
Pearson
Skills you'll gain: System Programming, Rust (Programming Language), Data Structures, Relational Databases, Other Programming Languages, Databases, Debugging, Programming Principles, Application Development, Secure Coding, SQL, Object Oriented Programming (OOP), C++ (Programming Language), Interoperability, Software Development, File I/O, Command-Line Interface, Data Import/Export
Beginner · Specialization · 1 - 3 Months

Whizlabs
Skills you'll gain: Infrastructure as Code (IaC), IT Automation, Command-Line Interface, Docker (Software), Automation, System Configuration, YAML, Systems Administration, Configuration Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Metasploit, Penetration Testing, Exploitation techniques, Brute-force attacks, Cyber Security Assessment, Intrusion Detection and Prevention, Network Security, Remote Access Systems, Network Protocols, Command-Line Interface, Network Analysis
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Jenkins, CI/CD, Apache Tomcat, Apache Maven, Docker (Software), Continuous Integration, Application Lifecycle Management, Shell Script, Continuous Deployment, Application Deployment, DevOps, Continuous Delivery, Command-Line Interface, Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Operating System Administration, Local Area Networks, Software Installation, Command-Line Interface, Microsoft Windows, System Configuration, System Support, Desktop Support, TCP/IP, Linux, General Networking, Patch Management, Operating Systems, User Accounts, Network Routers, System Monitoring, Hardware Troubleshooting, Network Troubleshooting, Mac OS, Network Security
Intermediate · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Software Installation, Application Development, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unix, Unix Commands, Shell Script, Bash (Scripting Language), Operating System Administration, Linux, File Systems, Operating Systems, Command-Line Interface, Performance Tuning, System Monitoring, System Programming, File Management, OS Process Management, System Configuration
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Linux, Linux Administration, Linux Commands, File Management, User Accounts, OS Process Management, Unix Shell, Command-Line Interface, General Networking, Shell Script, Operating Systems, Scripting, System Monitoring
Intermediate · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Package and Software Management, File Systems, File Management, Linux Administration, Unix, Linux Commands, Unix Commands, Command-Line Interface, Operating Systems, System Monitoring, Open Source Technology, User Accounts, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Spark, Apache Hadoop, Data Lakes, Big Data, Linux Commands, File Systems, Data Management, Command-Line Interface, Data Processing, Software Installation, Distributed Computing, System Configuration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Commands, Linux Administration, Network Troubleshooting, Linux, Network Administration, File Transfer Protocol (FTP), Virtual Networking, TCP/IP, Network Infrastructure, Network Protocols, Command-Line Interface, System Configuration, Virtualization, General Networking, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, File Systems, Linux, File Management, Firewall, Remote Access Systems, Network Troubleshooting, Command-Line Interface, Unix Commands, System Support, Virtual Machines, Scripting
Intermediate · Course · 1 - 4 Weeks