The Linux Rolling Release Model

Regardless of the operating system being used, we’re used to the idea that our current OS will become obsolete every few years, and a newer version will be released to replace the current one.

However, some Linux distributions have adopted a different release model. Instead of releasing a new version every year, they use a model called the “Rolling Release Model” to continuously update your operating system. This means that you only have to install your OS once and will always be running the latest version.

An operating system that is based on the rolling release model (also known as Continuous Delivery) has two main characteristics. The first one is that you install your operating system only once and then never again. The second is that the operating system gets continuously updated.

Everything on Linux is divided into software packages making Linux a modular operating system. This is also the reason why a rolling release model is applicable for Linux distro. By using a package manager, each and every package – even kernels and drivers – can be updated.

The Linux operating systems that are based on the rolling release model are called rolling distributions. There are, however, different types of rolling distributions, and the way they differ is important.

The two most important distinctive types of rolling distributions are:

1. True-rolling distributions: These distributions update every part of your operating system.

2. Semi-rolling distributions: These distributions don’t update every part of your operating system. They are divided into a rolling part and a non-rolling part. These distributions often have a non-rolling core. They don’t update the kernel and drivers but do update everything else and have rolling software repositories.

One advantage of rolling distributions is that you are able to get new versions of software very quickly because the rolling repositories get updated as soon as new software is released. In some distributions you even get software updates pushed to your computer as soon as they’re released by the programmers of the software project.

Examples of truly rolling distributions are Arch Linux, Manjaro, Gentoo and Funtoo. Examples of semi-rolling Linux distributions are SolydXK and PCLinuxOS, and on the UNIX side we have FreeBSD.

Rolling distributions like Arch and Gentoo are considered bleeding edge because they can receive updates so fast that they go without testing. The bad thing is that when packages aren’t tested, they can break your system.

However, not everyone wants a bleeding edge system that can break every time untested updates get pushed to their system. In such cases there are rolling distributions that focus on usability for Linux beginners, such as Manjaro.

Manjaro is a truly rolling distribution based on Arch with the distinction that it comes with an installer and has many packages pre-installed for the convenience of users.

Another distinction of Manjaro is that once updates are released for Arch the Manjaro team holds the updates for roughly two weeks to put them through a short testing phase. This way the worst bugs will get filtered out of the packages, and the chance that your system breaks after an update cycle is reduced.

Security patches, on the other hand, are pushed to Manjaro users faster than regular updates, almost as soon as they come out.

You get the best of both worlds. You get a truly rolling release distribution, where everything gets updated, and you also get the latest software every two weeks, which has at least been tested somewhat to reduce the chance of system breakage.

You only install your operating system once and never have to bother with cumbersome reinstalls and restoring your data. This is where the rolling release model is better than the standard release.

The flexibility and customizability of Linux also see more non-rolling Linux distributions get forked into rolling distributions over the years. Examples are SparkyLinux, MX Linux and SolydXK, which are rolling distributions based on Debian.

There is also openSUSE Tumbleweed which is the official rolling release version of openSUSE. It focuses on delivering stable packages to users as soon as they are stabilized.

Even good old Gentoo has been getting forks that are still improving on its model. An example is Sabayon, which offers out-of-the-box usability and compiled binary packages through the Entropy package manager extension.

In the end, what it all comes down to is this:

The rolling release model makes our life a little bit easier.

This is because the less time it takes to maintain your operating system, the more time we have for things in life that matter.

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