or download this
install_driver(Pg) failed: Can't load '/usr/lib64/perl5/vendor_perl/au
+to/DBD/Pg/Pg.so' for module DBD::Pg: libpq.so.5: cannot open shared o
+bject file: No such file or directory at /usr/lib64/perl5/DynaLoader.
+pm line 190.
...
at /usr/local/ztest/ztest_home/src/perl/lib/ZTEST/DB.pm line 123.