/tmp>env - DBI_DRIVER=NON::SENSE perl -MDBI -e 'DBI->connect("DBD:MariaDB","","",{PrintError=>1})' install_driver(NON::SENSE) failed: Can't locate DBD/NON/SENSE.pm in @INC (you may need to install the DBD::NON::SENSE module) (@INC contains: /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5 .) at (eval 5) line 3. Perhaps a module that DBD::NON::SENSE requires hasn't been fully installed at -e line 1.