What are DevOps and tools?
I am a full stack developer and also a DevOps Engineer .
But one of the things I found out is that every company and every team has their own definition of what DevOps is, but we can all agree that development and operations are closely related and both rely on each other to make successful projects.
So, if you have read all the titles of my previous articles I think you already know what I am going to say here, but I will start with a small background and let's jump right into examples! DevOps is about collaboration. We need more teams because we live in a society of different and very complex environments. I mean: every customer is different, every environment is different, every time it is different and our company is different. So, as companies we have more chances to produce different services and products which is good. But, on the downside we need more people (a lot more actually) and we need to work together to make these products happen. It is really nice when we are working in teams because we help each other, we ask each other, we communicate with each other, we share and we learn from each other. This is where DevOps comes into the game! And with it, we don't only collaborate on the same place. Developers and operators are usually geographically distributed and sometimes even work together from different offices or countries. With DevOps we can build better products and deliver them much faster than before because our companies can be agile without being stupid. They just need to change and to do this, they need a better communication between operations and developers. We need to have better ways of reporting and we need to share more information.
Let's build an awesome product! DevOps needs tools. As I mentioned before, nowadays we live in a world of many environments. The internet allows us to reach every corner of the globe in a few seconds. And some companies, like Google, are offering free high speed Internet worldwide (with some limitations). In this case we need tools so we can develop for everywhere. A tool is a piece of software that helps us do something easier.
Can I learn DevOps on my own?
Learn DevOps on your own?
I'm a student. I'm not a devops person. I'm not a sysadmin. I'm not an operations guy.
When I started learning DevOps, it seemed like a lot of work. I don't even know what DevOps is. I never needed to know about it.
I just wanted to get my app running and maintain it. I want to be a developer, not a DevOps guy.
So what I've been doing is reading about how to do it. I read this book: Practical DevOps by Mike K. Williamson.
In a nutshell, what I learned is that the problem of setting up and running an app is pretty simple. It's the things that come after that you need to learn. These are the things I'm going to share with you.
Understand how apps run. The first thing you need to know is how apps work. When you run your app, you're really just running a program. The program tells the computer what to do. The computer has to do it. It has to do it right, or the program will not run.
So the first thing you have to know is what it means for a computer to be right or wrong. What does it mean for a computer to be right or wrong? It means that the program will do what it was told to do. It also means that the computer will be able to do something else. That's not true for your app. It won't do anything else. But the computer will still be able to do something else.
What the computer is able to do is run other programs. So the first thing you need to know is that when you run your app, it will not be able to do anything else. It will just run the program you told it to.
But the computer will be able to do something else. It will be able to run other programs. Know how computers run. So what happens when you run the program? The computer starts running the program. And the computer does something else.
The computer runs other programs. But what is the computer doing? Why does it run other programs? The computer runs other programs because it's a computer. It does things for us.
What are basics to learn DevOps?
I am in a dilemma when it comes to the topic of DevOps.
It's been a while since I've had to use it in a project, but I feel like I'm on the verge of a major breakdown if I don't give it a shot again. The only problem is that there are a number of different ways of approaching DevOps and I have no idea what would work best for my company. I'm looking for something that I can learn, get some experience and then apply to my projects. I want to know how to do things the right way and how to avoid doing them the wrong way.
What are the basic things you need to learn before applying DevOps to a project? You have to learn how to make a server work (basic OS stuff like setting up networking, memory, CPU, etc). You have to understand the concepts of deployment (pulling, pushing, etc) and release (migrating to production, testing, etc). You need to know about version control and how to properly use it. You need to know about continuous integration and how to manage it. And you need to learn about deployment strategies, load balancing, monitoring, etc.
I'm sure there's more, but I don't know which ones to focus on. I have a feeling that I'll have to start at the beginning. Developers and Operations people are working on the same project, so they have to learn how to communicate effectively. Also, we want to speed up the release process and get feedback faster.
The following topics are important to know: Development (development process, unit testing, version control). Operations (server administration, networking, load balancing, application management). Communication (managing documentation, knowledge sharing). Tools (version control, build systems, code reviews, Continuous Integration). All the above should be applied to your company's processes. Also, read a lot of articles on DevOps. Here is a list of interesting sites:
DevOps is the term used for the new way of working with software. It's a way of thinking that allows the team to work together on the same project.
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