![]() asdf recognizes where you are in a directory or project and decides which version of a given toolset is appropriate for that. asdf is primarily a version manager that handles automatic versioning. asdf - The (easy) version manager □Īsdf may be an unassuming or even uninspired name, but it’s a perfect nod to how transparent and accessible it can be as a developer’s tool. There are other alternatives like the Nix Package Manager, but today we’re going to look at asdf as a small but mighty tool that’s especially useful for version management of local development environments. What I’m getting at here is that with the help of a so-called version manager like asdf you’ve got exactly one software tool with which you can bypass this operational overhead.Ī version manager solves one of the most tedious problems of every developer’s daily business, namely the harmonization of the developer environment. It is precisely in such situations that alternative methods provide a remedy. However, with environmental isolation via hardware or OS-level virtualization, there is still a lot of operational overhead involved. Package managers can perform this function, provided that no manual installation steps are used to manage them. A mechanism is needed to manage these packages. which software packages are installed, are paramount. Nonetheless, within a virtualized environment, the prevailing conditions, i.e. This is colloquially called containerization. The next step was virtualization, when isolation of the environment became possible at the operating system level. ![]() Of course, I am saying this in a very simplified way and leaving out many sub-concepts so as not to have to go into too much detail. There’s a need to isolate certain aspects of a given system in such a way that something can be easily replicated again in order to then achieve a desired end state without being influenced by external factors.įirst, entire operating systems were isolated and called hardware virtualization. Exactly this context isolation is a driver of many thrusts in the IT world. This assumes that contexts can be isolated. ![]() Possibilities of context switching ↔️īefore you can switch from one context to another, two contexts must be able to exist in parallel and independently of each other. In addition to the fact that a developer has to deliver results, he also has the obligation of leaving behind an understandable, maintainable codebase. The life of a developer is not always easy.
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