dpkg -s myslice
dpkg --info -c myslice_0.2.4.lxc.2013.11.26_amd64.deb
+--- install from a local .deb
+dpkg -i foo.deb
+- or, if this has deps that need to be pulled through apt-get:
+gdebi foo.deb
+(install with apt-get install -y gdebi-core)
+
+--- find which package a file belongs to
+apt-file search /path/to/file
+(can be installed with : sudo apt-get install apt-file)