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Getting On the Net
If you have a home UNIX or Linux system, you’d probably like to connect to the Internet. The good news is that it’s possible, the bad news is that it can be, ah, a little tricky.The easiest way to get on the Net is with a connection that looks, to your UNIX system, like you’re on an office LAN, because UNIX systems generally are all set up for LANs right out of the box. If you have a broadband connection, and the connection uses a setup scheme called DHCP, you win. Plug your UNIX box’s Ethernet adapter into the broadband box, and the connection starts right up. This happy state of affairs most often occurs with cable modems.The other broadband connection scheme is known as PPPoE and requires that you or your computer send a username and a password to your ISP so it can be sure you’re actually the person plugging into its service and not one of the hundreds of other people who might live in your house. (What? Nobody lives in your house but you? Well, how’s the phone company supposed to know that?) Although setting up a PPPoE connection on your UNIX box is possible, it’s way more complex than we can describe here. Unless you have a geeky friend who can set it up for you, the path of least resistance is to run out and get a $30 router, plug that into your PPPoE connection, plug your UNIX box into the router that does nice simple DHCP, and configure the necessary passwords into the router using its handy Web page.Setting up a dialup connection isn’t as bad as PPPoE but is still more complex, and varies too much from one flavor of UNIX to another. Some versions of Linux have a nice Window-ish setup system, but failing that, you still need that geeky friend or a router with a dial-out modem.
