packages have been installed?

I think the better way to know that is:

$ dpkg -l | awk '/^ii/ {print $2}'

But sure, it's better to see with a pager or redirect to a file:

$ dpkg -l | awk '/^ii/ {print $2}' | less

or

$ dpkg -l | awk '/^ii/ {print $2}' > file.txt


'dpkg --get-selection' could give you also the list of packages, but you must be 
careful with the filter you pass to it.

$ dpkg --get-selections | awk '/install/ { print $1 }'

gives you also the packages with the status *deinstall*, which are packages that 
you've installed but you've also removed.

Cheers