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Okay friends, so let's walk through how to actually solve this particular

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problem.

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So what I will do here is I will just create a Playbook which is called this "

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Users and

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Groups" the name itself doesn't actually matter, not specify what it should be

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called and let's

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go in here.

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So, very first time we'll do we'll have our three hyphens at the top, it is a Y

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AML file

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after all and I'll give this Playbook a name or just say "Creating Users and

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Groups".

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Now who was I specified behind the target?

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Well, I said we should target all the hosts within our network so I'll just say

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the all

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group.

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So if I don't have to gather facts, I'm going to set gather facts to be false,
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So if I don't have to gather facts, I'm going to set gather facts to be false,

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just in order

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to speed the Playbook up.

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And now what I want to do is I want to effectively define my variables.

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So here's my Vars right here okay.

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Now you should also have this particular text for your right here that I've

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provided within

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this particular skill.

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So if I just copy all this information right here and all I'll do is paste the

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10 and

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fix the indentation.

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Okay, so let's now define our tasks that we want to actually perform.

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And the first task is going to be given a name and we'll just simply say "

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Create the

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Groups".

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Because if you recall in the Skill whereby we created users and groups, we
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Because if you recall in the Skill whereby we created users and groups, we

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learned that

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it is best practice to actually create the group first in order to avoid any

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type of

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problems.

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Now what are we actually going to use?

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We're going to be using the Ansible built-in group module.

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So again if you're in the examination and you want to maybe get some

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information, we

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can say Ansible dot and then just say Ansible built-in and maybe basically get

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all the documentation

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on how to actually use this particular module.

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Now again at the very bottom here, we actually get some examples which is quite

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handy.

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So all I will do here is I'll just copy this information here because it's
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So all I will do here is I'll just copy this information here because it's

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quite a good

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idea to just copy and paste to not worry about indentation quite so much.

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And if I just go back out and I go back into my playbook, all I will do is I'll

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just simply

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paste this in.

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And again I'll just have to fix the indentation, kill so let me just get rid of

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this line here

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and I'll just modify this to have the correct heading.

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Now here's the thing, we have two options where we can actually solve this

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particular

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problem.

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It's what we can do is we can just manually specify the group name that we want

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to create

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such as heroes and then effectively copy the same task and then populate the

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value of villains.
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value of villains.

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Now because we only have two groups and it's not really much of a slog to do

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that, that

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is what I'm just going to do.

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So let me create the heroes group and again let's make use of the old copy

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paste to keep

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things nice and quick.

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Gives us more time to think in the exam rather than spending time typing.

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Now I'll just paste this all the one in and in fact let me just say hero grip

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account,

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just that's a little bit more descriptive.

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And this one here I'll just say create the villain and of course I'm going to

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have to

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change the value here to villains.

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So the next thing we want to do is we want to create our users and add them to

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a particular

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group.

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So we want to use the user module this time.
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So we want to use the user module this time.

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So if we check the documentation for the user module that's going here, once

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again we

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can scroll through all of the different options and parameters, we can see some

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examples that

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we can use as a basic template.

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Now just one thing I want to highlight to you using the modules here are the

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examples

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and the modules page as a template is a very very good time saving ideas but

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you do have

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to be careful.

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Let me show you why.

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Say for example this one here, this one looks pretty innocuous, it looks like

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it does create

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a user and gives me a comment, a user ID and it assigns that user to a group
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a user and gives me a comment, a user ID and it assigns that user to a group

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called admin.

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Just be aware that you happen to be reading what the example is attempting to

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do and also

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perhaps if you're unsure also read the description of the parameters.

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The reason why I'm saying this is because in this example here, this is

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actually going

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to add the user to a primary group of admin.

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So this key here is adding to the primary group whereas if I scroll on down a

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little

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bit further, we can see here this particular option actually uses the parameter

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groups,

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not just group.

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See that plural and because of this, if you recall when we talked about users
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See that plural and because of this, if you recall when we talked about users

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and groups,

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this is how we can add users to a second group which in this case here is what

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we would rather

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do and again we can verify this in the actual output here by just looking at

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the parameters.

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Group sets the primary group and groups allows us to add secondary groups that

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the user is

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going to be added to.

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So it's this particular one that we want to use.

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So let's go and grab this here.

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Okay, so let's grab you, copy this, back into our playbook and all I'll do is

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paste this

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in right here and then fix the indentation.

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So we indent in four spaces, one, two, three, four.
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So we indent in four spaces, one, two, three, four.

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Now what you could do I suppose is for every single user, you could just keep

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copying,

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pasting in this task and just pass in the hard code of values as you need.

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But of course, this is not really the most elegant solution nor is it the most

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efficient

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solution in terms of saving time.

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So what I want to do is I actually want to invoke a loop to loop through all of

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the different

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users I have and just populate the values here with variable values.

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So for now what I will do here is I'm going to remove this shell option because

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we're

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not specified to specify a particular shell.

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So let's just get rid of this with DD and I'll just give this a task of create
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So let's just get rid of this with DD and I'll just give this a task of create

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the users.

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Now like I say what I want to do is I want to loop through all of my data.

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Now how do I do that?

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Well, if you look at the top key here, the actual object is known as movie

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people.

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And if I iterate through the first iteration is going to give me this object

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right here,

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the name and the type and the second iteration will give me this element Spider

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man and heroes

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and then the third Superman heroes, then Joker villains, so on so forth.

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So check this out.

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What I will do here is at the very bottom at the same level of indentation as
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What I will do here is at the very bottom at the same level of indentation as

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my actual

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module itself, I will specify I'm going to be looping through something.

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Now what am I going to be looping through?

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Well, if I just use my double curly braces, I will specify that I want to be

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looping through

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my movie people object.

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Now recall when we happen to invoke a loop and answerable, the constituent

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parts can be

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referenced via the keyword item.

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It's a special keyword with an answerable.

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So let's get rid of this hard code of value here.

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And again, let's have my double curly braces and I'll specify my item.

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Now it's not actually correct quite just yet because the item itself in this
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Now it's not actually correct quite just yet because the item itself in this

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case here

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because in first iteration, we're going to get both the name and the type.

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You see that because pretty much we can see the little hyphen here that's going

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to give

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us the first object, second one here, third one here.

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So we want to be a little bit more precise and as we iterate through each item,

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in the

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case of getting used on name, we also want to grab the name key to just get

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this piece

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of the data that we're looking through.

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And then on second iteration, just grab this name to get this piece of

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information.

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So on so forth.

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So let's scroll on down and I'll say the name is going to be item dot name.
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So let's scroll on down and I'll say the name is going to be item dot name.

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Now the groups that we're going to be belonging to, but also going to be loop

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ing through.

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So let's have my double curly braces.

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And I will say item and what do I want to grab this time?

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Well, if they happen to be a hero, I want to grab the type heroes and if they

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are a villain,

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we can grab the type to get the villain.

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So again, we're going to grab the type key this time.

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Now this is actually not all, but also going to have to provide a password for

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each of

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these accounts.

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Now if we go back in and consult the documentation, if we scroll on down, we

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can see we can actually
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can see we can actually

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create a password.

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In fact, if I just say forward slash and just type in password and hit enter,

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it's going

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to snap us to the relevant part, which is also a good time saving piece of

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information.

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So we can see the password parameter.

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It says here, if provided set the user's password to the provided encrypted

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hash if

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you're on Linux.

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Okay.

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So think about this.

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Remember when we dealt with this in the earlier scale within this course, what

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we can

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do is we can actually run this through a filter.

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So what I will do here is I'll use the password key right here.

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Now here's the thing.

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If the user happens to be a hero, I want to give them the password of hero pass
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If the user happens to be a hero, I want to give them the password of hero pass

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.

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Okay.

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So my single quotation marks, I will specify hero pass and then I will use my

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pipe to invoke

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a filter and then I will say I want to use the password hash filter and then

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within my

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parentheses, I'll specify the hash I want to use, which in this case here will

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be five,

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one, two and again, close my parentheses.

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So think about it like this.

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This here is going to look through all the users as it stands right now.

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Grab out their name, populate it into the name parameter, take it or type and

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assign it to

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the group's parameter.
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the group's parameter.

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Then we're going to give everyone a password of hero pass and make sure that

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password is

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hashed.

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Now the problem is, is that we don't want to give absolutely everyone this

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particular

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password.

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We only want to give half of them that password and the other half a password

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of villain pass.

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So we have a condition right here.

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So it's a good idea maybe to actually invoke your conditional logic, ie

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utilizing a when

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statement.

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So what I can do here is below at the same level of indentation as my look, I

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will use

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my when keyword.

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Now what is a condition I want to specify?
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Now what is a condition I want to specify?

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Well, specify when the item dot type that I'm looping through, which is going

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to specify

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if I'm a villain or if I am a hero, when I evaluate, so I'll use my double

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equal sign,

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when it evaluates to the value of heroes.

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So pretty much this task is going to look through everything that we have and

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then evaluate

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if the item dot type that we're looping through comes to heroes, then we'll do

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all of this

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stuff right here.

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Okay.

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So we're only effectively going to create what is now the hero users.

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So that's only one part of the task.

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We also have our villains.
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We also have our villains.

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So what we can do therefore is if I just copy all of this right here, just grab

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you and

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again, I just go to the margin and I just paste all of this in again, boom.

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As so we can just make a quick modification just to create the villain users in

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this case

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here and all we're going to do here is change the password to villain pass.

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And this is only going to run when we evaluate the type we're looping through

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evaluates to

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villains.

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So let's just save this right here.

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And for now, if I happen to log into my devices, let's go into device one, for

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example, we
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example, we

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can see we're on device one.

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If I happen to go into the exit password file, notice we don't have any

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accounts for Batman,

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Superman, Spider-Man, that type of thing.

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And similarly, if I go into the exit group file also, slowing one down, notice

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we don't

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have any group for heroes or villains.

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That should change when we're on this play book.

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So let's exit back out, get back to our control node.

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If I just run the playbook of answerable play book users and grips and to enter

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, we now create

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the grips and the users and make all the assignments.

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And if we actually log into our device now, device number one, if I say less on
WEBVTT
X-TIMESTAMP-MAP=LOCAL:00:00:00.000,MPEGTS:900000

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And if we actually log into our device now, device number one, if I say less on

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09:31.130 --> 09:31.720
the exit

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pass wd file right here.

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And if I scroll all the way down, we can see here at the bottom, we can see we

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have Batman,

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Spider-Man, Superman, Joker, Green Goblin and Lex Luthor and similar live, I

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press Q.

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And I also say less on the exit group file right here and to enter scroll all

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the way

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down, we can see here we have our heroes group and who's in the heroes, we have

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Batman,

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Spider-Man and Superman and the villains group, we have Joker, Green Goblin and

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Lex Luthor.

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Now the crucial point to note here is if I just happened to try to become one

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of the

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users and I say substitute user to Batman, Batman should have a password of
WEBVTT
X-TIMESTAMP-MAP=LOCAL:00:00:00.000,MPEGTS:900000

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users and I say substitute user to Batman, Batman should have a password of

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hero pass,

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so let's type in hero pass.

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And as we can see here, we're successfully logged in as Batman if I exit out.

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If I try to become, say for example, the Joker, Joker should have a password of

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villain pass.

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So if I hit enter, now we can see here I became the Joker account.

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And the same thing will be true over on device number 2.