$ dpkg --get-selections | awk '$NF == "install"{print $1}' > list_of_packages.txt
The "dpkg --get-selections" lists all of the packages, then the
"awk" portion filters it to those that are currently installed, and
prints the package-name. The results can be dumped to the screen,
sent to a file (as above) or piped to "less" for review, whichever
you prefer.
-tim
On 2024-07-15 17:53, Karen Lewellen wrote:
> Hi Tim,
> the goal would indeed be currently installed packages, seems to be Debian,
> as dpkg seems to be here.
> may I have the command for installed packages again?
> here it starts with dkg, and I want to be sure this is not a typo.
>
>
>
> On Mon, 15 Jul 2024, Tim Chase wrote:
>
> >>>If the server is running an RPM-based distribution, then rpm -qa, but it
> >>>will likely print out a list of thousands of packages
> >>
> >>Is there a way to copy output into a file?
> >
> >The usual Unix way:
> >
> > $ rpm -qa > list_of_packages.txt
> >
> >and you can then review "list_of_packages.txt" as you see fit.
> >
> >If it's a Debian-based system, you can use "dpkg" to obtain similar
> >info:
> >
> > $ dpkg --get-selections > list_of_packages.txt
> >
> >which will include all installed and installed-but-then-uninstalled
> >packages. If you only want the currently-installed packages, you
> >can use
> >
> > $ dpkg --get-selections | awk '$NF == "install"{print $1}' > list_of_packages.txt
> >
> >-tim
> >
> >
> >
> >
> >
>
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