dpkg -L elasticsearch:
/.
/usr
/usr/share
/usr/share/elasticsearch
/usr/share/elasticsearch/bin
/usr/share/elasticsearch/bin/classpath.in.sh
/usr/share/elasticsearch/bin/elasticsearch.in.sh
/usr/share/elasticsearch/bin/plugin
/usr/share/elasticsearch/bin/elasticsearch
/usr/share/elasticsearch/plugins
/usr/share/doc
/usr/share/doc/elasticsearch
/usr/share/doc/elasticsearch/copyright
/usr/share/doc/elasticsearch/README.textile.gz
/etc
/etc/elasticsearch
/etc/elasticsearch/logging.yml
/etc/elasticsearch/elasticsearch.yml
/etc/init.d
/etc/init.d/elasticsearch
/etc/default
/etc/default/elasticsearch
/var
/var/lib
/var/lib/elasticsearch
/var/log
/var/log/elasticsearch
/usr/share/elasticsearch/data
/usr/share/elasticsearch/config
/usr/share/elasticsearch/logs
/usr/share/doc/elasticsearch/changelog.Debian.gz

dpkg -l elasticsearch:

/.
/usr
/usr/share
/usr/share/elasticsearch
/usr/share/elasticsearch/bin
/usr/share/elasticsearch/bin/classpath.in.sh
/usr/share/elasticsearch/bin/elasticsearch.in.sh
/usr/share/elasticsearch/bin/plugin
/usr/share/elasticsearch/bin/elasticsearch
/usr/share/elasticsearch/plugins
/usr/share/doc
/usr/share/doc/elasticsearch
/usr/share/doc/elasticsearch/copyright
/usr/share/doc/elasticsearch/README.textile.gz
/etc
/etc/elasticsearch
/etc/elasticsearch/logging.yml
/etc/elasticsearch/elasticsearch.yml
/etc/init.d
/etc/init.d/elasticsearch
/etc/default
/etc/default/elasticsearch
/var
/var/lib
/var/lib/elasticsearch
/var/log
/var/log/elasticsearch
/usr/share/elasticsearch/data
/usr/share/elasticsearch/config
/usr/share/elasticsearch/logs
/usr/share/doc/elasticsearch/changelog.Debian.gz
ubuntu@xxx:~$ ^C
ubuntu@xxx:~$ dpkg -l elasticsearch
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
+++-=====================================================-===============================-===============================-===============================================================================================================
ii elasticsearch 1.7.3+dfsg-3 all Open Source, Distributed, RESTful Search Engine