QGIS is not starting because of deleted file libgeos_c.so.1,How can I fix it It was originally running but some how I have deleted this file for some porpose installation of postgis for postgress but can't start it now. It shows error as follows on ubuntu 14.04 machine
/usr/bin/qgis.bin: error while loading shared libraries: libgeos_c.so.1: cannot open shared object file: No such file or directory