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All right guys.

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Now you understand the main idea behind using your dollar machines and it is that every doll machine

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has its own guest operating system.

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That of course may differ from under a lion operating system that is used on Main Computer where your

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doll machines are running and also usually every beautiful machine has its own dedicated resources like

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the Dickey the amount of memory the decayed the sippy use and dedicated disk space.

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And no let me do for you quick demo and show you how I personally use your doll machines for development

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and for recording of those courses.

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All right I use wheelbarrow fuels.

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It is hyper of user for Mac OS and basically at the end of a previous lecture I have shown you that

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I currently run three different machines Mac OS or wound to end windows.

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Of course usually I don't run those of you little machines in parallel and sometimes I stop to help

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them and run on the single.

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For example Mac OS or when I need for example Windows little machine I start to eat and stop macros

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but it is of course possible to run all of them simultaneously but I'll show you just in the moment

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of what will happen if I'll start all of them simultaneously.

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My Mac.

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Also we'll be actually almost out of memory.

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All right.

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Let me go to this page where I have actually least of your dole machines that I'm currently running.

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It is Mac also gain windows and or born to and look me.

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We could demonstrate your settings for example of this Mac or your dole machine.

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Go to settings and The here goal for example two processors and memory and you'll see that this particular

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of your dole machine has a dual process of course assigned and also it has eight gigabytes of RAM.

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There are also advanced options like enable hyper user applications in this machine enable called profiling

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applications and so on with this option for example I am able to create virtual machines inside of this

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make most of your adult machine all right let's go back for example to configuration of disk and here

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you see that I have assigned to 46 gigabytes of disk storage to this particular digital machine and

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all files for this particular review machine are stored in this DMD gay file.

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Let me actually quickly go to this BMD gay file and so its structure and basically accept this IBM to

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file.

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There are a bunch of other files.

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Let me show and find finder files for this.

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Michael's audio machine show package contents.

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And here you may see at least of files for this particular audio machine.

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And basically there are a bunch of different configuration files cache files log files and so on.

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But the main files are here.

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This VM decay file and this one actually I am running here.

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Catalina Mac also operating system and it actually uses two different disk drives one for operating

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system and second for remaining files.

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And this way here I see two different vindictive files.

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Also it is possible to create the so-called snapshots of your machine and you'll see that the delta

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is single snapshot that actually also takes some amount of this size.

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It is almost 9 gigabytes in size.

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It is possible to create multiple snapshots and go back to a particular moment in time using snapshots.

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All right.

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That's how disk looks like for this particular digital machine.

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And total size of Mac OS your dollar machine is 65 gigabytes.

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It is of course larger than specified here in settings.

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Let me go to settings back and actually again limited that will set for these several dollar machine

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is 46 gigabytes.

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All right.

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Let me also show you other settings like network adapter you are able to add multiple adapters if you

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want but here you see option share with my Mac.

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And in such case the adult machine will share IP address of my main computer.

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Next you are also able to set the same configuration parameters for display and so on.

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All right that's settings for this particular bill machine.

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I could also quick to show your settings for these the windows of your machine and I have configured

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for it for gigabytes of RAM and also to process our calls.

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All right.

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But now let me demonstrate to you how many resources are actually used at the moment at my main computer.

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And for that let me open up activity monitor and go to memory here and filter by we own barrow and actually

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you'll see main view of our fusion process.

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Here it is.

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It takes almost 300 megabytes of frame but also you'll see three different on where the mix process

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is.

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This one this one and this one.

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And basically at the moment every of those processors is responsible for running off separate to your

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toll machine.

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And I have just shown you that I have allocated 80 Goodbye It's a friend to Mac.

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Also you told machine and that's way here you see it.

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This process that actually takes this amount of RAM Ed gigabytes of RAM.

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And here next you'll see windows we told machine and it takes four gigabytes of RAM and last one is

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a.

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And I feel obligated to adjust to gigabytes of RAM is brute DNA also let me go to CB you tap and also

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on this step you'll see three different processes that are currently using some part some percentage

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of my main CB You for example this one is using the moment 16 percent of my main CPO.

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That's how it looks in terms of resources consumption.

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And basically if I have a look again at the memory you should see that my physical amount of memory

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on this computer is 16 gigabytes and almost 13 gigabytes of RAM are currently utilized by those three

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different your dollar machines.

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That's why it means that I am not able to start three additional such kind of your dollar machines because

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my computer will be simply out of memory.

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All right.

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Also let me demonstrate quickly that I have also access to yes.

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I sativa that is actually hyper use them that is installed directly onto the server and it is actually

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a remote Sarah.

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And here on this cetera you might also see some of your dollar machines that are present day.

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For example I am able to access one of your dollar machine and I am able to open it up and log into

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it remotely same.

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I can do wheels any hours or doodle machines on this computer.

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All right.

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Let me also show you that you are also able to perform different management tasks.

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So with every of your dollar machine for example I could suspend your dollar machine I could stop it

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I could do reloaded I could create a full clone and of course you are able to move your dollar machine

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from one computer to another.

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And on the production services like Bill Murray Yes excite Sarah as you are able to automate all those

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tasks so you are able to create the let's say 10 clones from particular of your time machine you could

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move all machines from one set of auto NAS or you can scale machines and so on.

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It is really really nice production solution.

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All right.

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That's all for this demo.

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I hope you liked it.

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And the main idea that they wanted to transfer to you is that every viewer doll machine trust has its

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own guest operating system.

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And second has its own resources.

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And I have shown you that if I allocate particular amount of RAM to particular of your time machine

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then this amount will be forever a reserve at my main computer forever.

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I mean while your machine is running as soon as I stop it.

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Of course those are sources will be freed up.

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It is also possible to create little machines that actually share resources share your resources and

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share a ram and such approaches are very often used by hosting providers like Amazon and Google Cloud

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or digital ocean and you are able to buy IIs or digital machine with dedicated resources dedicated the

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Utah super you dedicated memory or you are able to buy so-called beautiful machines with shared resources

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and share Ram and the CBO with hours are brutal machines socially or machines are usually much cheaper

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than machines with dedicated resources.

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Let me basically quickly show you that and let me go for example to digital ocean and here gold two

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products and droplets every asset over here is gold actually droplet and if your scroll down a bit you

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could see that there are so-called standout droplets and they share CPO with our droplets and are dedicated

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CPO droplets that tell 100 percent dedicated viewer told CBS along equals the balance of the memory.

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All right.

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That's how it looks at hosting services and to gain most the company's most the hosting services are

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using nowadays view adult salaries instead of dedicated salaries and almost no one uses so-called bare

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metal or dedicated salaries.

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I mean Sarah was physical mammary physical CPR resources and so on because of all advantages of using

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multiple machines they could be easily scaled migrate that the corporate glommed and so on.

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All right guys I hope that you enjoyed this quick overview of my setup and now you completely understand

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what is your thought machine and what are advantages of using the auto machine.

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Let's not proceed and next let me talk about architecture of Docker and advantages of using Docker.

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And of course about these advantages of using Docker.

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I'll see you next.

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Bye bye.