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Virtual Machines

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Operating Systems and You: Becoming a Power User

4.6 (6,247 classificações) | 54K alunos inscritos

Curso 3 de 5 no Suporte de TI do Google Programa de cursos integrados

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In this course -- through a combination of video lectures, demonstrations, and hands-on practice -- you’ll learn about the main components of an operating system and how to perform critical tasks like managing software and users, and configuring hardware. By the end of this course you’ll be able to: ● navigate the Windows and Linux filesystems using a graphical user interface and command line interpreter ● set up users, groups, and permissions for account access ● install, configure, and remove software on the Windows and Linux operating systems ● configure disk partitions and filesystems ● understand how system processes work and how to manage them ● work with system logs and remote connection tools ● utilize operating system knowledge to troubleshoot common issues in an IT Support Specialist role

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Habilidades que você aprenderá

Powershell, Linux File Systems, Linux, Command-Line Interface

Avaliações

4.6 (6,247 classificações)

5 stars
4,646 ratings
4 stars
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3 stars
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2 stars
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1 star
78 ratings

SI

Oct 13, 2018

It took some time to due to lap graded assignments.However finally enjoyed the course specially the remote connection section and Linux and windows operating system files and folders troubleshooting.

TA

Mar 24, 2018

Excellent advice on carving it in a stone and being too stubborn to quit. So much of what is seen is sugar coated instasnap filtered that hearing Leverage your Strengths and work hard is reassuring.

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Operating Systems in Practice

Congratulations, you've made it to the final week in the course! In the last week of this course, we will cover some of the practical aspects of operating systems that you'll use all the time in IT Support. We will cover remote access and how to troubleshoot a computer from afar. We'll explore virtualization tools to manage and remove virtual instances, use logs for system monitoring, and show you a few different techniques for OS deployment. By the end of this module, you will apply all the skills from this course to debug some issues within Windows and Linux OS. Good luck!

Virtual Machines4:02

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Google

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Transcrição

We've talked a little bit about virtual machines before. We've also been using virtual machines throughout the quick lab assessments. In this lesson, you're going to learn how to install, manage and remove a virtual instance. A virtual instance is just a single virtual machine. We're going to be using the popular opensource virtualization software, Virtual Box, to manage virtual instances. You'll find a link to download Virtual Box in the reading right after this lesson. I'm currently using a Windows machine and in this lesson we're going to set up and virtualize an ubuntu instance. I've already installed Virtual Box on my machine. So let's go ahead and launch this application. We won't go through all the menu items from Virtual Box, but we will talk about some of the main ones. First step, how do we install a virtual instance? I've already pre-downloaded an image of ubuntu from their website and saved it onto my desktop but I have to install it somehow. Well, to install this, I'm just going to click this new button here to create a new VM. I'm going to give my VM a name and select the type and version of my OS. Just going to stick with the defaults. Next it asks how much RAM I want to dedicate to this VM. One gigabytes is more than enough for me so I'm just going to keep this and then continue. Now it asks how much hard drive space I want to dedicate to this VM. I'm just going to keep the default of 10 gigabytes and click Create. We're going to keep the default values here and just skip through to the create. Awesome. You can read more about these options in the supplemental reading. Now in my menu here I can click Start and it'll start the VM. It will prompt me to select a media to launch from, similar to booting a USB drive with the OS image on it. So I'm just going to select the image I downloaded. And from, here the installation starts up. That's pretty much it. Okay, what if we decide we want to use more than one gigabyte for the OS? On a physical machine, we'd have to buy more RAM and install it. But since we're using a VM, it's as easy as changing a setting. To modify hardware resource allocation to a VM, all we need to do is right click on the VM then click settings. From here, we'll be able to change how much RAM we want along with other settings. We won't discuss the specifics of these settings, but you can see how simple it is to modify a VM instance. Now, what if we decide we don't want to use this VM anymore? If this is a physical machine, we'd have to worry about where to store or recycle the hardware. For virtual machines though, all we need to do is right click and select remove. From here, it'll ask if we want to remove all files including the VM install itself or just remove it from the list of VMs. Let's go ahead and delete all files. And that's it in a nutshell. Super simple. If you want to learn more about how to use Virtual Box or other virtualization software, don't forget to check out the supplemental reading.

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