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The next topic I want to discuss is resource groups now, we have already seen resource groups in the



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demo we had with the Asia portal when we created one, but we didn't explain what exactly is a resource



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group.



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And this is what I want to do now.



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So what is actually a resource group?



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So a resource group is a logic container for resources.



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It is used for grouping resources, biologic boundary, and we will see some examples for it later.


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It is also, as we said before, completely free and you can create as many resource groups as you want.



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It won't cost you a cent.



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Now, some examples of using resource groups are a resource group for development test and production.



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So in this case, three resource groups.



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One will contain all the development resources, one will contain all the resources, and the last one



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will have all the production resources.


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Another example is to separate resource groups by teams so every team will have its resources in resource



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group.



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Now, this logical grouping will come handy when identifying the types of resources you have, so,



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for example, you might have a resource group named Production r.G and others will see later.



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R.G. is a common suffix of resource group name, and you will see immediately that every resource in



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this resource group belongs to the production environment of the system.


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Now it's important to discuss also the difference between resource groups and subscriptions, because



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you might remember that when we talked about subscription, we said that a subscription is also a logical



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container in that it contains the values resources you provision in the cloud.



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So what exactly is the difference between resource groups and subscriptions?



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So let's see.



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When we look at the hierarchy of resources in Asia, it looks like this.


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So as you can see from top to bottom at the top, we have management groups which we haven't discussed



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yet, and then we have subscriptions and then resource groups and only then we can go to the resources



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themselves.



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Now, what's important about subscriptions is that they have associated accounts and they are a cost



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center.



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So as you saw when we created our own account in Edgell, we immediately and automatically got a new


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subscription and the account was attached to this subscription in addition.



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And you will see that later when calculating the cost of resources, then the cost is always PILT subscription.



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So you can think of a subscription as an account little container of resources.



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And then if we have the resource groups, which are logical resources containers, so the resources



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themselves are grouped inside resource groups and this is true for almost all the resources.


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So again, you can think about subscription as a cost center and they think that your account is attached



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to and the resource groups are the actual containers for the resources.



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Now, what about management groups?



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We didn't discuss it before and we are not going to discuss it further in the course.



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All you need to know is that management group is a place to manage subscriptions.



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So if an organization have multiple subscriptions, then they can all be managed using management groups.


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Now, resource groups have naming conventions and its best practice to have an R.G. or R.G. in capital



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as part of the resource group name.



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Now, this could be prefix or suffix.



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For example, you can call the resource group like this R.G. projective or like these financial resources



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r.g.



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So that's a very good practice and you should make sure your resource groups are following the standard.



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Now, almost every resource in Asia is placed in the resource group.


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So, for example, when you will create a virtual machine, then you will have to select the resource



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group in which it's going to be located.



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So let's go back to the bottle and see how we use resource groups for creating resources.



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Now we want to actually create a resource, but we will just see where exactly we need to select the



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resource group for the resource.



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So let's go again to the search bar, as usual, and that starts type virtual machines and let's pick


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virtual machines from here and click, add and select virtual machine.



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So now we see the page for creating a new virtual machine.



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Now you can safely ignore all the parameters and fields right here.



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We will discuss it later in this course.



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But what I want to show you is this the resource group.



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So as you can see, for almost every resource we need to select this subscription.



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And right now we have only one subscription we can select from.


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And after selecting the subscription, we need to select the resource group.



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Now, if we don't have any resource group that we can put the resource in, then we will create a new



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one.



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But there is no such thing as creating a new virtual machine, which is not placed inside a resource



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group.



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So resource groups allow us to organize our resources in logical groups, which will make the whole



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work with them extremely easy, especially when we will have hundreds of them.