I'm using virtual server based on Debian Linux for some my free projects. One of them is based on Postgres with PostGIS extension. This windy rainy day is a good time for executing some upgrade. Also I would like to add partman extension for partituoning. Checking new version. Update package list : aptitude update Get: 1 http://ftp.debian.org/debian jessie-updates InRelease [145 kB] Get: 2 http://security.debian.org stretch/updates InRelease [62.9 kB] Get: 3 http://security.debian.org jessie/updates InRelease [63.1 kB] Check for new version: dpkg-query -l postgresql* 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 ...