Linux courses can help you learn system administration, shell scripting, file management, and network configuration. You can build skills in user permissions, process management, and troubleshooting system issues. Many courses introduce tools like the command line interface, Git for version control, and various Linux distributions, providing practical experience in managing servers and automating tasks.

LearnKartS
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Cryptography, Cyber Security Assessment, Computer Security, Threat Modeling, Secure Coding, Cyber Security Strategy, Cloud Infrastructure, Email Security, Cloud Computing Architecture, Cloud Platforms, Security Controls, Security Testing, Hardening, Cloud-Native Computing, Database Application, Zero Trust Network Access, SQL
★ 4.7 (52) · Intermediate · Course · 1 - 3 Months

KodeKloud
Skills you'll gain: Docker (Software), Devops Tools, Containerization, Data Storage, Software Installation, DevOps, Virtual Networking, Linux Commands, Cloud Development, YAML, File Systems, Computer Networking, Command-Line Interface, Software Architecture, Data Persistence, System Requirements
★ 4.7 (47) · Beginner · Course · 1 - 3 Months

Dartmouth College
Skills you'll gain: C (Programming Language), Memory Management, C and C++, Embedded Systems, Data Structures, Programming Principles, Computer Engineering, Algorithms, Computer Programming, Linux
★ 4.4 (58) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Virtualization and Virtual Machines, Virtual Machines, Virtualization, Containerization, Virtual Networking, Cloud Deployment, Open Source Technology, Data Persistence
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud-Native Computing, MongoDB, NoSQL, Flask (Web Framework), Django (Web Framework), Cloud Deployment, OpenShift, Cloud Platforms, Application Deployment, Kubernetes, Cloud Development, Cloud Applications, Databases, Back-End Web Development, IBM Cloud, Docker (Software), Containerization, Web Applications, Microservices, Application Development
★ 5 (44) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Virtual Machines, Virtualization and Virtual Machines, Cloud Development, Cloud Hosting, Infrastructure As A Service (IaaS), Cloud Deployment, Application Deployment, Linux, Cloud Management, Linux Servers, Full-Stack Web Development, Web Applications, Node.JS, MongoDB
★ 4.6 (32) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Embedded Systems, Embedded Software, System Programming, System Design and Implementation, Software Design, OS Process Management, Linux, Systems Analysis, Test Tools, Theoretical Computer Science, Verification And Validation, Algorithms
★ 4.3 (20) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Lightweight Directory Access Protocols, Git (Version Control System), Authentications, Collaborative Software, Linux Administration, Linux, Version Control, Open Source Technology, Identity and Access Management
Intermediate · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Cyber Threat Intelligence, Cyber Threat Hunting, Threat Detection, Vulnerability Assessments, Threat Management, Event Monitoring, Intrusion Detection and Prevention, Security Information and Event Management (SIEM), Computer Security Incident Management, Continuous Monitoring, Incident Response, Security Awareness, Security Management, Malware Protection, Network Security, Network Analysis, Network Monitoring
★ 4.8 (41) · Mixed · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: MITRE ATT&CK Framework, Cyber Threat Intelligence, Cybersecurity, Penetration Testing, Cyber Security Assessment, Cyber Security Strategy, Security Controls, Cyber Attacks, IT Security Architecture, Security Testing, Application Security, Endpoint Security, Network Security, Infrastructure Security, Security Software, AI Security, Cyber Risk, Data Security, Network Monitoring
★ 4.7 (50) · Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: React Native, Mobile Development, Responsive Web Design, Docker (Software), Azure DevOps, Restful API, Cross Platform Development, Azure DevOps Pipelines, Microservices, Containerization, User Interface (UI), User Interface and User Experience (UI/UX) Design, DevOps, UI Components, User Interface (UI) Design, ASP.NET, UI/UX Strategy, Secure Coding, Mobile Development Tools, Version Control
★ 4.2 (56) · Intermediate · Specialization · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Incident Response, Computer Security Incident Management, Incident Management, General Networking, Network Security, Cybersecurity, Cyber Security Policies, Computer Networking, Record Keeping, Data Sharing
★ 4.9 (60) · Mixed · Course · 1 - 4 Weeks