Figure 8-20. Customizing Firefox Privacy settings. in Font

Creating Code 39 Full ASCII in Font Figure 8-20. Customizing Firefox Privacy settings.

Figure 8-20. Customizing Firefox Privacy settings.
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CHAPTER 8 HOW TO SECURE YOUR COMPUTER
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In this chapter, you ve looked at what threats your system faces and how security holes can be exploited by malicious interests. You learned about measures you can take to protect your system, such as updating it online, using AppArmor to guard against errant applications, configuring the system s firewall, using encryption for e-mail and file privacy and authentication, installing an antivirus program, and customizing web browser security. We also discussed some commonsense rules you can follow to keep your system safe. In the next chapter, we move on to looking at how your Ubuntu system can be personalized and how to set up everything to suit your own preferences.
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CHAPTER 9
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Personalizing Ubuntu: Getting Everything Just Right
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If you ve read this book from 1, by this stage you no doubt have become comfortable with Ubuntu. You ve started to realize its advantages and are on the way to making it your OS of choice. But things might still not be quite right. For instance, you might find the color scheme is not to your taste. Or maybe your login picture is not entirely satisfactory. Maybe you simply want to get away from the default theme and stamp your own identity on the desktop. That s what this chapter is all about: personalizing Ubuntu so you re completely happy with your user experience. To do this, you will thoroughly examine the GNOME desktop and explore its potential. You ll also add some panache to that most important application, the web browser, so it fits perfectly into your desktop.
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Changing the Look and Feel
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Ubuntu is similar to Windows in many ways, but the developers behind it introduced improvements and tweaks that many claim make the software easier to use. For example, Ubuntu offers multiple virtual desktops (also called workspaces) long considered a very useful user interface feature that hasn t found favor in Microsoft s designs.1
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Note The virtual desktop feature also passed by Apple for a long time. However, it was included in OS X
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Leopard three years ago, in the form of Spaces.
The Ubuntu desktop also moves the Programs menu (known in Ubuntu as the Applications menu) to the top of the screen, leaving the whole width of the screen at the bottom to display taskbar buttons. This is very sensible, because the buttons don t look cramped when more than a handful of applications are open. However, if you re not satisfied with Ubuntu s out-of-the-box look and feel, almost every aspect of the desktop experience is available for tweaking.
1 The Desktops tool from Sysinternals can add similar but limited functionality to Windows; see http://technet.microsoft.com/en-us/sysinternals/cc817881.aspx.
CHAPTER 9 PERSONALIZING UBUNTU: GETTING EVERYTHING JUST RIGHT
You might be used to changing the desktop colors or wallpaper under Windows, but Ubuntu goes to extremes and lets you alter the look and feel of the entire desktop. Everything from the styling of the program windows to the desktop icons can be altered quickly and easily.
Altering the Theme
Ubuntu refers to the look of the desktop as a theme. Whether you opt to use GNOME or KDE as your main desktop, Ubuntu allows you to radically personalize the whole visual experience. Several themes come with the distribution, and you can download many more. Each lets you change the way the windows look, including the buttons, scrollbars, window decoration, and icon set (although some themes come without additional icons). There is also a small selection of assistive themes designed to improve the desktop experience for partially sighted users. However, unlike Windows themes, GNOME themes don t usually change the fonts used on the desktop, and the background will probably remain broadly the same. You can change these manually, as described in the Setting Font Preferences and Changing the Desktop Background sections a bit later in this chapter. The other difference is that GNOME has these facilities built in you won t need to buy or install extra software just to change the desktop appearance. To alter the theme, choose System Preferences Appearance. Then it s simply a matter of choosing a theme from the list on the Theme tab in the Appearance Preferences dialog box, as shown in Figure 9-1. Each selection has a small thumbnail to show you what the theme looks like. When you select one, it will be applied immediately to the desktop, including any open applications and windows. To get a really good idea of how the theme looks, you can open a Nautilus window by choosing Place Home Folder. This will give you a feel for how the icons, window decorations, and widgets such as scrollbars and menu bars look in a real-world context.
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