There is an ongoing outage on the primary CPAN mirror. It is possible to work around the issue by using MetaCPAN as a mirror.
clear_graph
get rid of any existing data
Module Install Instructions
To install GOBO, copy and paste the appropriate command in to your terminal.
cpanm GOBO
perl -MCPAN -e shell
install GOBO
For more information on module installation, please visit the detailed CPAN module installation guide.