Illinois Tech
Skills you'll gain: Linux, Cloud-Native Computing, Network Security, Linux Administration, Cloud Computing, Amazon Web Services, Infrastructure as Code (IaC), Cloud Computing Architecture, Network Troubleshooting, Operating System Administration, Cloud Platforms, Cloud Storage, Linux Commands, Software-Defined Networking, User Accounts, Cloud Infrastructure, Network Monitoring, Threat Modeling, Cloud Services, Data Infrastructure
Build toward a degree
Beginner · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Docker (Software), Cloud-Native Computing, Containerization, DevOps, Microservices, Linux Administration, Application Deployment, Virtualization, Continuous Integration, Continuous Deployment, Scalability, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Linux Commands, Shell Script, Unix Commands, Operating System Administration, Systems Administration, File I/O, Data Management, Process Management, Software Development, Computer Security
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: System Programming, Embedded Systems, Linux, File I/O, Linux Commands, Linux Servers, Operating Systems, Bash (Scripting Language), Shell Script, OS Process Management, Build Tools, C and C++, Cross Platform Development, Debugging, Electrical Engineering
Advanced · 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

Skills you'll gain: Shell Script, Package and Software Management, Linux Administration, Linux Commands, Unix Shell, Systems Administration, Hardening, Unix Commands, Patch Management, Scripting, System Monitoring, User Accounts, Dynamic Host Configuration Protocol (DHCP), System Configuration, OS Process Management, Firewall, Process Management
Advanced · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Penetration Testing, Linux Commands, Command-Line Interface, Linux, Cybersecurity, Operating System Administration, Operating Systems, Windows PowerShell, Unix Commands, Microsoft Windows, Computer Systems, Mac OS
Mixed · Course · 1 - 4 Weeks

Akamai Technologies, Inc.
Skills you'll gain: Linux, Ubuntu, Linux Administration, File Systems, Linux Commands, Operating Systems, User Accounts, Red Hat Enterprise Linux, OS Process Management, File Management, Unix Shell, System Configuration, Command-Line Interface, Open Source Technology, Security Controls, Virtualization, Virtual Machines
Beginner · Course · 1 - 3 Months

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

Skills you'll gain: Shell Script, Unix Shell, File Management, File Systems, Unix Commands, Operating Systems, Command-Line Interface, OS Process Management, System Configuration
Beginner · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Remote Access Systems, Command-Line Interface, System Monitoring, Unix Commands, User Accounts, Linux, Linux Administration, Shell Script, Linux Commands, Operating System Administration, Systems Administration, Software Installation, File Systems, System Configuration, Data Sharing, Security Controls, Operating Systems, File Management
Beginner · Course · 1 - 4 Weeks