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Remote Login With SSH

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Remote Login With SSHConnecting with SSH is really easy. It’s what you do once you get connected that can be tricky. When you connect to another machine with SSH it’s just like you’re sitting at that machine running a Terminal session.That gives you a lot of power, and raises the potential for disaster. If you haven’t worked through Murphy’s other Terminal posts you might want to check them out before getting started.

We’re going to show you how to enable an account on your Mac for SSH access. Once that’s done you can access that Mac from other computers running just about any OS.

A great thing about SSH: It works well over slow connections. It’s not like a VNC session where you’re left wondering if the screen has updated or you’re scrolling around a 23″ display on a 15″ screen.

More importantly, SSH is secure. In fact, that’s what it’s called, Secure Shell. Your communications are conducted through an encrypted session and your passwords are always protected.

Once you have SSH up and running we’ll show you some other tricks, starting tomorrow. We’ll cover how to initiate an SSH session without using a password. This comes in handy if you have a frequent need for SSH or you have scripts that rely on its functionality.

You can connect from a PC too. Download and run the Putty exe. You’ll be able to access a Mac enabled for Remote Login.

What about connecting to your home Mac from Starbucks? You can do it, but if your home network is behind something like a Linksys or Netgear router you’ll need to forward port 22 to the machine running the SSH server. If you’re comfortable using the Terminal you’re more than capable of setting this up! For more details on port forwarding see Murphy’s post covering VNC.

If you’re not comfortable using the Terminal or you’re brand new to it – make sure you check out Murphy’s warning about the damage you can do.

When you’re up to speed on Terminal watch the screencast to get started with SSH.

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7 comments to “Remote Login With SSH”

  1. Thanks very much, I have been trying to get this to work for ages. Nobody else seems to mention Port forwarding, this really helped me.

  2. SSH works great for me, thanks. But, if I have the option, why not go all the way with Apple Remote Desktop (ARD)? That’s full Mac access, not just the shell.

  3. awsome, thanks! great tips.
    I have secretly set up ARD for every one of my family members and can monitor them without them knowing

  4. Thank you for the SSH info.

    iworker, there’s always someone like you around. Taking advantage of people who actually trust you.

    I have ARD set up at home and have my family’s computers configured. They all know that I can watch and they all know if I log into their systems.

    Trust is the most important part of networking. You want a “Secure Connection,” your family wants a “secure” place to live. If you’re ‘spying’ on them then your network is not secure, from YOU.

    If you come back and say, “Well, I’m their dad so I have a right to watch what they do.” The fact that you set up a spy network shows the trust is breached from the beginning, by you.

    Try implementing trust and security from the beginning. Start with being open about what your roll is in the network, your ability to watch them and, let them know when you do.

    Then, if you really work in the industry, do the same at the office. As an IT Manager, I insist my staff be supportive, respectful and professional.

    Employees, or family members, treated as suspects in crime will lose respect for those abusing the technology.

    Spys are who we are trying to keep out of our systems. They can be across the globe, or across the dinner table.

  5. ITPro is so right on this one, well put!

  6. Is there anyway to switch on remote login/sharing via terminal?

  7. Oh thanks for this tip by the way :)

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