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More Linux Remote Networking Tips and Tricks (Part 2)

Last week we looked at some good ways to use OpenSSH and SSHFS for easy file sharing on the LAN. Today we're going to review how to use encryption keys instead of password logins. Using key pairs is less flexible but more secure because it's like using a key lock instead of a combination lock. There is no way to brute-force a password, you don't have to give away system passwords, and only users who possess the key can get in.

With OpenSSH the machine you are logging into is always the server, because the OpenSSH daemon needs to be running and listening for connection attempts. The PC you are logging in from is the client. Again, like in Part 1, this is for LANs only because remote access over the Internet is more complicated to set up. We'll do that next in Part 3...

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