
Pearson
Skills you'll gain: File Management, Firewall, Linux Administration, Ubuntu, Hardening, File Systems, OS Process Management, Linux, Authentications, Zero Trust Network Access, Linux Servers, Remote Access Systems, Data Security, Authorization (Computing), User Accounts, Network Security, Linux Commands, User Provisioning, Operating System Administration, IT Security Architecture
★ 4.5 (6) · Intermediate · Specialization · 1 - 4 Weeks

Packt
Skills you'll gain: Hardening, Remote Access Systems, Linux Servers, Linux Administration, Linux, Linux Commands, Authentications, Security Controls, Cryptographic Protocols, Key Management, Public Key Infrastructure, Package and Software Management, Software Installation
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Compliance Reporting, Governance, Governance Risk Management and Compliance, Compliance Management, Role-Based Access Control (RBAC), Project Management, Data Governance, Security Controls, Compliance Auditing, Project Management Software, Auditing, Identity and Access Management, User Provisioning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unix Shell, Shell Script, Bash (Scripting Language), Unix Commands, Command-Line Interface, Unix, Network Protocols, Network Troubleshooting, Scripting, TCP/IP, Linux, OS Process Management, File Management, Scripting Languages, General Networking, File Transfer Protocol (FTP), Network Administration, Linux Commands, File Systems, grep
★ 4.9 (53) · Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Red Hat Enterprise Linux, Linux Administration, Operating System Administration, Linux Servers, Hardening, Linux, Package and Software Management, Systems Administration, System Configuration, Linux Commands, System Monitoring, Servers, Security Controls, User Provisioning, Patch Management, Network Performance Management, Computer Security, Firewall, Cyber Security Assessment, Network Infrastructure
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Bash (Scripting Language), Shell Script, Linux, Scripting, Linux Commands, Linux Administration, Unix Shell, Scripting Languages, Operating System Administration, Data Persistence, Systems Administration, Command-Line Interface, IT Automation, Software Installation, Data Store, Linux Servers, Cloud Hosting, Object-Relational Mapping, YAML, Automation
★ 4.8 (48) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Apache, Network Troubleshooting, OSI Models, File Transfer Protocol (FTP), Linux Administration, Linux Servers, TCP/IP, Network Protocols, Linux Commands, Systems Analysis, Linux, Dynamic Host Configuration Protocol (DHCP), Virtual Networking, Network Analysis, General Networking, Virtual Machines, Web Servers, Network Administration, Computer Networking, Unix Shell
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Incident Management, Remote Access Systems, Incident Response, Security Management, Data Security, Vulnerability Assessments, Law, Regulation, and Compliance, Threat Detection, Computer Security Incident Management, Security Strategy, Cybersecurity, Cyber Security Assessment, Security Software, Vulnerability Management, Computer Security Awareness Training, Telecommuting, Infrastructure Security, Cyber Security Policies, Continuous Monitoring
★ 4.9 (8) · Beginner · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: Bitbucket, Git (Version Control System), Version Control, GitLab, Collaborative Software, Software Development Tools, Software Versioning, Command-Line Interface
★ 4.5 (12) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: TCP/IP, Network Protocols, Routing Protocols, Dynamic Host Configuration Protocol (DHCP), Network Security, Network Routing, Software-Defined Networking, Virtualization
★ 4.7 (755) · Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Security Controls, Multi-Factor Authentication, Security Management, Authorization (Computing), User Accounts, Content Management Systems, User Provisioning, Identity and Access Management, Data Security, Authentications, Data Management, Data Access, IT Security Architecture, Encryption
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Network Security, Virtual Private Networks (VPN), Authentications, Firewall, Authorization (Computing), Computer Security, Remote Access Systems, Cybersecurity, General Networking, Network Monitoring, Security Controls, IT Automation, Software-Defined Networking, Wireless Networks, Dynamic Host Configuration Protocol (DHCP), Virtual Local Area Network (VLAN), Automation, Network Routing, Encryption, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months