
Skills you'll gain: Hardening, Linux Administration, System Monitoring, Linux Commands, Performance Tuning, Linux, Systems Administration, File Management, Network Troubleshooting, Command-Line Interface, Hardware Troubleshooting, Memory Management, Debugging, Service Management, User Accounts, OS Process Management
★ 4.5 (6) · Advanced · Course · 1 - 4 Weeks

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

Skills you'll gain: Software Testing, Business Logic, Test Tools, Cryptography, Cybersecurity, Identity and Access Management, Authentications, Vulnerability Assessments, Encryption, Data Validation, Network Protocols
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Penetration Testing, Exploit development, Exploitation techniques, Security Testing, Unix, Cyber Operations, Computer Security, Unix Commands, Unix Shell, System Programming, Shell Script, Linux, Debugging, Memory Management, Remote Access Systems, Authentications
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Linux, Scripting, Linux Administration, Linux Commands, Scripting Languages, Operating System Administration, Data Persistence, Bash (Scripting Language), Shell Script, Unix Shell, Systems Administration, IT Automation, Software Installation, Data Store, Command-Line Interface, Cloud Hosting, Object-Relational Mapping, YAML, System Programming, Python Programming
★ 4.8 (47) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Data Maintenance, Operating System Administration, Linux Commands, iSCSI Configuration, Network Engineering, File Management, System Software, Software Installation, Encryption
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Application Security, OAuth, Data Validation, Authentications, Secure Coding, Identity and Access Management, Web Applications, Authorization (Computing), Cyber Attacks, Distributed Denial-Of-Service (DDoS) Attacks, Data Integrity, Server Side, Security Strategy, Package and Software Management, Patch Management
★ 4.9 (17) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Vulnerability Scanning, Network Security, Penetration Testing, Configuration Management, System Configuration, Firewall, Linux Commands, Servers, Command-Line Interface, TCP/IP, Network Analysis, Software Versioning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Exploit development, Exploitation techniques, Security Testing, Brute-force attacks, Vulnerability Assessments, Authentications, Wireless Networks, Network Security, Linux, Encryption, Microsoft Windows, Network Analysis, Data Persistence
Mixed · Course · 1 - 4 Weeks

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

Packt
Skills you'll gain: Security Testing, Cybersecurity, Network Security, Vulnerability Scanning, Brute-force attacks, Server Side, TCP/IP, Network Monitoring, Vulnerability Assessments, Servers, Network Analysis, Network Protocols, Program Development
Intermediate · Course · 1 - 3 Months

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