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.

Skills you'll gain: AWS Identity and Access Management (IAM), Linux Administration, Amazon Elastic Compute Cloud, Linux Servers, Identity and Access Management, Cloud Infrastructure, Amazon Web Services, Cloud Hosting, Cloud Computing, Front-End Web Development, Cloud Management, Linux, Ubuntu, Operating System Administration, Application Deployment, React.js, Event-Driven Programming, Javascript, User Interface (UI), Apache
Intermediate · Specialization · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Big Data, Apache Spark, Data Storage Technologies, Apache Hadoop, Distributed Computing, Data Storage, Data Processing, NoSQL, Apache Kafka, Cloud Computing, Real Time Data, Databases, Analytics, Deep Learning, Scalability, Machine Learning Algorithms, Graph Theory, Machine Learning, Live Streaming
Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Linux, Linux Administration, Linux Servers, Linux Commands, Operating System Administration, Systems Administration, Virtualization, Cloud Computing, Display Devices, Cybersecurity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Security, Information Management, Security Controls, Configuration Management, Security Engineering, Vulnerability Assessments, Security Requirements Analysis, Cloud Security, Software Development Life Cycle, Cloud Computing, System Implementation, Program Development, Change Control
Intermediate · Course · 1 - 4 Weeks

SkillUp
Skills you'll gain: Data Storytelling, Dashboard, Power BI, Data Visualization, Interactive Data Visualization, Analytics, Data Analysis, Data Modeling, Data Visualization Software, Data Analysis Expressions (DAX), Star Schema, Data Cleansing, Data Transformation, Data Import/Export, Data Security
Beginner · Course · 1 - 4 Weeks

The University of Melbourne
Skills you'll gain: Financial Systems, Capital Markets, Market Liquidity, Financial Market, Corporate Finance, International Finance, Financial Regulation, Market Dynamics, Market Analysis, Governance, Risk Management, Economic Development
Mixed · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: MySQL, Bash (Scripting Language), Scripting, Database Management, Relational Databases, Command-Line Interface, SQL, Databases, Data Import/Export, Database Application, Data Pipelines, Data Manipulation, Python Programming, Linux
Beginner · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Local Area Networks, Network Protocols, Computer Networking, TCP/IP, Network Performance Management, OSI Models, Wireless Networks, Telecommunications, Network Analysis, Data Integrity
Mixed · Course · 1 - 3 Months

Skills you'll gain: Cyber Operations, Cybersecurity, Authentications, Python Programming, Data Access, Network Security, System Monitoring, Network Protocols
Mixed · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Cloud-Native Computing, Cloud Computing, Amazon Web Services, Infrastructure as Code (IaC), Cloud Computing Architecture, Cloud Storage, Cloud Infrastructure, Amazon S3, Scalability, Terraform, Infrastructure As A Service (IaaS), Database Management, Command-Line Interface, Virtualization, Linux Administration
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Analysis, Network Security, Cyber Operations, Intrusion Detection and Prevention, MITRE ATT&CK Framework, Cybersecurity, Threat Detection, Network Monitoring, Penetration Testing, Anomaly Detection, Scripting, Network Protocols, Authentications, Vulnerability Assessments, Python Programming, Data Access, System Monitoring, Automation
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Threat Modeling, Cloud Security, Internet Of Things, Infrastructure Security, Vulnerability Management, Information Systems Security, Incident Response, Identity and Access Management, Security Engineering, Threat Management, Penetration Testing, Network Security, Security Controls, Cloud Computing, Cloud Computing Architecture, Threat Detection, Authentications, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks