Skills you'll gain: Application Security, OAuth, Data Validation, Authentications, Security Testing, Secure Coding, Web Applications, Authorization (Computing), Vulnerability Scanning, Cyber Attacks, Distributed Denial-Of-Service (DDoS) Attacks, Server Side, Security Strategy
Intermediate · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Virtualization, Dynamic Host Configuration Protocol (DHCP), Virtualization and Virtual Machines, Linux Administration, Linux Servers, Network Administration, Virtual Machines, Linux, Network Architecture, Information Technology, Virtual Environment, System Configuration, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Version Control, Git (Version Control System), Linux, Cloud Computing Architecture, DevOps, Virtualization, Cloud Computing, Cloud Infrastructure, Containerization, Infrastructure As A Service (IaaS), Software As A Service, Virtual Networking, Virtual Machines, Platform As A Service (PaaS)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ubuntu, Operating System Administration, TCP/IP, Security Controls, Service Management, File Management, SQL
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Command-Line Interface, Linux, Ubuntu, Linux Administration, Linux Commands, Unix Commands, Operating System Administration, Unix, Software Installation, Red Hat Enterprise Linux, System Configuration, Network Troubleshooting, User Accounts, Networking Hardware, Network Support, File Systems, Open Source Technology, File Management, Package and Software Management, Computing Platforms
Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache, File Transfer Protocol (FTP), Linux Servers, Linux Administration, Linux, Web Servers, Remote Access Systems, Command-Line Interface, Unix Commands, File Management, Network Protocols, Network Performance Management, Security Controls
Intermediate · Course · 1 - 4 Weeks

Mixed · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Firewall, Network Security, Intrusion Detection and Prevention, Information Systems Security, Security Controls, Network Monitoring, Threat Detection, Linux Administration, Linux
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Servers, Linux Administration, Command-Line Interface, Bash (Scripting Language), Apache, Performance Tuning, Operating System Administration, Linux Commands, Web Servers, Server Administration, System Monitoring, Virtualization, Network Administration, Virtual Machines, System Configuration, File Management, Software Installation, Package and Software Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Exploitation techniques, Network Security, Intrusion Detection and Prevention, Local Area Networks, Threat Detection, General Networking, Linux, Linux Administration, Virtual Machines, Network Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Cyber Security Assessment, Vulnerability Scanning, Cybersecurity, Vulnerability Assessments, Network Analysis, Exploitation techniques, Linux, Virtual Machines, Operating Systems
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Package and Software Management, Linux Administration, File Systems, Linux, User Accounts, Operating System Administration, Linux Commands, User Provisioning, Unix, Bash (Scripting Language), Systems Administration, File Management, TCP/IP, Unix Shell, Data Storage, Unix Commands, Software Installation, General Networking, Command-Line Interface, IBM Cloud
Advanced · Course · 1 - 3 Months