Repositories (Demo)
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Video Transcription
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>> Hey there Cybrarians and welcome back to
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the Linux plus course here at Cybrary.
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I'm your instructor Rob Gills,
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and in today's lesson we're going to
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be discussing repository commands.
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Upon completion of today's lesson,
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you're going to be able to create a repository file in
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CentOS and also list in sync repositories.
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Let's get after it with some demo time.
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[NOISE] Here we are in our CentOS environment,
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and remember from what we
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talked about in the previous lesson,
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in order to add a repository,
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we have to add a repository file.
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In CentOS, there are
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a lot of different repository files.
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We can see those all in etc/yum.repos.d.
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If we do an LS, we can see all of
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the different files here for each and every repo.
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We're going to create a test repo.
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Let's just create one here and we'll call it
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test.repo [NOISE] In this file,
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the first thing we're going to need to do is
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add a section name,
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is going to be the name of our repository and we'll
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call it my Test Repo.
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Then we need to give it a name as well in
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the next line down, descriptive names,
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we'll call it name equals My Test Repo for EPEL.
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Because what we're going to do is we're
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going to add a base URL
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here for Fedora EPEL,
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Extended Packages for Enterprise Linux.
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Let me grab that real quick.
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I'm going to paste it in here
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just because it's a little bit easier.
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We have base URL equals https,
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dl fedora project pub epel//pel release.
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So extended packages for Enterprise Linux.
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We're not going to GPG check on this because I
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verified where it's coming
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from and I'm not too concerned,
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it's just a demo system.
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Then the last thing we need to do is enable this.
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We can just hit "Enable equals 1"
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and enable this sucker and we're good to go.
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Now, let's go ahead and escape
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WQ to write and quit out of this file,
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and now we're good to go.
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We've created a repository.
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Now, that we've created the repo,
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we can see this by running yum repo list.
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Now, what we're going to see is down here at the
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bottom, my Test Repo, my Test Repo for EPEL.
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Now, we should also sync
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this to get all the repository information
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updated and know about the packages that
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are available in that new repo.
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We could do that using the command yum reposync.
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If we let this run, what it's going to do is
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it's going to sync all the repositories,
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including the one that we just created.
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Now, in this case, I don't have the proper file here.
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Apparently I didn't use to
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hot job copy it, but in general,
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that's how that would work
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and that's pretty much all we need to know for
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working with packages and
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creating repos inside of CentOS.
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That's all that we need to know for
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creating repos inside of CentOS.
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In today's lesson, we covered
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how to create a repository file
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in CentOS and how to view in sync repository files.
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Thanks so much for being here and I look
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forward to seeing you in our next lesson.
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