CompTIA Linux+ Last Minute Revision

<p><span style=color: rgba(51 51 51 1)>For those of you who need to get ready for your CompTIA Linux+ exam in a hurry this book is exactly what you need. This book's got a bunch of practical tasks and focused revision to help you feel ready for your test. Every chapter is based around exam objectives and covers essential skills through step-by-step scenario-based activities.</span></p><p></p><p><span style=color: rgba(51 51 51 1)>To start with you will be working on recovering systems from GRUB prompts fixing bootloader issues and managing kernel modules. All the essential tasks like handling file systems logical volumes RAID arrays and NFS mounts are broken down into clear easy-to-follow recipes. There'll be plenty of practice in user and group management permissions access control lists and troubleshooting login and authentication issues. It covers automation techniques with Bash and Python helping you script daily operations and validate system states. There are some great practical activities that will take you through repairing repositories managing packages and system updates so you'll be all set to handle real-world Linux administration. Topics like networking service management firewall configuration and DNS troubleshooting are taught through hands-on exercises. The security section covers things like account hygiene SELinux and AppArmor controls and key audit tasks. It covers modern infrastructure skills too with hands-on chapters on containers virtualisation Ansible Git and cloud-init for automated provisioning.</span></p><p></p><p><span style=color: rgba(51 51 51 1)>Every chapter ends with some practice questions that are based on the sort of stuff you might be asked in the CompTIA Linux+ exam and the book finishes with two full mock exams to help you work out how ready you are.</span></p><p></p><h4><strong style=color: rgba(51 51 51 1)>Key Learnings</strong></h4><p><span style=color: rgba(51 51 51 1)>Use GRUB initramfs and kernel options to get broken boots back up and running in no time.</span></p><p><span style=color: rgba(51 51 51 1)>Manage file systems LVM and RAID without losing any data.</span></p><p><span style=color: rgba(51 51 51 1)>Protect users by using modes ACLs sudo rules and PAM sanity checks.</span></p><p><span style=color: rgba(51 51 51 1)>Fix networks quickly including routes DNS firewalls and port conflicts.</span></p><p><span style=color: rgba(51 51 51 1)>Take control of packages and repos pin versions and easy rollbacks.</span></p><p><span style=color: rgba(51 51 51 1)>Fix scripts that are idempotent using Bash and tiny Python helpers.</span></p><p><span style=color: rgba(51 51 51 1)>Automate with Ansible and Git for changes and tracking.</span></p><p><span style=color: rgba(51 51 51 1)>Build and debug containers map storage and verify cloud-init on VMs.</span></p><p><span style=color: rgba(51 51 51 1)>Spot bottlenecks fast with top vmstat iostat ss and lightweight checks.</span></p><p><span style=color: rgba(51 51 51 1)>Test out exam skills with chapter quizzes and two full mock tests.</span></p><p></p><h4><strong style=color: rgba(51 51 51 1)>Table of Content</strong></h4><p>Boot Rescue and Service Startup</p><p>Filesystems Mounts LVM and RAID</p><p>Users Groups Permissions and PAM</p><p>Packages Repositories and Scheduling</p><p>Networking and Name Services</p><p>Host Security SELinux or AppArmor and Firewalls</p><p>Shell Scripting and Tiny Python Utilities</p><p>Ansible and Git for Ops</p><p>Troubleshooting and Observability</p><p>Containers Virtual Machines and Cloud-Init</p><p>Mock Exam - Set 'A'</p><p>Mock Exam - Set 'B'</p>