Dartmouth College
Skills you'll gain: Command-Line Interface, C (Programming Language), Linux Commands, Linux, Embedded Systems, File I/O, Embedded Software, Software Visualization, Programming Principles, Computer Engineering, Linux Servers, File Systems, System Programming, Algorithms, Computer Architecture, Computer Programming, Software Documentation, Computer Science, Software Engineering, Debugging
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Ansible, Ubuntu, Linux Servers, WordPress, Linux Administration, Remote Access Systems, Linux, Linux Commands, Nginx, Servers, Web Servers, Software Installation, Systems Administration, Virtual Machines, Web Development, MySQL, PHP (Scripting Language)
Beginner · Course · 1 - 3 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

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

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Metasploit, Penetration Testing, Malware Protection, Exploitation techniques, Database Management, Cyber Threat Intelligence, Vulnerability Assessments, Cyber Security Assessment, Brute-force attacks, Cryptography, Cybersecurity, Vulnerability Scanning, Intrusion Detection and Prevention, Data Import/Export, MySQL, Encryption, Mobile Security, Linux, Linux Administration
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Linux Commands, Linux, Unix Commands, Command-Line Interface, File Management, System Configuration, Linux Administration, Package and Software Management, DevOps
Beginner · Guided Project · Less Than 2 Hours

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

Skills you'll gain: Linux, Scripting, Linux Administration, Operating System Administration, Data Persistence, Shell Script, Unix Shell, Systems Administration, IT Automation, Command-Line Interface, Cloud Hosting, Object-Relational Mapping, YAML, Python Programming, File Transfer Protocol (FTP), Network Administration, OS Process Management, File Management
Mixed · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Linux Commands, Linux, Unix Commands, Linux Administration, Data Processing, Text Mining, Command-Line Interface, Data Manipulation, Unix, Scripting, Automation, File Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Linux Commands, Package and Software Management, File Management, Command-Line Interface, Unix Commands, Ubuntu, Linux Administration, System Monitoring, Linux Servers, Remote Access Systems, Unix Shell, User Accounts, OS Process Management, General Networking, IT Automation
Beginner · Course · 1 - 3 Months

Pearson
Skills you'll gain: Dynamic Host Configuration Protocol (DHCP), Linux Servers, Linux Administration, Linux, TCP/IP, Network Administration, Servers, Network Protocols, System Configuration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Ubuntu, Operating System Administration, TCP/IP, Security Controls, Service Management, File Management, SQL
Intermediate · Course · 1 - 3 Months