SSL工具
der2pem FILES...
remote-cert status.github.com | show-cert
create-cert example.com "My Organization" > cert_and_key.pem
ruby doctor.rb example.com:443
doctor.rb样本输出：
/Users/mislav/.rbenv/versions/2.0.0-p247/bin/ruby (2.0.0-p247)
OpenSSL 1.0.1e 11 Feb 2013: /usr/local/etc/openssl
SSL_CERT_DIR=""
SSL_CERT_FILE=""
HEAD https://status.github.com:443
OpenSSL::SSL::SSLError: SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed
The server presented a ce
