If you use a dial-up modem to access the Internet, you’ll have to do some manual configuration to tell Ubuntu how to contact your ISP. This is done using the GNOME PPP application. You’ll first have to manually install the GNOME PPP application using the Synaptic Package Manager before you can use it to connect to your ISP.

Just start Synaptic, search for the GNOME PPP package, mark it for installation, then apply the changes. After installing the GNOME PPP package, follow these steps to configure a PPP session to connect to your ISP:

1. Start the GNOME PPP dialog box by selecting Applications -> Internet -> GNOME PPP from the Panel menu. The main GNOME PPP dialog box.

2. Click the Setup button at the bottom of the dialog box. This opens the Setup dialog box, where you can configure you modem settings.

3. Configure your modem settings in the Modem tab. You must select which port your modem uses to communicate. If Ubuntu automatically detects your modem, it assigns it to the special port /dev/modem. If that doesn’t work, Ubuntu uses /dev/ttyS0 for COM1, /dev/ttyS1 for COM2, and so on.

4. Click the Networking tab to set your IP address information. If your ISP dynamically assigns an IP address to your workstation, select the Dynamic IP Address radio button. If you must specify a static IP address, select the Static IP Address radio button and enter your IP address information in the text boxes. If your ISP uses a static address, you’ll also need to configure the DNS server to use for the network.

5. Click the Options tab to set additional features for the modem connection. You can set the Modem Connection icon to minimize when the connection is established or dock itself on the panel. You can also choose advanced connection features from this page, such as having the modem reconnect if the connection drops.

6. Click the OK button to save the settings.

7. Back in the main GNOME PPP dialog box, enter the information needed to contact your ISP account. You must provide the phone number, plus any special prefixes (such as a 9 to get an outside line). Enter the userID and password provided by your ISP and select the check box if you want GNOME PPP to remember your password.

8. Click the Connect button to initiate the connection to the ISP.

Once you’ve activated your dial-up modem, Ubuntu will attempt to use it to access the Internet via your ISP whenever a network request is made.

Source of Information : Wiley Ubuntu Linux Secrets


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