
EDUCBA
Skills you'll gain: Remote Access Systems, Command-Line Interface, System Monitoring, Unix Commands, User Accounts, Linux, Linux Administration, Shell Script, Linux Commands, Operating System Administration, Systems Administration, Software Installation, File Systems, System Configuration, Data Sharing, Security Controls, Operating Systems, File Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Metasploit, Penetration Testing, Exploitation techniques, Database Management, Vulnerability Assessments, Cyber Security Assessment, Brute-force attacks, Cryptography, Vulnerability Scanning, Intrusion Detection and Prevention, Data Import/Export, MySQL, Cybersecurity, Malware Protection, Encryption, Mobile Security, Network Security, Linux, Linux Administration
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Linux, Linux Commands, Ubuntu, Linux Administration, File Management, Command-Line Interface, Servers, Operating Systems, Web Servers, IT Automation, MySQL, Open Source Technology, Service Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: System Support, System Configuration, Computer Literacy, System Requirements, General Networking, Computer Security Awareness Training
Beginner · Course · 1 - 3 Months

Skills you'll gain: Linux Administration, Ubuntu, Lightweight Directory Access Protocols, File Systems, Linux, Linux Commands, Bash (Scripting Language), Linux Servers, Firewall, Virtual Machines, Package and Software Management, Virtualization, Remote Access Systems, Unix, File Management, Operating System Administration, Unix Shell, Shell Script, Containerization, Git (Version Control System)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Linux, Linux Administration, Linux Commands, Linux Servers, Shell Script, Unix, Unix Shell, Systems Administration, Unix Commands, Command-Line Interface, Patch Management, Scripting Languages, Package and Software Management, Virtualization and Virtual Machines, File Systems, File Management, Data Storage, Security Controls, User Accounts, Authorization (Computing)
Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Package and Software Management, Linux Administration, Linux, Linux Commands, Virtual Private Networks (VPN), System Monitoring, Operating System Administration, Public Key Infrastructure, Ubuntu, Version Control, File Management, Command-Line Interface, Linux Servers, Intrusion Detection and Prevention, Git (Version Control System), File Systems, User Accounts, Firewall, Cloud Computing Architecture, DevOps
Beginner · Specialization · 3 - 6 Months

Pearson
Skills you'll gain: File Management, Firewall, Linux Administration, Ubuntu, Hardening, Linux Servers, OS Process Management, Linux, Authentications, Zero Trust Network Access, Remote Access Systems, Data Security, User Accounts, Network Security, Linux Commands, Application Security, Security Strategy, Operating System Administration, Information Systems Security, IT Security Architecture
Intermediate · Specialization · 1 - 4 Weeks

The Linux Foundation
Skills you'll gain: Package and Software Management, Open Source Technology, Git (Version Control System), Linux, Command-Line Interface, Bash (Scripting Language), File Systems, Unix Commands, GitHub, Linux Administration, Version Control, Linux Commands, User Accounts, CI/CD, Shell Script, System Configuration, Collaborative Software, Scripting, Software Development Tools, Software Versioning
Beginner · Specialization · 3 - 6 Months

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

Packt
Skills you'll gain: Package and Software Management, Linux Administration, Shell Script, Ubuntu, User Accounts, Linux, Unix Shell, Linux Servers, Linux Commands, Unix, Red Hat Enterprise Linux, Bash (Scripting Language), Kubernetes, Command-Line Interface, Network Troubleshooting, Containerization, Ansible, File Systems, Application Deployment, Authentications
Intermediate · Specialization · 1 - 3 Months

Infosec
Skills you'll gain: Linux Administration, Version Control, Linux, Git (Version Control System), Linux Commands, Network Troubleshooting, Operating System Administration, Bash (Scripting Language), Systems Administration, Scripting, Shell Script, User Accounts, System Configuration, Unix Shell, Network Administration, Network Performance Management, Hardware Troubleshooting, File Management, Unix Commands, General Networking
Intermediate · Course · 1 - 3 Months