
LearnQuest
Skills you'll gain: Virtual Private Networks (VPN), Linux Administration, Public Key Infrastructure, Linux, Linux Servers, Intrusion Detection and Prevention, Firewall, Remote Access Systems, Operating System Administration, Authentications, Authorization (Computing), Network Security, Security Controls, Infrastructure Security, Identity and Access Management, System Monitoring, File Management, Systems Administration, Cybersecurity, Information Technology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Exploitation techniques, Brute-force attacks, Cyber Security Assessment, Vulnerability Assessments, Authentications, Wireless Networks, Network Security, Linux, Encryption, Microsoft Windows, Cryptography, Operating Systems
Mixed · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Package and Software Management, Command-Line Interface, Ubuntu, Linux, Linux Administration, Linux Commands, Red Hat Enterprise Linux, Unix Commands, File Systems, Software Installation, Operating System Administration, File Management, Virtual Environment, Open Source Technology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Linux, System Configuration, Operating System Administration, Systems Administration, File Systems, Virtualization, File Management, Virtual Machines, Information Technology, Data Storage Technologies, Technical Communication
Advanced · Course · 1 - 3 Months