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Part: V Administering the System > Security, Boot Volumes, and Updating the Sys...

Chapter 17. Security, Boot Volumes, and Updating the System Software

IN THIS CHAPTER:

133 Enable or Disable the Firewall

134 Add or Remove Firewall Rules

135 Extract a Password from the Keychain

136 Secure Your Files with FileVault

137 Run Software Update

138 Ignore an Update

139 Schedule Automatic Software Updates

140 Select the Boot Volume at Boot Time

141 Boot from Different Disks Using Keystrokes

142 Change the Startup Disk

As the owner of a computer with a multiuser operating system that's connected to the Internet, you must sooner or later face the unpleasant fact that you are responsible for certain administrative duties that rest on the shoulders of every conscientious computer user. It's the age of viruses, worms, Trojans, and any number of malicious Internet denizens whose sole purpose in life is to make life miserable for the rest of us by breaking into unguarded systems and generally taking advantage of the goodwill of anybody who doesn't keep his system well cared for. Because most of the well-publicized attacks are almost exclusively directed at Windows computers, you can generally rest assured that compared to a Windows user, you've got it easy.


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