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.

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

Duke University
Skills you'll gain: Site Reliability Engineering, Docker (Software), Containerization, GitHub Copilot, Kubernetes, Virtualization, Cloud Deployment, Virtualization and Virtual Machines, Microservices, Development Environment, Application Deployment, Virtual Machines, Cloud Development, Database Management, Test Engineering, Cloud-Based Integration
★ 3.8 (51) · Advanced · Course · 1 - 4 Weeks

KodeKloud
Skills you'll gain: Git (Version Control System), Version Control, Software Versioning, Command-Line Interface, Software Installation
★ 4.8 (36) · Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Jenkins, CI/CD, Devops Tools, DevOps, Continuous Integration, Continuous Delivery, Continuous Deployment, Docker (Software), Containerization, Build Tools, Software Development, Application Deployment, Test Automation, Software Installation
★ 3.5 (35) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ansible, Package and Software Management, YAML, Configuration Management, System Configuration, Linux Administration, Unix, IT Automation, Automation, Web Applications, Unix Shell, Code Reusability, File Management, Cloud Infrastructure, DevOps, User Accounts
★ 4 (29) · Beginner · Course · 1 - 4 Weeks

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

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

Skills you'll gain: Kubernetes, Docker (Software), Containerization, Cloud-Native Computing, Application Deployment, YAML, Devops Tools, Command-Line Interface, Google Cloud Platform, Web Applications, Cloud Infrastructure, Cloud Deployment, Data Persistence, Development Environment, Configuration Management, Virtual Networking, Nginx, Software Installation, MongoDB, Service Management
★ 4.6 (46) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Network Security, Security Software, Software Installation, SQL, Virtual Machines, Data Structures
★ 4.7 (25) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Docker (Software), Containerization, Application Deployment, Command-Line Interface, Development Environment, Nginx, Software Installation, Node.JS, Virtual Machines, React.js
★ 4.6 (34) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Embedded Software, Embedded Systems, Performance Tuning, Hardware Design, Systems Architecture, Systems Design, Hardware Architecture, Software Architecture, System Software, System Design and Implementation, Reliability, System Programming, Real Time Data, Performance Testing, Failure Analysis, System Requirements, Memory Management, Data Integrity, Linux
★ 4.4 (20) · Intermediate · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Ansible, YAML, IT Automation, Network Architecture, Network Administration, General Networking, Automation, System Configuration, Software Documentation, Configuration Management, Python Programming
★ 4.8 (33) · Intermediate · Course · 1 - 4 Weeks