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.

LearnQuest
Skills you'll gain: Linux, Linux Commands, Linux Servers, Ubuntu, File Management, Command-Line Interface, Unix, Bash (Scripting Language), grep, Servers, Operating Systems, File Systems, Shell Script, Web Servers, IT Automation, Apache, MySQL, Open Source Technology, Service Management
Beginner · Course · 1 - 4 Weeks

The Linux Foundation
Skills you'll gain: Package and Software Management, Linux, Command-Line Interface, File Systems, Linux Administration, Linux Commands, User Accounts, Operating System Administration, System Configuration, Bash (Scripting Language), File Management, Unix Shell, User Provisioning, System Monitoring, Shell Script, Operating Systems, System Software, Patch Management, Software Installation, OS Process Management
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Package and Software Management, Linux Administration, Linux, Linux Commands, Virtual Private Networks (VPN), Linux Servers, System Monitoring, Operating System Administration, Public Key Infrastructure, Ubuntu, Version Control, File Management, Command-Line Interface, Intrusion Detection and Prevention, Git (Version Control System), File Systems, User Accounts, Firewall, Cloud Computing Architecture, DevOps
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Agile Methodology, Scrum (Software Development), Embedded Software, Embedded Systems, System Programming, Agile Software Development, Linux, Software Testing, Development Testing, Linux Administration, Software Development Methodologies, Agile Project Management, Git (Version Control System), Docker (Software), Containerization, System Software, Electrical and Computer Engineering, File Systems, Shell Script, Debugging
Intermediate · Specialization · 1 - 3 Months

The Linux Foundation
Skills you'll gain: Package and Software Management, Open Source Technology, Git (Version Control System), Linux, Command-Line Interface, Bash (Scripting Language), File Systems, GitHub, Linux Administration, Version Control, Linux Commands, User Accounts, CI/CD, Unix Commands, Shell Script, grep, Continuous Integration, Operating System Administration, Software Installation, Software Development Tools
Beginner · Specialization · 3 - 6 Months

KodeKloud
Skills you'll gain: Package and Software Management, Command-Line Interface, Linux Commands, Linux, Ubuntu, Linux Administration, File Systems, Linux Servers, Data Storage, Network Troubleshooting, Operating Systems, Red Hat Enterprise Linux, Data Storage Technologies, Remote Access Systems, Operating System Administration, System Support, Software Installation, File Management, Service Management, General Networking
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Linux, Linux Administration, Linux Commands, File Management, Linux Servers, User Accounts, File Systems, Unix, OS Process Management, Unix Shell, Command-Line Interface, User Provisioning, General Networking, Shell Script, Operating Systems, File I/O, Network Support, Remote Access Systems, Scripting, Dataflow
Intermediate · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Operating Systems, Data Maintenance, Package and Software Management, File Management
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Virtual Private Networks (VPN), Linux Administration, Public Key Infrastructure, Linux, Linux Servers, Intrusion Detection and Prevention, Firewall, Remote Access Systems, Operating System Administration, Linux Commands, Authentications, Authorization (Computing), Network Security, Hardening, Security Controls, Infrastructure Security, Identity and Access Management, System Monitoring, Cybersecurity, Information Technology
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Package and Software Management, Linux Administration, Linux, System Monitoring, Linux Commands, Operating System Administration, File Systems, User Accounts, Command-Line Interface, User Provisioning, Systems Administration, Data Storage, System Configuration, File Management, Data Storage Technologies, Network Administration, Software Installation, Network Troubleshooting, Open Source Technology
Beginner · Course · 1 - 4 Weeks

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

Skills you'll gain: Linux Administration, Virtualization and Virtual Machines, Linux, Performance Tuning, Linux Servers, Virtualization, Virtual Machines, Data Storage, Data Storage Technologies, Cloud Applications, Hybrid Cloud Computing, Security Controls, Mainframe Computing, Hardware Architecture, Infrastructure Architecture, Virtual Networking, AI Integrations, Networking Hardware, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Course · 1 - 3 Months