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Network & Systems Admin

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25 courses for 'Network & Systems Admin'
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Setting Up a Virtual Machine 1h 21m • 25 Lessons • Beginner In this course, you will build basic skills by installing and configuring virtual machines. We will also explore cloud technologies, vulnerability management, and patch management. By the end of this course, you will be able to effectively work with virtualization in your organization.
Setting Up a Virtual Machine: Introduction 10m • 4 Lessons • Beginner In these lessons, you will learn about virtualization technologies, types of hypervisors, primary virtualization vendors, and virtualization versus cloud. We will discuss who the primary cloud vendors are, while also covering the pros and cons of virtualization.
Setting Up a Virtual Machine: Local Virtualization 32m • 6 Lessons • Beginner In these lessons, you will learn about local virtualization and take a tour of Oracle VirtualBox. We will then install Windows 10 Pro in a virtual machine inside VirtualBox. To give you a variety of experience, we will also install Kali Linux in VMware Workstation Player and Windows Server in VMware Workstation Pro.
Setting Up a Virtual Machine: Cloud 20m • 5 Lessons • Beginner A key point in virtualization is cloud. Cloud encompasses virtual machines and much more. In these lessons, we will discuss some of the larger and smaller cloud providers, and then we will set up virtual machines in those providers.
Setting Up a Virtual Machine: Security 5m • 3 Lessons • Beginner Security is no longer just for physical assets. Cybersecurity affects every organization, from the largest ones down to the smallest. With virtualization at the core of many organizations’ IT structures, security is paramount. In these lessons, you will learn tips and techniques to keep both hypervisors and virtual machines secure.
Setting Up a Virtual Machine: Challenges and Termination 10m • 5 Lessons • Beginner In these lessons, you will learn about vulnerability management, patch management, and using virtual machines as test and lab devices. Every organization that utilizes virtual machines should implement vulnerability assessments.
Linux: Ubuntu 2h 15m • 37 Lessons • Essential In this course, you will learn how to install and manage a Linux Ubuntu Server. We will explore the downloading and installing of the operating system, managing users, groups, and files, and securing the Ubuntu Server. By the end of this course, you will be able to perform the majority of the basic functions needed to operate a Linux Ubuntu Server.
Linux: Ubuntu: Installing Ubuntu 11m • 3 Lessons • Essential This course will explore the minimum system hardware requirements needed to install the Ubuntu Server operating system. You will also learn where you can download the software and the different options for downloading the operating system image file. You will be shown the steps to install the operating system. If you want to run the Ubuntu Server with a GUI interface, we will show you how to install the GUI interface on your server.
Linux: Ubuntu: Working With Ubuntu 18m • 4 Lessons • Essential In this course on Working With Ubuntu, you will learn different commands that you can use to find information on your system’s hardware and network settings. You will also learn keyboard shortcuts for the terminal that make tasks easier to accomplish. There are times when applications become unresponsive, and you will learn how to stop unresponsive applications in this course.
Linux: Ubuntu: Working With Files 13m • 4 Lessons • Essential This course will show you how to handle files on your Ubuntu Server. You will learn about the tools that you can use to modify text files through the terminal. You will learn of the importance of file permissions and how to see and modify them for users, owners, and groups. The module will demonstrate how to move, delete, copy, and rename files.
Linux: Ubuntu: Using the Terminals 10m • 3 Lessons • Essential In this course on using Ubuntu terminals, we will show you the different ways of accessing the terminal when there is a GUI interface installed. You will learn how to make changes to the terminal window settings like the background color of the terminal window and the color and size of the font. You will also learn some of the commands used for troubleshooting various issues through the terminal.
Linux: Ubuntu: Managing Users and Groups 20m • 6 Lessons • Essential In this Managing Users and Groups course, you will learn how to add new user accounts as well as modify and remove established accounts. You will learn the importance of passwd and shadow files. The module will demonstrate how to access both files and what can be changed in the passwd and shadow files to change account information. You will also learn the purpose of groups in Ubuntu Server with how to manage different groups and their permissions.
Linux: Ubuntu: Managing Software 11m • 4 Lessons • Essential In this Ubuntu software management course, you will learn the importance of the APT command as a tool for managing package dependencies on your server. You will learn how to use the APT command to install, remove, and update software packages on your Ubuntu Server. You will also learn about package repositories and how to add new repositories to your server as well as how to remove a repository.
Linux: Ubuntu: Configuring Remote Access 16m • 4 Lessons • Essential In this Configuring Remote Access course, you will learn how to set up SSH on your server to be accessed remotely. We will show you how to secure your remote connections with two-factor authentication using the Google authenticator on your mobile device. You will also learn how to set up key-based authentication to be able to remotely access your server without the need of a password.
Linux: Ubuntu: Bash Scripting 16m • 4 Lessons • Essential In this Bash Scripting course, you will learn the difference between programming and scripting. This course will explain what Bash is and how to use it to create scripts that automate tasks. You will learn about the file format for Bash scripts and what needs to be included in your Bash scripts. You will learn to use ShellCheck to check for errors in your script and ensure scripts will run as intended.
Linux: Ubuntu: Securing the Server 15m • 3 Lessons • Essential In this course on Securing the Server, you will learn how to discover what services are running on your system and how to close unneeded services to harden your Ubuntu Server. This lesson will describe the Fail2ban intrusion prevention software and how to use it. You will learn how to find the permissions for sudo users and how to adjust those permissions for users and groups that limit what they can do.
Learning Network Troubleshooting 1h 58m • 26 Lessons • Intermediate In this Network Troubleshooting course, you will learn how to troubleshoot a network physically and logically. You will understand how to fix common network issues and various methods of hardware issues.
Methodologies and Approaches 14m • 3 Lessons • Intermediate This course will teach you three common troubleshooting approaches and the OSI model. Each troubleshooting approach will include an example of how it is applied in real life. These examples will pertain to an application not working correctly, and how troubleshooting methods are used to systematically diagnose and resolve it.
Identifying Common Network Issues 13m • 3 Lessons • Intermediate This course will give you a brief overview of routing, wiring, and certificate issues. You will learn to look for small details that could cause problems in your configuration. We’ll also go over the importance of having an organized data center, along with web applications and how they relate to certificates.
Network Cable Issues 7m • 3 Lessons • Intermediate In this course, you will learn about cables and how they relate to your network connectivity. You’ll learn about the various types of wires available to you and what they’re made from. You will also learn about the limitations of cable lengths and some of the unexpected issues that can sometimes happen to network cables.
Desktop Connectivity Issues 14m • 3 Lessons • Intermediate In this course, you will learn about common networking issues that can happen with wired desktops. You will learn about IP subnetting and how it can impact connectivity with other devices. Because of subnetting, we will be discussing routing as well—you will also learn what causes intermittent connectivity, whether it’s a physical problem or a logical one.
Wireless Connectivity Issues 15m • 3 Lessons • Intermediate In this course, you will learn about issues that can occur when using wireless devices. We’ll discuss the features and different types of 802.11 technology and some limitations of wireless devices and their surroundings. You’ll also get a detailed overview of wireless authentication and some of the potential complications with using it.
Network Hardware Issues 14m • 3 Lessons • Intermediate In this course, you will learn about the different network layers—L1, L2, and L3—and what sorts of network connectivity problems each layer might experience. From there we’ll cover MAC addressing and how it relates to your IP address. You will also learn about network interface cards and how to link to your network access, with a brief overview of routing and connecting to various sites from your computer.
Network Software Issues 16m • 3 Lessons • Intermediate In this course, you will learn about how logical components of applications can affect network connectivity. We will discuss SSL certificates and how they affect different web applications and websites, as well as how to download certificates, identify bad certificates, and determine where to find new certificates.
Tools 18m • 3 Lessons • Intermediate In this course, you will learn about various tools to help you support your network. There will be an overview of several built-in Windows tools. You’ll learn what NetFlow is and the benefits it can provide to network sustainability. We will discuss in-depth how to use NetFlow in the troubleshooting process. We will also touch upon what vendors can offer for additional NetFlow support.
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