How to Fix: MacOS Sierra Upgrade Breaking SSH Keys
The MacOS Sierra upgrade breaking SSH keys After I upgraded MacOS Sierra, my SSH key access to Ubuntu servers broke. I learned that my older ssh-dss (DSA) keys were no longer secure and that I needed to replace them with...
Jeff Reifman / October 1, 2016
How to Secure Your Server: disabling root login and changing the SSH port
This AWS Tutorial for WordPress can also help you secure your server. The instructions are similar for any Linux system. Related Links: Top 20 SSH Best Practices
Jeff Reifman / March 21, 2013