1. Introduction
  2. Essential Commands - 25%
    1. Log into local & remote graphical and text mode consoles
    2. Search for files
    3. Evaluate and compare the basic file system features and options
    4. Compare and manipulate file content
    5. Use input-output redirection
    6. Analyze text using basic regular expressions
    7. Archive, backup, compress, unpack, and uncompress files
    8. Create, delete, copy, and move files and directories
    9. Create and manage hard and soft links
    10. List, set, and change standard file permissions
    11. Read, and use system documentation
    12. Manage access to the root account
  4. Operation of Running Systems - 20%
    1. Boot, reboot, and shut down a system safely
    2. Boot or change system into different operating modes
    3. Install, configure and troubleshoot bootloaders
    4. Diagnose and manage processes
    5. Locate and analyze system log files
    6. Schedule tasks to run at a set date and time
    7. Verify completion of scheduled jobs
    8. Update software to provide required functionality and security
    9. Verify the integrity and availability of resources
    10. Verify the integrity and availability of key processes
    11. Change kernel runtime parameters, persistent and non-persistent
    12. Use scripting to automate system maintenance tasks
    13. Manage the startup process and services
    14. List and identify SELinux/AppArmor file and process contexts
    15. Manage software
    16. Identify the component of a Linux distribution that a file belongs to
  6. User and Group Management - 10%
    1. Create, delete, and modify local user accounts
    2. Create, delete, and modify local groups and group memberships
    3. Manage system-wide environment profiles
    4. Manage template user environment
    5. Configure user resource limits
    6. Manage user privileges
    7. Configure PAM
  8. Networking - 12%
    1. Configure networking and hostname resolution statically or dynamically
    2. Configure network services to start automatically at boot
    3. Implement packet filtering (iptables, firewalld or ufw)
    4. Start, stop, and check the status of network services
    5. Statically route IP traffic
    6. Synchronize time using other network peers
  10. Service Configuration - 20%
    1. Configure a caching DNS server
    2. Maintain a DNS zone
    3. Configure email aliases
    4. Configure SSH servers and clients
    5. Restrict access to the HTTP proxy server
    6. Configure an IMAP and IMAPS service
    7. Query and modify the behavior of system services at various operating modes
    8. Configure an HTTP server
    9. Configure HTTP server log files
    10. Configure a database server
    11. Restrict access to a web page
    12. Manage and configure containers
    13. Manage and configure Virtual Machines
  12. Storage Management - 13%
    1. List, create, delete, and modify physical storage partitions
    2. Manage and configure LVM storage
    3. Create and configure encrypted storage
    4. Configure systems to mount file systems at or during boot
    5. Configure and manage swap space
    6. Create and manage RAID devices
    7. Configure systems to mount file systems on demand
    8. Create, manage and diagnose advanced file system permissions
    9. Setup user and group disk quotas for filesystems
    10. Create and configure file systems
  14. Bonus/Miscellanea - 0%
    1. bash
    2. git
    3. Repair the GRUB from live CD or USB stick
    4. Install a CA certificate
    5. Create a self-signed SSL certificate for Apache web server
    6. Debugging TLS handshake issues
    7. DNS essentials
    8. Network-Manager
    9. SSH-tunneling
    10. Debugging corrupted character encoding issues
    11. How to test a microphone
    12. Automate login via SSH
    13. How to fix low screen resolution
    14. Non-Free Firmware for Debian
    15. How to fix Nvidia graphics card problems
    16. Recover from a failed installation
    17. Mapping Hosts and Ports Locally
    18. Tips & tricks
  16. References