These terms “packages”, “repositories”, “dependencies” etc, are just some jargon used in the Linux world. Once you have put together these 6 pieces of the puzzle, you will get the big picture of what exactly does “yum upgrade” do and what is going on in your Linux machine whenever you install or update software! To understand the above lines 100% you need to first understand the answers to the following 6 questions, For a complete beginner, the above answer might sound like you have understood 50% and the remaining 50% still isn’t clear. That is just the short version of the answer. What does “yum upgrade” do? The “yum upgrade” command makes our Linux machine to update all our packages along with their dependencies and then once done, go ahead and delete the outdated packages and outdated dependencies. I guess to beginners, it just feels like a magic spell to get something installed!Īs time went on, I gradually learned the meaning of this magic spell “yum upgrade” and that is what this article is going to be about.įor those of you in a hurry, let us look at the short version of the answer. I was just happy that I was able to type something in the Terminal and it actually worked! I did not pay much attention to what I actually typed in.
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