https://www.backblaze.com/b2/docs/b2_authorize_account.html
To install Backblaze::B2, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Backblaze::B2
CPAN shell
perl -MCPAN -e shell install Backblaze::B2
For more information on module installation, please visit the detailed CPAN module installation guide.