Linux Bible (Bible 9th Revised edition)

Linux Bible (Bible 9th Revised edition)

By: Christopher Negus (author)Paperback

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Description

The industry favorite Linux guide, updated for Red Hat Enterprise Linux 7 and the cloud Linux Bible, 9th Edition is the ultimate hands-on Linux user guide, whether you're a true beginner or a more advanced user navigating recent changes. This updated ninth edition covers the latest versions of Red Hat Enterprise Linux 7 (RHEL 7), Fedora 21, and Ubuntu 14.04 LTS, and includes new information on cloud computing and development with guidance on Openstack and Cloudforms. With a focus on RHEL 7, this practical guide gets you up to speed quickly on the new enhancements for enterprise-quality file systems, the new boot process and services management, firewalld, and the GNOME 3 desktop. Written by a Red Hat expert, this book provides the clear explanations and step-by-step instructions that demystify Linux and bring the new features seamlessly into your workflow. This useful guide assumes a base of little or no Linux knowledge, and takes you step by step through what you need to know to get the job done. * Get Linux up and running quickly * Master basic operations and tackle more advanced tasks * Get up to date on the recent changes to Linux server system management * Bring Linux to the cloud using Openstack and Cloudforms Linux Bible, 9th Edition is the one resource you need, and provides the hands-on training that gets you on track in a flash.

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About Author

Christopher Negus has been teaching and writing about Linux and UNIX for more than 25 years. He is an instructor and principal technical writer for Red Hat, Inc., and the author of dozens of Linux and UNIX books, including Red Hat Linux Bible (all editions), CentOS Bible, Fedora Bible, Ubuntu Linux Toolbox, Linux Troubleshooting Bible, Linux Toys,and Linux Toys II.

Contents

Acknowledgments xi Introduction xxxiii Part I: Getting Started 1 Chapter 1: Starting with Linux 3 Understanding What Linux Is 4 Understanding How Linux Differs from Other Operating Systems 6 Exploring Linux History 6 Free-flowing UNIX culture at Bell Labs 7 Commercialized UNIX 9 Berkeley Software Distribution arrives 9 UNIX Laboratory and commercialization 10 GNU transitions UNIX to freedom 11 BSD loses some steam 13 Linus builds the missing piece 13 OSI open source definition 14 Understanding How Linux Distributions Emerged 16 Choosing a Red Hat distribution 17 Using Red Hat Enterprise Linux 17 Using Fedora 18 Choosing Ubuntu or another Debian distribution 19 Finding Professional Opportunities with Linux Today 20 Understanding how companies make money with Linux 21 Becoming Red Hat certified 22 RHCSA topics 23 RHCE topics 24 Summary 26 Chapter 2: Creating the Perfect Linux Desktop 29 Understanding Linux Desktop Technology 30 Starting with the Fedora GNOME Desktop Live image 32 Using the GNOME 3 Desktop 33 After the computer boots up 33 Navigating with the mouse 34 Navigating with the keyboard 38 Setting up the GNOME 3 desktop 41 Extending the GNOME 3 desktop 42 Using GNOME shell extensions 42 Using the GNOME Tweak Tool 44 Starting with desktop applications 45 Managing files and folders with Nautilus 45 Installing and managing additional software 46 Playing music with Rhythmbox 48 Stopping the GNOME 3 desktop 49 Using the GNOME 2 Desktop 49 Using the Metacity window manager 50 Changing GNOME s appearance 52 Using the GNOME panels 53 Using the Applications and System menus 54 Adding an applet 54 Adding another panel 55 Adding an application launcher 55 Adding a drawer 56 Changing panel properties 57 Adding 3D effects with AIGLX 58 Summary 60 Exercises 61 Part II: Becoming a Linux Power User 63 Chapter 3: Using the Shell 65 About Shells and Terminal Windows 66 Using the shell prompt 67 Using a terminal window 68 Using virtual consoles 69 Choosing Your Shell 69 Running Commands 70 Understanding command syntax 71 Locating commands 74 Recalling Commands Using Command History 76 Command-line editing 77 Command-line completion 79 Command-line recall 80 Connecting and Expanding Commands 82 Piping between commands 82 Sequential commands 83 Background commands 83 Expanding commands 84 Expanding arithmetic expressions 84 Expanding variables 85 Using Shell Variables 85 Creating and using aliases 87 Exiting the shell 88 Creating Your Shell Environment 88 Configuring your shell 88 Setting your prompt 89 Adding environment variables 91 Getting Information about Commands 92 Summary 94 Exercises 95 Chapter 4: Moving around the Filesystem 97 Using Basic Filesystem Commands 100 Using Metacharacters and Operators 102 Using file-matching metacharacters 102 Using file-redirection metacharacters 103 Using brace expansion characters 105 Listing Files and Directories 105 Understanding File Permissions and Ownership 109 Changing permissions with chmod (numbers) 111 Changing permissions with chmod (letters) 111 Setting default file permission with umask 112 Changing file ownership 113 Moving, Copying, and Removing Files 114 Summary 115 Exercises 115 Chapter 5: Working with Text Files 117 Editing Files with vim and vi 117 Starting with vi 119 Adding text 119 Moving around in the text 120 Deleting, copying, and changing text 121 Pasting (putting) text 122 Repeating commands 122 Exiting vi 122 Skipping around in the file 123 Searching for text 124 Using ex mode 124 Learning more about vi and vim 124 Finding Files 125 Using locate to find files by name 125 Searching for files with find 127 Finding files by name 127 Finding files by size 128 Finding files by user 128 Finding files by permission 129 Finding files by date and time 130 Using not and or when finding files 131 Finding files and executing commands 131 Searching in files with grep 132 Summary 134 Exercises 134 Chapter 6: Managing Running Processes 137 Understanding Processes 137 Listing Processes 138 Listing processes with ps 138 Listing and changing processes with top 140 Listing processes with System Monitor 142 Managing Background and Foreground Processes 144 Starting background processes 144 Using foreground and background commands 145 Killing and Renicing Processes 146 Killing processes with kill and killall 146 Using kill to signal processes by PID 147 Using killall to signal processes by name 148 Setting processor priority with nice and renice 148 Limiting Processes with cgroups 149 Summary 151 Exercises 151 Chapter 7: Writing Simple Shell Scripts 153 Understanding Shell Scripts 153 Executing and debugging shell scripts 154 Understanding shell variables 154 Special shell positional parameters 156 Reading in parameters 157 Parameter expansion in bash 157 Performing arithmetic in shell scripts 158 Using programming constructs in shell scripts 159 The if then statements 159 The case command 162 The for do loop 163 The while do and until do loops 164 Trying some useful text manipulation programs 164 The general regular expression parser 165 Remove sections of lines of text (cut) 165 Translate or delete characters (tr) 165 The stream editor (sed) 166 Using simple shell scripts 167 Telephone list 167 Backup script 168 Summary 168 Exercises 169 Part III: Becoming a Linux System Administrator 171 Chapter 8: Learning System Administration 173 Understanding System Administration 173 Using Graphical Administration Tools 175 Using system-confi g-* tools 175 Using browser-based admin tools 177 Using the root user account 177 Becoming root from the shell (su command) 178 Allowing administrative access via the GUI 180 Gaining administrative access with sudo 180 Exploring Administrative Commands, Configuration Files, and Log Files 182 Administrative commands 182 Administrative configuration files 183 Administrative log files and systemd journal 188 Using journalctl to view the systemd journal 188 Managing log messages with rsyslogd 189 Using Other Administrative Accounts 189 Checking and Confi guring Hardware 190 Checking your hardware 191 Managing removable hardware 194 Working with loadable modules 197 Listing loaded modules 197 Loading modules 198 Removing modules 198 Summary 199 Exercises 199 Chapter 9: Installing Linux x 201 Choosing a Computer 202 Installing Fedora from Live media 203 Installing Red Hat Enterprise Linux from Installation Media 208 Understanding Cloud-Based Installations 211 Installing Linux in the Enterprise 211 Exploring Common Installation Topics 213 Upgrading or installing from scratch 213 Dual booting 214 Installing Linux to run virtually 216 Using installation boot options 216 Boot options for disabling features 217 Boot options for video problems 217 Boot options for special installation types 218 Boot options for kickstarts and remote repositories 218 Miscellaneous boot options 219 Using specialized storage 219 Partitioning hard drives 220 Understanding different partition types 221 Reasons for different partitioning schemes 222 Tips for creating partitions 222 Using the GRUB boot loader 224 Using GRUB Legacy (version 1) 225 Using GRUB 2 229 Summary 231 Exercises 231 Chapter 10: Getting and Managing Software 233 Managing Software on the Desktop 233 Going Beyond the Software Window 235 Understanding Linux RPM and DEB Software Packaging 236 Understanding DEB packaging 237 Understanding RPM packaging 238 What is in an RPM? 238 Where do RPMs come from? 239 Installing RPMs 239 Managing RPM Packages with YUM 240 Understanding how yum works 241 1 Checking /etc/yumconf 242 2 Checking /etc/sysconfi g/rhn/up2date (RHEL only) 242 3 Checking /etc/yumreposd/*repo files 243 4 Downloading RPM packages and metadata from a YUM repository 243 5 RPM packages installed to Linux fi le system 244 6 Store YUM repository metadata to local RPM database 244 Using YUM with third-party software repositories 244 Managing software with the YUM command 245 Searching for packages 246 Installing and removing packages 247 Updating packages 249 Updating groups of packages 250 Maintaining your RPM package database and cache 251 Downloading RPMs from a yum repository 252 Installing, Querying, and Verifying Software with the rpm Command 252 Installing and removing packages with rpm 253 Querying rpm information 254 Verifying RPM packages 255 Managing Software in the Enterprise 256 Summary 257 Exercises 258 Chapter 11: Managing User Accounts 259 Creating User Accounts 259 Adding users with useradd 262 Setting user defaults 265 Modifying users with usermod 266 Deleting users with userdel 268 Understanding Group Accounts 268 Using group accounts 269 Creating group accounts 270 Managing Users in the Enterprise 270 Setting permissions with Access Control Lists 271 Setting ACLs with setfacl 272 Setting default ACLs 273 Enabling ACLs 274 Adding directories for users to collaborate 276 Creating group collaboration directories (set GID bit) 276 Creating restricted deletion directories (sticky bit) 278 Centralizing User Accounts 278 Using the Users window 279 Using the Authentication Configuration window 279 Summary 281 Exercises 281 Chapter 12: Managing Disks and Filesystems 283 Understanding Disk Storage 283 Partitioning Hard Disks 285 Understanding partition tables 286 Viewing disk partitions 286 Creating a single-partition disk 288 Creating a multiple-partition disk 292 Using Logical Volume Management Partitions 295 Checking an existing LVM 296 Creating LVM logical volumes 299 Growing LVM logical volumes 300 Mounting Filesystems 301 Supported filesystems 301 Enabling swap areas 303 Disabling a swap area 304 Using the fstab file to define mountable file systems 305 Using the mount command to mount file systems 307 Mounting a disk image in loopback 308 Using the umount command 309 Using the mkfs Command to Create a Filesystem 310 Summary 311 Exercises 311 Part IV: Becoming a Linux Server Administrator 313 CHAPTER 13: Understanding Server Administration 315 Starting with Server Administration 316 Step 1: Install the server 316 Step 2: Configure the server 318 Using configuration files 318 Checking the default configuration 319 Step 3: Start the server 319 Step 4: Secure the server 321 Password protection 321 Firewalls 321 TCP Wrappers 322 SELinux 322 Security settings in configuration files 322 Step 5: Monitor the server 322 Configure logging 322 Run system activity reports 323 Keep system software up to date 323 Check the filesystem for signs of crackers 323 Managing Remote Access with the Secure Shell Service 323 Starting the openssh-server service 324 Using SSH client tools 326 Using ssh for remote login 326 Using ssh for remote execution 328 Copying files between systems with scp and rsync 329 Interactive copying with sftp 332 Using key-based (passwordless) authentication 332 Configuring System Logging 334 Enabling system logging with rsyslog 334 Understanding the rsyslogconf file 335 Understanding the messages log file 337 Setting up and using a loghost with rsyslogd 337 Watching logs with logwatch 339 Checking System Resources with sar 340 Checking System Space 341 Displaying system space with df 342 Checking disk usage with du 342 Finding disk consumption with find 343 Managing Servers in the Enterprise 344 Summary 344 Exercises 345 Chapter 14: Administering Networking 347 Configuring Networking for Desktops 348 Checking your network interfaces 350 Checking your network from NetworkManager 350 Checking your network from the command line 352 Configuring network interfaces 355 Setting IP addresses manually 355 Setting IP address aliases 356 Setting routes 357 Configuring a network proxy connection 358 Configuring Networking from the Command Line 360 Editing a connection 360 Understanding networking configuration files 362 Network interface files 363 Other networking files 365 Setting alias network interfaces 367 Setting up Ethernet channel bonding 368 Setting custom routes 370 Configuring Networking in the Enterprise 371 Configuring Linux as a router 371 Configuring Linux as a DHCP server 372 Configuring Linux as a DNS server 372 Configuring Linux as a proxy server 373 Summary 374 Exercises 374 Chapter 15: Starting and Stopping Services 377 Understanding the Initialization Daemon (init or systemd) 378 Understanding the classic init daemons 380 Understanding the Upstart init daemon 386 Learning Upstart init daemon basics 386 Learning Upstart s backward compatibility to SysVinit 388 Understanding systemd initialization 392 Learning systemd basics 392 Learning systemd s backward compatibility to SysVinit 397 Checking the Status of Services 399 Checking services for SysVinit systems 400 Checking services for Upstart systems 401 Checking services for systemd systems 402 Stopping and Starting Services 403 Stopping and starting SysVinit services 403 Stopping and starting Upstart services 405 Stopping and starting systemd services 406 Stopping a service with systemd 406 Starting a service with systemd 406 Restarting a service with systemd 407 Reloading a service with systemd 407 Enabling Persistent Services 408 Configuring persistent services for SysVinit 408 Configuring persistent services for Upstart 409 Configuring persistent services for systemd 410 Enabling a service with systemd 410 Disabling a service with systemd 411 Configuring a Default Runlevel or Target Unit 412 Configuring the SysVinit default runlevel 412 Configuring the default runlevel in Upstart 413 Configuring the default target unit for systemd 413 Adding New or Customized Services 414 Adding new services to SysVinit 414 Step 1: Create a new or customized service script file 415 Step 2: Add the service script to /etc/rcd/initd 416 Step 3: Add the service to runlevel directories 417 Adding new services to Upstart 417 Adding new services to systemd 419 Step 1: Create a new or customized service configuration unit file 419 Step 2: Move the service configuration unit file 420 Step 3: Add the service to the Wants directory 420 Summary 422 Exercises 422 Chapter 16: Configuring a Print Server r 423 Common UNIX Printing System 423 Setting Up Printers 425 Adding a printer automatically 425 Using web-based CUPS administration 426 Using the Print Settings window 428 Configuring local printers with the Print Settings window 429 Configuring remote printers 432 Adding a remote CUPS printer 433 Adding a remote UNIX (LDP/LPR) printer 433 Adding a Windows (SMB) printer 434 Working with CUPS Printing 435 Configuring the CUPS server (cupsdconf) 436 Starting the CUPS server 437 Configuring CUPS printer options manually 438 Using Printing Commands 439 Printing with lpr 440 Listing status with lpc 440 Removing print jobs with lprm 441 Configuring Print Servers 441 Configuring a shared CUPS printer 442 Configuring a shared Samba printer 443 Understanding smbconf for printing 444 Setting up SMB clients 445 Summary 446 Exercises 446 Chapter 17: Configuring a Web Server 449 Understanding the Apache Web Server 449 Getting and Installing Your Web Server 450 Understanding the httpd package 450 Installing Apache 453 Starting Apache 454 Securing Apache 455 Apache file permissions and ownership 455 Apache and iptables 455 Apache and SELinux 456 Understanding the Apache configuration files 457 Using directives 457 Understanding default settings 460 Adding a virtual host to Apache 462 Allowing users to publish their own web content 464 Securing your web traffic with SSL/TLS 465 Understanding how SSL is configured 467 Generating an SSL key and self-signed certificate 469 Generating a certificate signing request 470 Troubleshooting Your Web Server 471 Checking for configuration errors 472 Accessing forbidden and server internal errors 474 Summary 475 Exercises 475 Chapter 18: Configuring an FTP Server 477 Understanding FTP 477 Installing the vsftpd FTP Server 479 Starting the vsftpd Service 480 Securing Your FTP Server 483 Opening up your firewall for FTP 483 Allowing FTP access in TCP wrappers 486 Configuring SELinux for your FTP server 486 Relating Linux file permissions to vsftpd 488 Configuring Your FTP Server 488 Setting up user access 488 Allowing uploading 489 Setting up vsftpd for the Internet 491 Using FTP Clients to Connect to Your Server 492 Accessing an FTP server from Firefox 493 Accessing an FTP server with the lftp command 493 Using the gFTP client 495 Summary 496 Exercises 497 Chapter 19: Configuring a Windows File Sharing (Samba) Server r 499 Understanding Samba 499 Installing Samba 500 Starting and Stopping Samba 502 Starting the Samba (smb) service 503 Starting the NetBIOS (nmbd) name server 505 Stopping the Samba (smb) and NetBIOS (nmb) services 506 Securing Samba 506 Configuring firewalls for Samba 507 Configuring SELinux for Samba 508 Setting SELinux Booleans for Samba 508 Setting SELinux fi le contexts for Samba 510 Configuring Samba host/user permissions 510 Configuring Samba 511 Using system-config-samba 511 Choosing Samba server settings 511 Confi guring Samba user accounts 512 Creating a Samba shared folder 513 Checking the Samba share 514 Configuring Samba in the smbconf file 516 Configuring the [global] section 516 Configuring the [homes] section 518 Configuring the [printers] section 519 Creating custom shared directories 519 Accessing Samba Shares 521 Accessing Samba shares in Linux 522 Accessing Samba shares in Windows 524 Using Samba in the Enterprise 525 Summary 525 Exercises 526 Chapter 20: Configuring an NFS File Server r 527 Installing an NFS Server 529 Starting the NFS service 530 Sharing NFS Filesystems 531 Configuring the /etc/exports file 532 Hostnames in /etc/exports 533 Access options in /etc/exports 534 User mapping options in /etc/exports 534 Exporting the shared fi lesystems 535 Securing Your NFS Server 536 Opening up your firewall for NFS 537 Allowing NFS access in TCP wrappers 539 Confi guring SELinux for your NFS server 539 Using NFS Filesystems 540 Viewing NFS shares 540 Manually mounting an NFS filesystem 541 Mounting an NFS filesystem at boot time 542 Mounting noauto filesystems 543 Using mount options 543 Using autofs to mount NFS filesystems on demand 545 Automounting to the /net directory 546 Automounting home directories 547 Unmounting NFS filesystems 549 Summary 549 Exercises 550 Chapter 21: Troubleshooting Linux 551 Boot-Up Troubleshooting 551 Understanding Startup Methods 552 Starting with System V init scripts 552 Starting with systemd 553 Starting with Upstart 554 Starting from the firmware (BIOS or UEFI) 554 Troubleshooting BIOS setup 555 Troubleshooting boot order 556 Troubleshooting the GRUB boot loader 557 Starting the kernel 559 Troubleshooting the initialization system 560 Troubleshooting System V initialization 560 Troubleshooting rcsysinit 561 Troubleshooting runlevel processes 562 Troubleshooting systemd initialization 566 Troubleshooting Software Packages 568 Fixing RPM databases and cache 572 Troubleshooting Networking 573 Troubleshooting outgoing connections 573 View network interfaces 574 Check physical connections 574 Check routes 575 Check hostname resolution 576 Troubleshooting incoming connections 577 Check if the client can reach your system at all 577 Check if the service is available to the client 578 Check the firewall on the server 578 Check the service on the server 579 Troubleshooting Memory 580 Uncovering memory issues 581 Checking for memory problems 583 Dealing with memory problems 584 Troubleshooting in Rescue Mode 585 Summary 587 Exercises 587 Part V: Learning Linux Security Techniques 589 Chapter 22: Understanding Basic Linux Security 591 Understanding Security Basics 591 Implementing physical security 591 Implementing disaster recovery 592 Securing user accounts 593 One user per user account 593 Limit access to the root user account 594 Setting expiration dates on temporary accounts 594 Removing unused user accounts 595 Securing passwords 596 Choosing good passwords 597 Setting and changing passwords 598 Enforcing best password practices 599 Understanding the password files and password hashes 601 Securing the filesystem 603 Managing dangerous filesystem permissions 603 Securing the password files 604 Locking down the filesystem 606 Managing software and services 607 Updating software packages 607 Keeping up with security advisories 607 Advanced implementation 608 Monitoring Your Systems 608 Monitoring log files 608 Monitoring user accounts 612 Detecting counterfeit new accounts and privileges 612 Detecting bad account passwords 614 Monitoring the filesystem 615 Verifying software packages 615 Scanning the filesystem 616 Detecting viruses and rootkits 618 Auditing and Reviewing Linux 622 Conducting compliance reviews 623 Conducting security reviews 623 Summary 624 Exercises 624 Chapter 23: Understanding Advanced Linux Security 627 Implementing Linux Security with Cryptography 627 Understanding hashing 628 Understanding encryption/decryption 630 Understanding cryptographic ciphers 630 Understanding cryptographic cipher keys 631 Understanding digital signatures 637 Implementing Linux cryptography 639 Ensuring file integrity 639 Encrypting a Linux filesystem 640 Encrypting a Linux directory 642 Encrypting a Linux file 645 Encrypting Linux with miscellaneous tools 645 Using Encryption from the Desktop 646 Implementing Linux Security with PAM 648 Understanding the PAM authentication process 649 Understanding PAM contexts 650 Understanding PAM control flaags 651 Understanding PAM modules 652 Understanding PAM system event configuration files 653 Administering PAM on your Linux system 654 Managing PAM-aware application configuration files 654 Managing PAM system event confi guration files 655 Implementing resources limits with PAM 657 Implementing time restrictions with PAM 658 Enforcing good passwords with PAM 660 Encouraging sudo use with PAM 664 Locking accounts with PAM 665 Obtaining more information on PAM 667 Summary 668 Exercises 668 Chapter 24: Enhancing Linux Security with SELinux 669 Understanding SELinux Benefits 669 Understanding How SELinux Works 671 Understanding type enforcement 671 Understanding multi-level security 672 Implementing SELinux security models 673 Understanding SELinux operational modes 673 Understanding SELinux security contexts 674 Understanding SELinux policy types 677 Understanding SELinux policy rule packages 678 Configuring SELinux 679 Setting the SELinux mode 680 Setting the SELinux policy type 682 Managing SELinux security contexts 683 Managing the user security context 684 Managing the file security context 684 Managing the process security context 685 Managing SELinux policy rule packages 686 Managing SELinux via booleans 688 Monitoring and Troubleshooting SELinux 689 Understanding SELinux logging 689 Reviewing SELinux messages in the audit log 690 Reviewing SELinux messages in the messages log 690 Troubleshooting SELinux logging 691 Troubleshooting common SELinux problems 692 Using a nonstandard directory for a service 692 Using a nonstandard port for a service 693 Moving files and losing security context labels 693 Booleans set incorrectly 694 Putting It All Together 694 Obtaining More Information on SELinux 695 Summary 695 Exercises 696 Chapter 25: Securing Linux on a Network 699 Auditing Network Services 699 Evaluating access to network services with nmap 701 Using nmap to audit your network services advertisements 704 Controlling access to network services 708 Working with Firewalls 710 Understanding firewalls 710 Implementing firewalls 711 Starting with firewalld 712 Understanding the iptables utility 713 Using the iptables utility716 Summary 724 Exercises 724 Part VI: Extending Linux into the Cloud 727 Chapter 26: Using Linux for Cloud Computing 729 Overview of Linux and Cloud Computing 729 Cloud hypervisors (aka compute nodes) 730 Cloud controllers 730 Cloud storage 731 Cloud authentication 731 Cloud deployment and confi guration 732 Cloud platforms 732 Trying Basic Cloud Technology 732 Setting Up a Small Cloud 734 Configuring hypervisors 735 Step 1: Get Linux software 735 Step 2: Check your computers 735 Step 3: Install Linux on hypervisors 736 Step 4: Start services on the hypervisors 737 Step 5: Edit /etc/hosts or set up DNS 738 Configuring storage 738 Step 1: Install Linux software 738 Step 2: Configure NFS share 739 Step 3: Start the NFS service 739 Step 4: Mount the NFS share on the hypervisors 740 Creating virtual machines 740 Step 1: Get images to make virtual machines 741 Step 2: Check the network bridge 741 Step 3: Start Virtual Machine Manager (virt-manager) 741 Step 4: Check connection details 742 Step 5: Create a new virtual machine 743 Managing virtual machines 744 Migrating virtual machines 745 Step 1: Identify other hypervisors 745 Step 2: Migrate running VM to another hypervisor 746 Summary 747 Exercises 747 Chapter 27: Deploying Linux to the Cloud 749 Getting Linux to Run in a Cloud 749 Creating Linux Images for Clouds 751 Configuring and running a cloud-init cloud instance 751 Investigating the cloud instance 753 Cloning the cloud instance 754 Trying an Ubuntu cloud image 756 Expanding your cloud-init configuration 757 Adding ssh keys with cloud-init 757 Adding network interfaces with cloud-init 758 Adding software with cloud-init 758 Using cloud-init in enterprise computing 759 Using OpenStack to Deploy Cloud Images 760 Starting from the OpenStack Dashboard 761 Configuring your OpenStack virtual network 761 Configuring keys for remote access 763 Launching a virtual machine in OpenStack 764 Accessing the virtual machine via ssh 765 Using Amazon EC2 to Deploy Cloud Images 765 Summary 766 Part VII: Appendixes 769 Appendix A: Media 771 Appendix B: Exercise Answers 781 Index 839

Product Details

  • publication date: 15/05/2015
  • ISBN13: 9781118999875
  • Format: Paperback
  • Number Of Pages: 912
  • ID: 9781118999875
  • weight: 1456
  • ISBN10: 1118999878
  • edition: 9th Revised edition

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