Subject: | ssh-keygen: illegal option -- m |
ssh-keygen on CentOS 6 apparently does not implement the -m option. See http://www.cpantesters.org/cpan/report/827281f8-7355-11e9-b263-8b7f1f24ea8f for a sample fail report. openssl on this system is version 1.0.1e-fips.