or download this
Can't locate Script/Singleton.pm in @INC (you may need to install the
+Script::Singleton module) (@INC contains: /home/demo/pullWorkload/scp
+LRSIControllerDir/toys/ /etc/perl /usr/local/lib/x86_64-linux-gnu/per
+l/5.30.0 /usr/local/share/perl/5.30.0 /usr/lib/x86_64-linux-gnu/perl5
+/5.30 /usr/share/perl5 /usr/lib/x86_64-linux-gnu/perl/5.30 /usr/share
+/perl/5.30 /usr/local/lib/site_perl /usr/lib/x86_64-linux-gnu/perl-ba
+se) at ./testMe.perl line 6.