Linux security courses can help you learn system hardening, user access controls, network security protocols, and incident response strategies. You can build skills in configuring firewalls, implementing encryption techniques, and conducting security audits. Many courses introduce tools like iptables for firewall management, OpenSSL for encryption, and Wireshark for network analysis, showing how these skills are applied in practical work to protect systems from vulnerabilities and threats.

Illinois Tech
Skills you'll gain: Cloud-Native Computing, Infrastructure as Code (IaC), Cloud Computing, Terraform, Cloud Storage, Amazon Web Services, Cloud Infrastructure, Cloud Computing Architecture, Amazon S3, Cloud Deployment, Amazon Elastic Compute Cloud, Database Management, Scalability, Virtual Machines, Databases, Virtualization, Command-Line Interface
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Systems Engineering, Verification And Validation, Team Management, Systems Architecture, Requirements Analysis, Requirements Elicitation, Scrum (Software Development), Systems Development Life Cycle, Teamwork, Configuration Management, Team Building, Agile Methodology, Scaled Agile Framework, Team Motivation, Organizational Leadership, Engineering Management, Risk Management, Waterfall Methodology, Lean Methodologies, Leadership and Management
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Software Architecture, Cloud Development
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Software Documentation, Java, Back-End Web Development, Application Programming Interface (API), Secure Coding, Databases, Data Persistence, Dependency Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Cassandra, NoSQL, Data Store, Databases, Database Management Systems, Application Deployment, Database Architecture and Administration, Query Languages, Database Management, Data Storage, System Monitoring, Data Maintenance, Distributed Computing, Application Security, Data Modeling, Data Security, Scalability
Beginner · Course · 1 - 4 Weeks

Institut Mines-Télécom
Skills you'll gain: Cybersecurity, Open Web Application Security Project (OWASP), Application Security, Cyber Attacks, Threat Modeling, Risk Management Framework, Secure Coding, Vulnerability Assessments, SQL
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Cloud Computing Architecture, Cloud Solutions, Google Cloud Platform, Cloud Computing, Cloud Infrastructure, Solution Architecture, Systems Analysis, Cloud Security, Identity and Access Management, Cloud Storage, User Acceptance Testing (UAT), Scalability
Advanced · Course · 1 - 3 Months

Skills you'll gain: CI/CD, Azure DevOps, Infrastructure as Code (IaC), Continuous Integration, Docker (Software), Microsoft Azure, DevOps, Application Deployment, GitHub, Continuous Deployment, Cloud Deployment, Containerization, Git (Version Control System), YAML, Secure Coding, Cloud Computing
Intermediate · Course · 1 - 3 Months

Rutgers the State University of New Jersey
Skills you'll gain: Business Ethics, Responsible AI, Case Studies, Governance, Ethical Standards And Conduct, AI Security, Compliance Management, Artificial Intelligence, Business Management, Regulation and Legal Compliance, Accountability, Information Privacy, Business Strategies, Decision Making, Social Impact, Social Justice
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unix Shell, Unix Commands, Unix, Shell Script, Bash (Scripting Language), Command-Line Interface, Remote Access Systems, Scripting, Systems Administration, Operating System Administration, Linux Commands, File I/O, IT Automation, Linux, User Accounts, File Systems, System Monitoring, Operating Systems, File Management, Performance Tuning
Beginner · Specialization · 1 - 3 Months

Howard University
Skills you'll gain: Cloud Computing, Cloud Deployment, Cloud Security, Virtualization, Digital Transformation, Cloud Services, Cloud Infrastructure, Public Cloud, Business Transformation, Private Cloud, Virtual Machines, Data Centers, Business Technologies
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Spring Boot, Database Design, Object-Relational Mapping, Database Application, Data Modeling, Application Development, Database Architecture and Administration, Requirements Analysis, Data Persistence
Beginner · Guided Project · Less Than 2 Hours