CHAPTER 8 GETTING EVERYTHING UP AND RUNNING (Yahoo web space)
CHAPTER 8 GETTING EVERYTHING UP AND RUNNING 99 copies. For various reasons, proxies are becoming less popular nowadays, but larger organizations might still use them. You ll need to speak to your system administrator to see if your office uses a proxy. If it does, your administrator will most likely give you an address, which may take the form of a web address or an IP address. Once you have this information, follow these steps to configure the proxy: 1. Open a GNOME Terminal window (Applications . Accessories . Terminal). 2. At the prompt, type the following to open the bash.bashrc file in Gedit: sudo gedit /etc/bash.bashrc 3. Scroll to the bottom and add the following to the file: export http_proxy=http://username:password@address:port_number/ Replace username and password with your own details. If your proxy doesn t use usernames and passwords, simply leave them out (type http_proxy=http://address:port_number/). Replace address and port_number with the relevant details. 4. Add the line shown in step 3 to the /etc/username/.bashrc file in exactly the same way. Open the file in Gedit and add the line to the bottom of the file. 5. Save the file, and then log out and back in again. Tip Some ISPs run proxy servers, too. However, unlike proxies in offices, it s normally up to you whether you choose to use them. You might find that using a proxy speeds up your connection, especially when you access popular sites, so it s worth trying out. To find out if your ISP offers a proxy, visit its technical support web pages or phone its technical support line. Setting Up Online Software Repositories Although you installed Ubuntu from the CD-ROM supplied with this book, you should download any additional software from the online Ubuntu software repositories. It might take a few minutes for the software to download, but you re almost certainly guaranteed the latest version of the program in question. In addition, once the online software repositories are set up, your system will automatically upgrade any software you have to the newest supported versions. This makes for a more secure system, because many software updates fix critical bugs that can leave your system open to illicit interests. The installation, removal, and updating of software under Ubuntu is handled by the Synaptic Package Manager. This is a little like the Add/Remove Programs applet within the Windows Control Panel, except that it will automatically search for, download, and install any new software you require. As is the Linux way, there s no charge for new software. What more could you ask?
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