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.

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

Skills you'll gain: Package and Software Management, Linux Administration, Command-Line Interface, Linux, Operating System Administration, Linux Commands, Systems Administration, User Accounts, Remote Access Systems, Network Security, grep, Network Administration, General Networking, File Management, System Configuration, Software Installation, File Systems, Data Storage
Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Containerization, Package and Software Management, Software Testing, Docker (Software), Development Environment, Unit Testing, Application Deployment, Scripting, Test Script Development, Development Testing, Devops Tools, Test Automation, IT Automation, Scripting Languages, Integration Testing, DevOps, Software Development Tools, Python Programming, Web Scraping
★ 3.9 (60) · 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

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

Cisco Learning and Certifications
Skills you'll gain: MITRE ATT&CK Framework, Threat Modeling, Cyber Threat Intelligence, Threat Detection, Exploitation techniques, Intrusion Detection and Prevention, Threat Management, Incident Response, Event Monitoring, Computer Security Incident Management, Malware Protection, Network Analysis, Anomaly Detection, Network Security, Network Monitoring, Network Protocols, SQL
★ 4.9 (35) · Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Docker (Software), Azure DevOps, Restful API, Azure DevOps Pipelines, Microservices, Containerization, DevOps, ASP.NET, CI/CD, .NET Framework, Devops Tools, Continuous Integration, Web Services, Continuous Delivery, Application Programming Interface (API), API Design, Test Automation, Application Deployment, Development Testing
★ 4.2 (54) · Advanced · 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

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
Codio
Skills you'll gain: Infrastructure as Code (IaC), Terraform, Docker (Software), Kubernetes, Program Development, Ansible, Containerization, Ubuntu, Cloud Management, Cloud Platforms, Cloud Deployment, Application Deployment, Firewall, Infrastructure As A Service (IaaS), Security Controls, Cloud Infrastructure, Unix, Development Environment, Amazon Web Services, IT Automation
★ 3.1 (38) · Beginner · 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

Packt
Skills you'll gain: Package and Software Management, Linux Administration, Shell Script, Ubuntu, User Accounts, Linux, Devops Tools, Linux Servers, grep, Linux Commands, Red Hat Enterprise Linux, Bash (Scripting Language), Kubernetes, Command-Line Interface, Network Troubleshooting, Containerization, Ansible, File Systems, Application Deployment, Authentications
★ 4.6 (31) · Intermediate · Specialization · 1 - 3 Months