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

Skills you'll gain: Threat Modeling, Network Security, Threat Management, Incident Response, Vulnerability Management, Computer Security Incident Management, Hardening, Intrusion Detection and Prevention, Security Management, Cyber Threat Intelligence, Cyber Attacks, Cybersecurity, Network Protocols, Cloud Security, Bash (Scripting Language), Debugging, Linux, Interviewing Skills, Python Programming, SQL
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Simplilearn
Skills you'll gain: C (Programming Language), Data Structures, C++ (Programming Language), Computer Programming, Programming Principles, Data Management, System Programming, Algorithms
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Bash (Scripting Language), Linux Commands, Shell Script, Unix Shell, Linux Servers, Linux Administration, Scripting, Network Troubleshooting, Scripting Languages, Command-Line Interface, Systems Administration, IT Automation, Virtual Machines, Virtualization, Software Installation, System Monitoring, File Management, User Accounts
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: GitHub, Unix, Git (Version Control System), Unix Commands, Bash (Scripting Language), Ubuntu, Command-Line Interface, Cloud Computing, Shell Script, Linux, Mac OS, Scripting, Scripting Languages, File Management
Beginner · Course · 1 - 3 Months

The Linux Foundation
Skills you'll gain: Bash (Scripting Language), File Systems, Package and Software Management, Linux, Command-Line Interface, Unix Commands, Linux Commands, Shell Script, Scripting, Software Development Tools, File Management, Scripting Languages, Program Development, System Programming, Java, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Bash (Scripting Language), Unit Testing, Development Testing, Scripting, Unix Shell, Software Testing, Linux Commands, Test Driven Development (TDD), Unix Commands, Scripting Languages, Development Environment, Operating Systems, Command-Line Interface, File Management, OS Process Management, Automation, Python Programming
Beginner · Course · 1 - 3 Months

Skills you'll gain: Bash (Scripting Language), Shell Script, Unix Shell, Scripting, Linux Commands, Windows PowerShell, Linux, IT Automation, Unix Commands, Unix, Debugging, Automation, Remote Access Systems, Command-Line Interface, Ubuntu, Development Environment, System Monitoring, Data Structures, Restful API, File Management
Intermediate · Course · 3 - 6 Months

EDUCBA
Skills you'll gain: Unix Shell, Shell Script, Bash (Scripting Language), Unix Commands, Unix, Scripting, Scripting Languages, Linux Commands, Command-Line Interface, Linux, File Systems, Programming Principles
Intermediate · Course · 1 - 3 Months

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: Web Development, Web Design and Development, Web Applications, Data Structures, Javascript, Scripting, Scripting Languages, Programming Principles, JSON, Computational Thinking
Beginner · Course · 1 - 4 Weeks

Codio
Skills you'll gain: User Accounts, Unix Commands, Unix, Command-Line Interface, OS Process Management, File Systems, Linux, Ubuntu, Linux Commands, Operating Systems, Systems Administration, Shell Script, File Management
Beginner · Course · 1 - 4 Weeks