More practical: ["Become an SSH Ninja: SSH Tips and Tricks"](http://www.xensoft.com/content/become-ssh-ninja-ssh-tips-and-tricks)
If you're not already making login fast and secure by using key-pair authentication, and configuring hostname shortcuts and enabling special options like compression by writing your `~/.ssh/config` file, start today.
This is quite an old post, but just FYI, the link in your comment doesn't open because it has been moved here: https://xensoft.com/become-an-ssh-ninja-ssh-tips-and-tricks/
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Epistaxis@reddit
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