MAC OS X UNIX Toolbox

Explore a ton of powerful Mac OS X UNIX commands This handy, compact guide teaches you to use Mac OS X UNIXsystems as the experts do: from the command line. Try out more than1,000 commands to find and get software, monitor system health andsecurity, and access network resources. Apply the skills you learnfrom this book to troubleshoot networks, lock down security, anduncover almost anything you care to know about your Mac OS Xsystem. Expand your Mac OS X UNIX expertise in these and otherareas: Using the shell Finding online software Working with files Playing with music and images Administering file systems Backing up data Checking and managing running processes Accessing network resources Handling remote system administration Locking down security

Auteur
Christopher Negus served for eight years on development teams for the UNIX operating system at the AT&T labs, where UNIX was created and developed. He also worked with Novell on UNIX and UnixWare development. Chris is the author of the bestselling Fedora and Red Hat Linux Bible series, Linux Toys II, Linux Troubleshooting Bible, and Linux Bible 2008 Edition. He now works as a trainer for Red Hat Enterprise Linux, and is RHEL certified. Francois Caen hosts and manages business application infrastructures through his company Turbosphere LLC. As an open-source advocate, he has lectured on OSS network management and Internet services, and served as president of the Tacoma Linux User Group. He is a Red Hat Certified Engineer (RHCE).

Thomas Myer is a consultant, speaker, and writer. He has become closely involved with various aspects of Mac OS X and iPhone programming. He has switched his entire web development business to Mac-based systems.

Texte du rabat
Explore a ton of powerful Mac OS X UNIX commands This handy, compact guide teaches you to use Mac OS X UNIX systems as the experts do: from the command line. Try out more than 1,000 commands to find and get software, monitor system health and security, and access network resources. Apply the skills you learn from this book to troubleshoot networks, lock down security, and uncover almost anything you care to know about your Mac OS X system.

Expand your Mac OS X UNIX expertise in these and other areas:

• Using the shell

• Finding online software

• Working with files

• Playing with music and images

• Administering file systems

• Backing up data

• Checking and managing running processes

• Accessing network resources

• Handling remote system administration

• Locking down security

Contenu
Introduction xix Chapter 1: Starting with UNIX on Mac OS X 1

About FreeBSD, NetBSD, and OpenBSD 2

Finding Mac OS X Resources 4

Focusing on Mac OS X Commands 4

Finding Commands 5

Command Reference Information in UNIX 6

Summary 9

Chapter 2: New to Mac OS X? 11

What Is Mac OS X UNIX? 11

Finding Terminal and Utilities 12

Directory Structure 16

Your Home Directory 18

Spotlight 19

Getting and Using Fink 21

Mounting and Unmounting Drives 23

Learning to Love Launchd 25

Summary 25

Chapter 3: Using the Shell 27

Terminal Windows and Shell Access 27

Using the Shell 28

Using bash History 29

Using Command-Line Completion 30

Redirecting stdin and stdout 31

Using Aliases 33

Tailing Files 34

Acquiring Super User Power 34

Using Environment Variables 35

Creating Simple Shell Scripts 36

Editing and Running a Script 36

Adding Content to Your Script 37

Summary 41

Chapter 4: Working with Files 43

Understanding File Types 43

Using Regular Files 43

Using Directories 44

Using Symbolic and Hard Links 45

Using Device Files 46

Using Named Pipes and Sockets 46

Setting File and Directory Permissions 47

Changing Permissions with chmod 48

Setting the umask 51

Changing Ownership 51

Traversing the File System 51

Copying Files 53

Searching for Files 55

Generating the locate Database 55

Finding Files with locate 56

Locating Files with find 57

Using Other Commands to Find Files 59

Finding Out More About Files 59

Listing Files 59

Verifying Files 60

Summary 62

Chapter 5: Manipulating Text 63

Matching Text with Regular Expressions 63

Editing Text Files 64

Using the Pico and Nano Editors 65

Listing, Sorting, and Changing Text 67

Listing Text Files 67

Paging Through Text 68

Paginating Text Files with pr 69

Searching for Text with grep 69

Replacing Text with sed 71

Translating or Removing Characters with tr 73

Checking Differences Between Two Files with diff 73

Using awk and cut to Process Columns 75

Summary 76

Chapter 6: Advanced Scripting 77

Shell Scripting on Mac OS X 77

Creating a Basic Shell Script 78

Adding Command-Line Arguments 80

Things to Watch Out For 83

Using the Script Command 83

AppleScripting 84

Working with the Open Command 87

Summary 90

Chapter 7: Administering File Systems 91

Understanding File System Basics 91

Setting Up the Disk Initially 92

Checking Your Disk Setup 92

Understanding File System Types 92

Creating and Managing File Systems 94

Partitioning Hard Disks 94

A Better Option: Nondestructive Partitioning 95

Mounting and Unmounting File Systems 96

Checking File Systems 97

Finding Out About File System Use 99

Summary 101

Chapter 8: Backups and Removable Media 103

Backing Up Data to Compressed Archives 103

Creating Backup Archives with tar 103

Using Compression Tools 105

Listing, Joining, and Adding Files to tar Archives 107

Backing Up over a Network 107

Backing Up tar Archives over ssh 108

Backing Up Files with rsync 109

Backing Up to CD or DVD 110

Working with Time Machine and Time Capsule 111

Summary 112

Chapter 9: Checking and Running Processes 115

Listing Active Processes 116

Viewing Active Processes with ps 116

Watching Active Processes with top 121

Finding and Controlling Processes 123

Using grep and pgrep to Find Processes 123

Using fuser to Find Processes 124

Summary 131

Chapter 10: Managing the System 133

Monitoring Resources 133

Monitoring Memory Use 134

Monitoring CPU Usage 135

Monitoring Storage Devices 136

Mastering Time 137

Changing Time Zone 137

Displaying and Setting Time and Date 137

Using Network Time Protocol to Set Date/Time 139

Checking Uptime 139

Starting and Stopping Your System 140

Straight to the Kernel 141

Summary 141

Chapter 11: Managing Network Connections 143

Configuring Network Interfaces 143

Managing Network Interface Cards 144

Managing Network Connections 147

Starting and Stopping Network Connections 148

Starting and Stopping Network Services 149

Checking Name Resolution 149

Troubleshooting Network Problems 151

Checking Connectivity to a Host 152

Checking Address Resolution Protocol (ARP) 153 Tracing Routes to Hosts 154<...