
Coursera
Skills you'll gain: Linux Commands, Unix Commands, Linux, Command-Line Interface, Linux Administration, OS Process Management, Unix, Ubuntu, System Monitoring, File Transfer Protocol (FTP), File Management
★ 4.7 (38) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Linux Commands, Linux, Command-Line Interface, File Management, Unix Shell, Linux Administration, Package and Software Management, DevOps
★ 4.5 (160) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Linux Administration, Linux, Linux Commands, Operating System Administration, Systems Administration, System Testing, Command-Line Interface, System Configuration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Shell Script, Bash (Scripting Language), Linux Commands, Unix Shell, Linux, Scripting, Linux Servers, Unix Commands, Unix, Scripting Languages, Debugging, Code Reusability, Command-Line Interface, File I/O, Programming Principles
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Linux, Ubuntu, Linux Administration, Linux Servers, General Networking, Memory Management, Linux Commands, OS Process Management, Firewall, File Systems, Bash (Scripting Language), Network Security, Command-Line Interface, File Management, Unix Shell, Operating Systems, Systems Administration, Virtualization, Virtual Environment, Virtualization and Virtual Machines
Beginner · Course · 1 - 3 Months

Skills you'll gain: Linux Administration, Linux Servers, Red Hat Enterprise Linux, Linux, Operating System Administration, IBM Cloud, Linux Commands, Virtualization, Systems Administration, Virtualization and Virtual Machines, Virtual Machines, Cloud Infrastructure, Cloud Computing, System Monitoring, Software Installation, System Configuration, Private Cloud, Remote Access Systems, Package and Software Management
★ 4.6 (137) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Command-Line Interface, Unix Shell, Unix Commands, Unix, Linux, File Management, Linux Commands, File Systems, File I/O, Systems Architecture
★ 4.9 (15) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Vulnerability Assessments, Cyber Security Assessment, Exploitation techniques, Malware Protection, Security Testing, Mobile Security, Test Script Development, Scripting, Android (Operating System), Human Factors (Security), Scripting Languages, Authentications, Network Analysis, Automation, Virtual Networking, Virtual Environment
★ 4.8 (13) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Docker (Software), Containerization, Linux, Devops Tools, Network Troubleshooting, Linux Servers, Linux Commands, Ansible, Kubernetes, Infrastructure as Code (IaC), Operating System Administration, Network Monitoring, Network Administration, System Configuration, Remote Access Systems, Multi-Factor Authentication, Network Protocols, Network Security, Hardening
★ 4.8 (10) · Advanced · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Remote Access Systems, Command-Line Interface, System Monitoring, Unix Commands, User Accounts, Unix Shell, Linux, Linux Administration, Shell Script, Linux Commands, User Provisioning, Operating System Administration, Linux Servers, Network Security, Systems Administration, Software Installation, File Systems, System Configuration, Data Sharing, Operating Systems
★ 4.8 (24) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linux, Authentications, Remote Access Systems, Linux Administration, User Accounts, Linux Commands, User Provisioning, Operating System Administration, Authorization (Computing), Identity and Access Management, Security Controls, System Configuration, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Command-Line Interface, Linux Commands, Linux, Embedded Systems, Linux Servers, Computer Engineering, File Systems, Unix, Operating Systems, C (Programming Language), File Management, Memory Management, Computer Programming Tools, Computer Programming, Open Source Technology, OS Process Management
★ 4.7 (35) · Beginner · Course · 1 - 3 Months