Coursera
Skills you'll gain: Bash (Scripting Language), Shell Script, Scripting, Command-Line Interface, Unix Shell, Scripting Languages, IT Automation, Unix, Linux, File I/O, File Management
★ 4.5 (63) · Intermediate · Guided Project · Less Than 2 Hours

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

EDUCBA
Skills you'll gain: Unix Shell, Shell Script, Bash (Scripting Language), Unix Commands, Unix, Scripting, Scripting Languages, Command-Line Interface, File I/O, File Systems, Programming Principles, Computer Programming
★ 5 (12) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Command-Line Interface, Linux, Package and Software Management, Linux Administration, File Management, Operating System Administration, Linux Commands, Systems Administration, File Systems, Open Source Technology, System Configuration, Software Installation, Operating Systems, Virtualization, User Interface (UI)
★ 4.7 (22) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Linux, User Accounts, Identity and Access Management, Authentications, Virtual Machines, Authorization (Computing), Virtualization, Operating System Administration, Security Controls, System Configuration, Virtual Environment, Command-Line Interface, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Package and Software Management, Linux Administration, Command-Line Interface, Linux, Operating System Administration, Linux Commands, Systems Administration, User Accounts, Remote Access Systems, Network Security, grep, Network Administration, General Networking, File Management, System Configuration, Software Installation, File Systems, Data Storage
Mixed · Course · 1 - 3 Months

Packt
Skills you'll gain: Linux Administration, Linux Servers, Operating System Administration, Cloud Hosting, Infrastructure Architecture, Cloud Platforms, Cloud Engineering, Virtualization and Virtual Machines, Virtual Networking, Cloud Deployment, Data Storage
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Servers, Linux Commands, Network Administration, Cryptography, User Accounts, Key Management, Brute-force attacks
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Scripting Languages, IT Automation, grep
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Bash (Scripting Language), Systems Administration, Shell Script, Linux Commands, Linux Administration, Unix Shell, Linux, Unix, Scripting, Scripting Languages, IT Automation, File I/O
★ 4.2 (31) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Linux Commands, Command-Line Interface, Unix Commands, Linux, Linux Servers, Linux Administration, Unix, grep, File Systems, File Management
★ 4.6 (9) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Amazon Elastic Compute Cloud, Amazon Web Services, Application Deployment, Virtual Machines, Web Applications, Cloud Hosting, Public Cloud, Linux Servers, Apache, Remote Access Systems
★ 4.6 (53) · Beginner · Guided Project · Less Than 2 Hours