CompTIA Linux+ XK0-005 Exam Cram
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CompTIA Linux+ XK0-005 Exam Cram

CompTIA Linux+ XK0-005 Exam Cram

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About the Book

Prepare for CompTIA Linux+ XK0-005 exam success with this Exam Cram from Pearson IT Certification, a leader in IT certification.   This is the eBook edition of the CompTIA Linux+ XK0-005 Exam Cram. This eBook does not include access to the Pearson Test Prep practice exams that comes with the print edition.   CompTIA Linux+ XK0-005 Exam Cram is an all-inclusive study guide designed to help you pass the updated version of the CompTIA Linux+ exam. Prepare for test day success with complete coverage of exam objectives and topics, plus hundreds of realistic practice questions. Extensive prep tools include quizzes, Exam Alerts, and our essential last-minute review Cram Sheet.   Covers the critical information needed to score higher on your Linux+ XK0-005 exam! Manage files and directories Configure and manage storage Manage software configurations Implement identity management Implement and configure firewalls Create simple shell scripts to automate common tasks Perform basic container operations Analyze and troubleshoot storage issues and network resource issues

Table of Contents:
    Introduction. . . . . . . . . . . . xxiv   Part I: System Management CHAPTER 1: Linux Fundamentals. . . . . . . . . . . 1     Filesystem Hierarchy Standard (FHS).. . . . . . . 1     Basic Boot Process.. . . . . . . . . . 3     Kernel Panic. . . . . . . . . . . 10     Device Types in /dev.. . . . . . . . . 10     Basic Package Compilation from Source.. . . . . . 13     ./configure.. . . . . . . . . . 13     make.. . . . . . . . . . . 15     make install.. . . . . . . . . . 16     Storage Concepts.. . . . . . . . . . 16     Listing Hardware Information.. . . . . . . . 22   CHAPTER 2: Manage Files and Directories.. . . . . . . . . 27     File Editing.. . . . . . . . . . . 27     File Compression, Archiving, and Backup. . . . . . 36     File Metadata.. . . . . . . . . . . 41     Soft and Hard Links.. . . . . . . . . 43     Copying Files Between Systems.. . . . . . . 46     File and Directory Operations.. . . . . . . . 49   CHAPTER 3: Configure and Manage Storage Using the Appropriate Tools.. . . 57     Disk Partitioning.. . . . . . . . . . 57     Mounting Local and Remote Devices.. . . . . . 61     Filesystem Management. . . . . . . . . 66     Monitoring Storage Space and Disk Usage. . . . . . 70     Creating and Modifying Volumes Using Logical Volume Manager (LVM).. . . . . . . . . . 71     Inspecting RAID Implementations.. . . . . . . 75     Storage Area Network (SAN)/Network-Attached Storage (NAS). . 78     Storage Hardware.. . . . . . . . . . 82   CHAPTER 4: Configure and Use the Appropriate Processes and Services.. . . 85     System Services. . . . . . . . . . 85     Scheduling Services. . . . . . . . . . 90     Process Management. . . . . . . . . 97   CHAPTER 5: Use the Appropriate Networking Tools or Configuration Files. . . 113     Interface Management.. . . . . . . . . 113     Name Resolution.. . . . . . . . . . 122     Network Monitoring.. . . . . . . . . 127     Remote Networking Tools.. . . . . . . . 132   CHAPTER 6: Build and Install Software. . . . . . . . . 139     Package Management.. . . . . . . . . 139     Sandboxed Applications.. . . . . . . . . 149     System Updates.. . . . . . . . . . 150   Part II: Security CHAPTER 7: Manage Software Configurations.. . . . . . . . 155     Updating Configuration Files.. . . . . . . . 155     Configure Kernel Options.. . . . . . . . 158     Configure Common System Services.. . . . . . . 165     Localization.. . . . . . . . . . . 172   CHAPTER 8: Security Best Practices in a Linux Environment.. . . . . 177     Managing Public Key Infrastructure (PKI) Certificates.. . . 177     Certificate Use Cases. . . . . . . . . 181     Authentication.. . . . . . . . . . 181     Linux Hardening.. . . . . . . . . . 188   CHAPTER 9: Implement Identity Management. . . . . . . . 201     Account Creation and Deletion. . . . . . . . 201     .bashrc. . . . . . . . . . . 212     Account Management.. . . . . . . . . 212   CHAPTER 10: Implement and Configure Firewalls.. . . . . . . . 219     Firewall Use Cases.. . . . . . . . . . 219     Common Firewall Technologies.. . . . . . . 221     Key Firewall Features.. . . . . . . . . 223   CHAPTER 11: Configure and Execute Remote Connectivity for System Management.. 227     SSH.. . . . . . . . . . . . 227     Executing Commands as Another User.. . . . . . 235   CHAPTER 12: Apply the Appropriate Access Controls. . . . . . . 241     File Permissions.. . . . . . . . . . 241     Security-Enhanced Linux (SELinux).. . . . . . . 243     AppArmor.. . . . . . . . . . . 247     Command-Line Utilities.. . . . . . . . . 250   Part III: Scripting, Containers, and Automation CHAPTER 13: Create Simple Shell Scripts to Automate Common Tasks. . . . 265     Shell Script Elements.. . . . . . . . . 265     Common Script Utilities.. . . . . . . . . 286     Environment Variables. . . . . . . . . 298     Relative and Absolute Paths.. . . . . . . . 302   CHAPTER 14: Perform Basic Container Operations. . . . . . . 305     Container Management.. . . . . . . . . 305     Container Image Operations.. . . . . . . . 312   CHAPTER 15: Perform Basic Version Control Using Git.. . . . . . . 317     Introduction to Version Control and Git.. . . . . . 317     clone.. . . . . . . . . . . . 321     push.. . . . . . . . . . . . 323     pull.. . . . . . . . . . . . 324     commit.. . . . . . . . . . . . 324     add.. . . . . . . . . . . . 325     branch/checkout.. . . . . . . . . . 325     tag.. . . . . . . . . . . . 329     gitignore.. . . . . . . . . . . 330   CHAPTER 16: Common Infrastructure as Code Technologies.. . . . . 333     File Formats. . . . . . . . . . . 334     Utilities.. . . . . . . . . . . . 335     Continuous Integration/Continuous Deployment (CI/CD).. . . 338     Advanced Git Topics.. . . . . . . . . 339   CHAPTER 17: Container, Cloud, and Orchestration Concepts.. . . . . 343     Kubernetes Benefits and Application Use Cases.. . . . . 344     Single-Node, Multicontainer Use Cases. . . . . . 346     Container Persistent Storage.. . . . . . . . 346     Container Networks.. . . . . . . . . 347     Service Mesh.. . . . . . . . . . . 349     Bootstrapping. . . . . . . . . . . 350     Container Registries.. . . . . . . . . 350   Part IV: Troubleshooting CHAPTER 18: Analyze and Troubleshoot Storage Issues.. . . . . . 353     High Latency.. . . . . . . . . . . 353     Input/Output Operations per Second (IOPS) Scenarios.. . . 354     Capacity Issues.. . . . . . . . . . 355     Filesystem Issues. . . . . . . . . . 358     I/O Scheduler. . . . . . . . . . . 359     Device Issues.. . . . . . . . . . . 360     Mount Option Problems.. . . . . . . . . 363   CHAPTER 19: Analyze and Troubleshoot Network Resource Issues.. . . . 365     Network Configuration Issues.. . . . . . . . 365     Firewall Issues.. . . . . . . . . . 367     Interface Errors.. . . . . . . . . . 367     Bandwidth Limitations. . . . . . . . . 373     Name Resolution Issues. . . . . . . . . 374     Testing Remote Systems.. . . . . . . . . 375   CHAPTER 20: Analyze and Troubleshoot Central Processing Unit (CPU) and Memory Issues. . . . 379     Runaway Processes.. . . . . . . . . . 379     Zombie Processes.. . . . . . . . . . 380     High Load Average.. . . . . . . . . . 383     High Run Queues.. . . . . . . . . . 384     CPU Times.. . . . . . . . . . . 384     CPU Process Priorities.. . . . . . . . . 384     Memory Exhaustion.. . . . . . . . . 385     Out of Memory (OOM). . . . . . . . . 385     Swapping.. . . . . . . . . . . 386     Hardware. . . . . . . . . . . 388   CHAPTER 21: Analyze and Troubleshoot User Access and File Permissions. . . 397     User Login Issues.. . . . . . . . . . 397     User File Access Issues. . . . . . . . . 400     Password Issues. . . . . . . . . . 404     Privilege Elevation.. . . . . . . . . . 405     Quota Issues. . . . . . . . . . . 405   CHAPTER 22: Use systemd to Diagnose and Resolve Common Problems with a Linux System. . . . . 411     Unit Files. . . . . . . . . . . 412     Common Problems.. . . . . . . . . . 429   9780137898558, TOC, 8/11/2022


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Product Details
  • ISBN-13: 9780137898497
  • Publisher: Pearson Education (US)
  • Publisher Imprint: Pearson IT Certification
  • Language: English
  • ISBN-10: 0137898495
  • Publisher Date: 10 Oct 2022
  • Binding: Digital download
  • No of Pages: 496


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