Kali Linux courses can help you learn penetration testing, network security, vulnerability assessment, and ethical hacking techniques. You can build skills in using command-line tools, scripting for automation, and analyzing security protocols. Many courses introduce tools like Metasploit, Wireshark, and Nmap, demonstrating how these skills are applied in real-world security assessments and threat analysis.

Packt
Skills you'll gain: Package and Software Management, Command-Line Interface, Ubuntu, Linux, Linux Administration, Linux Commands, Red Hat Enterprise Linux, Unix Commands, File Systems, Software Installation, Operating System Administration, Development Environment, File Management, Virtual Environment, Open Source Technology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, File Systems, Linux, File Management, Firewall, Remote Access Systems, Linux Commands, Network Troubleshooting, Unix, Operating System Administration, Command-Line Interface, Unix Commands, System Support, Unix Shell, Data Storage, Virtual Machines, Scripting
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: File Systems, Linux Administration, Linux, Linux Commands, Operating System Administration, Software Installation, Data Storage, Data Management, Unix Commands, System Configuration, Software Architecture, Data Integrity, Data Migration, Hardware Architecture, System Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Ubuntu, System Configuration
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Bash (Scripting Language), Shell Script, Ubuntu, Unix, System Software, System Monitoring
Intermediate · Course · 1 - 3 Months
Dartmouth College
Skills you'll gain: Command-Line Interface, C (Programming Language), Linux Commands, Linux, Embedded Systems, Embedded Software, Programming Principles, Computer Engineering, Linux Servers, File Systems, System Programming, Build Tools, Data Structures, Algorithms, Computer Architecture, Computer Programming, Software Documentation, Computer Science, Software Engineering, Debugging
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Linux Commands, Linux, Command-Line Interface, Linux Administration, OS Process Management, Ubuntu, System Monitoring, Network Troubleshooting, File Transfer Protocol (FTP), File Management
Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Version Control, Git (Version Control System), Linux, Cloud Computing Architecture, DevOps, Virtualization, Cloud Computing, Linux Administration, Cloud Infrastructure, Containerization, Cloud Platforms, Infrastructure As A Service (IaaS), Software As A Service, Virtual Machines, Platform As A Service (PaaS)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Shell Script, Bash (Scripting Language), User Accounts, Linux Administration, Linux, Operating System Administration, File Systems, Performance Tuning, Systems Administration, Scripting, File Management, Scripting Languages, Unix Commands, Data Storage, Command-Line Interface, Operating Systems, System Monitoring, Dataflow
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Command-Line Interface, Linux, Package and Software Management, Linux Administration, Unix Commands, File Management, Operating System Administration, Linux Commands, Systems Administration, File Systems, Open Source Technology, System Configuration, Software Installation, Operating Systems, Virtualization, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Bash (Scripting Language), Shell Script, Unix Shell, Scripting, Scripting Languages, Linux Commands, Unix Commands, Linux, Command-Line Interface, Unix, User Interface (UI), Graphical Tools
Advanced · Course · 1 - 3 Months

Skills you'll gain: Bash (Scripting Language), Shell Script, Linux Commands, Unix Shell, Unix Commands, Linux Administration, Linux, Scripting, File Management, Unix, Command-Line Interface, Scripting Languages, Debugging, System Configuration, User Interface (UI), IT Automation, Interactive Design, Programming Principles, OS Process Management
Beginner · Specialization · 1 - 3 Months