dpkg --get-selections | grep -v deinstall

qezwan@eos:~$ dpkg --get-selections | grep -v deinstall
accountsservice					install
acl						install
acpi-support					install
acpid						install
adduser						install
adwaita-icon-theme				install
alsa-base					install
alsa-utils					install
anacron						install
apg						install
app-install-data				install
apparmor					install
appcenter					install
apport						install
apport-gtk					install
apport-symptoms					install
appstream					install
appstream-data-pantheon-loki-stable		install
appstream-data-pantheon-loki-stable-icons	install
apt						install
apt-transport-https				install
apt-utils					install
aptdaemon					install
aptdaemon-data					install
aspell						install
aspell-en					install
... .

$ apt list --installed
$ apt list --installed | grep php

dpkg --get-selections | grep -v deinstall > mylist.txt

$ dpkg -l | grep ^ii | awk ‘{ print $2}’ > mylist.txt

$ scp mylist.txt user@server2:~/

$ dpkg --clear-selections
$ sudo dpkg --set-selections < mylist.txt

$ sudo apt-get install -y $(< mylist.txt)

$ sudo apt-get autoremove