If you use Linux as your working system, you've almost certainly run into the need to configure the system to your liking after a fresh install. This is especially critical if you use several devices for work. Ideas like ansible or homegrown scripts that install packages and apply a configuration come to mind. However, …

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Let's take a break from purely technical topics today. I'll explain why DevOps is the best field in IT if you want to maintain a healthy work-rest balance while keeping the rest of the company's departments happy 👽😁. Doctors used to be paid as long as a person stayed healthy; likewise, DevOps engineers should be paid …

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Continuing the topic of CI/CD, I felt like reflecting on the subject of "Terraform in the pipeline". What I mean is: does it make sense to wrap terraform operations into a pipeline for changing infrastructure? In my practice I've seen attempts to do this several times. The most surprising part is that it even …

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From my point of view, if a service is updated regularly, then you really can't do without it, because deploying manually is no fun at all. However, dragging these practices everywhere is also wrong. 〰️ Let me give an example: we have a utility service (not the one that's part of the application, but an …

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Why it's worth mastering Golang at least at a basic level: In various materials you can find references to Python as the language for automating administration tasks. In general that's true, but Go has a number of advantages, which is exactly why most modern DevOps tools are written in it. ✅ Ease of deployment You …

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Where to start learning DevOps? Many people ask themselves this question, and although the paths can differ, I'll share my view of the optimal starting point. Fundamentals don't change for decades, which is exactly why you should start with them. There's no point in studying a new "promising" tool if you …

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When applying for a job, almost everyone has to go through a technical interview as the first stage. The next stage might be a take-home assignment, or it could be one or more additional technical interviews. The process can differ from company to company, but in any case it's worth studying the answers to the common …

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In the modern world of Devops, Prometheus-format metrics have already become a standard used for monitoring applications, as well as for scaling them. As a reminder, architecturally Prometheus uses a pull model to obtain data, that is, the server itself requests metrics from the specified endpoints at a given interval. …

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Secrets usually mean sensitive data such as passwords, tokens, and access keys that are needed for an application to work correctly but must be hidden from prying eyes. So, for example, developers shouldn't see the passwords for databases, including the staging and production ones. They typically work locally, and …

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As we all know, people fall into two types: those who make backups and those who already make backups.
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