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So here I'm on GitHub, and on GitHub I'm going to create this new repository and we call

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it Lesson 19 Lab. Let's be more complete, Linux plus Lesson 19 Lab. That's a long name,

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but given the popularity of many of my Git repositories, I like to be very specific.

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So it's telling me what to do. And well, I first need to create all of this in my Linux

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system and then I'm just going to run all of these commands. Why wouldn't I copy paste

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them to make it easy? So let's go to Linux. Let me copy these commands. And now I'm going

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out of my previous Git repo and I'm going to use mkdir Linux plus Lesson 19 Lab. Getting

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in there and pasting the commands that I just copied from GitHub. And that is taking care

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of all the basic information. And okay, there it's coming for the username again. Well,

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my username is Sander van Vugt. And my password, ah, do we get that again? And why do we get

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that? Well, it is getting this because of the Git remote add. You know what? I'm going

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to remove it and I'm going to do it again. And this time we do it the smart way. So rm

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minus rf on Linux plus Lesson 19 Lab, just to make sure that everything is removed. mkdir

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Linux plus Lesson 19 Lab. And then in Linux plus Lesson 19 Lab, echo Lesson 19 Lab in

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the readme.md. I think that's good enough. Then Git init. I forgot to do my Git init.

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And after the Git init, we do what? Well, we need to Git add and Git commit. So Git add

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star and Git commit. Minus m new repo commit. Then do I miss anything? Well, we need to

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Git the Git branch and then we have to Git remote add. And the Git branch is still what

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we wanted to. Git branch minus m main. So the next command that we have seen in the

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output is this. I'm going to paste it to make it a little bit easier. I can't do that because

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if I do that, it's going to use HTTPS. That's password based and that's wrong. So I need Git

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remote add origin. Git add GitHub.com Sander van Vugt slash Linux plus Lesson 19 Lab.git.

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And why do I do that? Well, I do that because the HTTPS link requires me to log in with the

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username and password and you can't log in with username and password anymore. So we

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change that. Remember, this is why we created the SSH keys. So now I can use my Git push

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minus u origin main. And oh, something went wrong. Yeah, something went wrong. I made

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this error on purpose because this is a very obvious error and you're going to make that

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as well. In the Git URL, you don't have a server name slash. No, you have server name

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colon. So there's a colon separating the server and the username. And oh boy, there it is telling

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me remote origin already exists. Yeah, that is right. But fortunately now we can use Git remote

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set URL. I'm going to change the existing remote for origin and I'm going to set it

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to Git at GitHub dot com colon Sander van Vugt slash Linux plus Lesson 19 Lab dot Git.

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And now we can try the Git push minus u origin main again. And as you can see, that is working

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out all right. Good. That was part one. That was fun, wasn't it? Now we're in for part two,

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where I'm going to use Git branch testing and Git checkout testing and touch four dot txt and

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five dot txt. And then I'm using echo five dot txt and I'm writing it to the dot Git ignore.

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Next I'm using Git add star. And there we can see that five dot txt is ignored. And that is okay.

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And I'm using Git commit minus m three, whatever message you want, feel free to replace it with

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anything. And I'm going to use Git push minus minus set upstream origin testing. And that is

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pushing the new branch to upstream so that my fellow developers can share it as well. Now I'm

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going to use Git checkout main and Git merge testing. And now when I use LS, I can see my

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five dot txt as well as my four dot txt. And that is what we had in mind for this lab.