Chapter 5 (Web server setup) . Getting on the Internet 189
Chapter 5 . Getting on the Internet 189 After you ve gathered this information, you re ready to set up your connection to the Internet. To configure Linux to connect to your ISP, read on. Setting Up Dial-Up PPP PPP is used to create IP connections over serial lines. Most often, the serial connection is established over a modem; however, it also works over serial cables (null modem cables) or digital lines (including ISDN and DSL). Although one side must dial out and the other side must receive the call to create the PPP connection over a modem, after the connection is established, information can flow in both directions. For the sake of clarity, however, I refer to the computer placing the call as the client and the computer receiving the call as the server. To simplify the process of configuring PPP (and other network interfaces), most Linux systems include graphical tools to configure dial-up. Two such tools are: . Internet Configuration Wizard Many Linux systems come with wizards that step you through setting up dial-up connections. For example, from the main desktop menu in Fedora and RHEL systems, choose Applications. System Tools.Internet Configuration Wizard. The Select Device Type window that appears enables you to configure and test your dial-up PPP connection. . KDE PPP (KPPP) Window From the KDE desktop, select Internet.KPPP, or from a Terminal window run the kppp command. From the KPPP window you can set up and launch a PPP dial-up connection. Before you begin either of these procedures, physically connect your modem to your computer, plug it in, and connect it to your telephone line. If you have an internal modem, you will probably see a telephone port on the back of your computer to which you need to connect. If your modem isn t detected, you can reboot your computer or run wvdialconf create (as described later in this chapter) to have it detected. Creating a Dial-Up Connection with the Internet Configuration Wizard If you are using a Fedora or RHEL system, you could use the Internet Configuration Wizard to set up dial-up networking. Here s how: 1. Choose Applications.System Tools.Internet Configuration Wizard from the main menu. (Type the root password, if prompted.) A Select Device Type window appears (see Figure 5-7). 2. Select Modem connection and click Forward. The wizard searches for a modem and then the Select Modem window appears.
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