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As they say, no Mac is an island, and because this Mac of yours is likely to be surrounded by other devices, you should know how to configure it to communicate with those other devices. This is done through the Sharing System Preference, which we look at now. System Preferences and Sharing. First thing, if you don't like the name of your computer, change it at the top of this window. So, in this case, it says 15-inch MBP for my MacBook Pro but I can also change this to Chris' Mac, hit Return, and that changes the name of my Mac as it's seen through the network.
Now, the first option is DVD or CD Sharing. If you have a MacBook Air or new Mac mini that doesn't have a media drive, how are you supposed to install software from DVDs or CDs? You do it using this option. When you turn it on, on another computer on your network, you will be able to see disks inserted into this Mac's media drive. So for example if I have the Mac Pro on this network and I turn on DVD or CD Sharing there, I can then access those disks from this computer and install software or copy information from those disks to this Mac.
Next up is Screen Sharing. We look at Screen Sharing separately in another movie, so check out that movie for that information. Also, File Sharing is in another movie as well. We will move down to Printer Sharing and this is where you can share a printer that's connected to your Mac with any other computers that happen to be on your local network. So I will flip this on and now I can choose the printers that I'd like to share from this Mac out to the network. By default, everyone has privileges to print to the selected printer.
Then there is Scanner Sharing. This is very much like Printer Sharing. Idea is that if you have a scanner connected to your Mac, you can turn this on and then other computers on your network can use that scanner as if it were connected to their computer. Web Sharing is for if you want to set up a website on your computer. That's beyond what we are going to do in this course. Just know this option is here. If you want to set up your Mac as a server for your website, this is the option to flip on. Remote Login is an option that allows people using other computers on the Internet to get into the contents of this computer using something called SSH.
This is a secure way of getting to the computer over the internet. To use it, just click the Plus button, add the users you like, and then they can access that computer. Remote Management is a little bit like Screen Sharing which we look at elsewhere in this course. This allows other people across the internet to see your Mac screen as well as control it. Again, same idea. Click the Plus button and decide who you're going to allow to do this. Remote Apple Events is a similar idea. The idea here is that people across the internet can trigger events on your Mac using Apple Events.
Again, Plus button allow users and they can do it. Xgrid Sharing is a very advanced preference. This is the ability to gang together multiple Macs, so that they act as one supercomputer. Unless you're doing high-end video or audio work, this would be an option that you are unlikely to use. The next option, Internet Sharing, is something that you can use and here's an example of how you might use it. Suppose that you are in a hotel and you've got an Ethernet connection. You have plugged the Ethernet cable into your Mac. Well, your co-worker is staying in the next hotel room over and they don't want to pay for this expensive connection.
What they'd rather do is leech on your connection, so that they can use the internet connection as well. You want to save the boss some money, so, hey, why not? So what you are going to do is share your connection from Ethernet, then you are going to choose to share your connection over Wi-Fi. Then turn on Internet Sharing. So you really want to do that. It tells you that Internet Sharing is on. Now your computer is seen as a wireless hotspot to other computers around you. So you have one connection that you're paying for, that's your Ethernet connection, but now your Mac is a wireless router and other people can use that connection to use your ethernet connection.
It's quite possible that there are more legitimate reasons for using Internet Sharing but honestly this is what I use it for. So check it out next time you are staying in a hotel. And finally, the very last option is Bluetooth Sharing and this works a lot like File Sharing. When you turn this on, then you can share files between Bluetooth devices. With normal File Sharing you'll share files over the network. If you can't set up a network, you can rely instead on Bluetooth Sharing and this is a wireless form of sharing and you can share over a small distance, say 30 feet or so.
It's a slower way to transfer files. But if you have two computers and they both have Bluetooth turned on, this is another way to share files. That's the basics of sharing under Lion. Elsewhere in this chapter, we're going to look at File Sharing, Screen Sharing, and AirDrop.
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