[~]$ perlbrew Usage: perlbrew command syntax: perlbrew [options] [arguments] Commands: [~]$ perlbrew list [~]$ perlbrew available ERROR: Unable to retrieve the list of perls. [~]$ [~]$ perlbrew install perl-5.28.1 Fetching perl 5.28.1 as ~/perl5/perlbrew/dists/perl-5.28.1.tar.gz Download http://www.cpan.org/src/5.0/perl-5.28.1.tar.gz to ~/perl5/perlbrew/dists/perl-5.28.1.tar.gz Installing ~/perl5/perlbrew/build/perl-5.28.1/perl-5.28.1 into ~/perl5/perlbrew/perls/perl-5.28.1 This could take a while. You can run the following command on another shell to track the status: tail -f ~/perl5/perlbrew/build.perl-5.28.1.log Installation process failed. To spot any issues, check . . . You might also want to try upgrading patchperl before trying again: perlbrew install-patchperl Generally, if you need to install a perl distribution known to have minor test failures, do one of these commands to avoid seeing this message: perlbrew --notest install perl-5.28.1 perlbrew --force install perl-5.28.1 [~]$ perlbrew install-patchperl ERROR: Failed to retrieve patchperl executable. [~]$