Check SSL Certificate Fingerprint from Command Line | It is possible to check a fingerprint of an SSL cert from the command line with openssl. In light of recent SHA1 deprecation in the news, this tip should be handy!
Analyze SSL Configurations with SSLyze | The command line python app sslyze is an awesome tool to analyze SSL / TLS configurations for a variety of services. This is a great tool to have in your stash.
Configure nginx for PFS and ssllabs.com A Rating | Here is a quick configuration for nginx to achieve an ‘A’ score on ssllabs.com. This example is from Debian Wheezy using OpenSSL 1.0.1e and nginx 1.2.1 and also enables Perfect Forward Secrecy as added security against the NSA or other snooping!