![]() On a standard Ubuntu Installation the DE will be a GNOME 3 desktop. In some of the screencast that I will record you will see that I use a rather niche DE: regolith which is mainly keyboard driven - I don’t recommend that for beginners, but you may wonder why my screens look so weird 8. Two more prominent ones are GNOME and KDE, but there are many others, and it is a matter of preference, what you choose. There are many different desktop environments and all are different. The same can be said for the Desktop Environment. The distribution I use for most of my computing needs is Ubuntu 8, since it is easy to install, is robust, has a dependable update cycle, is popular - so most software will have a package that is easy to install, and has a really good community to get help, if you need it. There is no best distribution, because everybody expects different things from their computer system. When you enter “Best Linux Distribution” into a search engine, you’ll find a lot of conflicting answers, because the question is wrong 7. Linux is the common name for a lot of different distributions, each of which has their own special features. One of the most prominent features of Linux as on OS is, that there is no “Linux”. The DE is the graphical user interface on top of the Operating System (OS). When you boot up your new Linux environment, you will be greeted by the Desktop Environment (DE). Select the option to install it alongside the existing Windows installation and the installer will do the rest 1. The cool thing is that that image is a “live system”, so you can boot into Ubuntu directly from the usb-drive and test the system before you install it. Ubuntu comes as a bootable image that you can put on a usb drive and boot from it. ![]() Linux can be installed on most machines, so if you have a computer that has enough room on a hard drive (or you have a spare hard drive) you can install Linux alongside the Windows system in a so-call “dual-boot” configuration, where you can select the operating system in a boot menu. Another reason is that OpenFOAM is available as an installation package for this distribution. The one distribution I would recommend for a beginner (and which we will use in one form or the other) is Ubuntu because it is currently the most popular and is (in my view) the easiest to install. There are many different variations of Linux out there, so called distributions. So the best option would be to run it on a Linux system. This would be either OpenFOAM 8 or OpenFOAM v2106. Usually I would recommend you to start with the version that is most easily installed on your system. This is the most difficult to get used to. On the other hand it is more fluid and chaotic. This is a variant that has been forked from the original codebase and has a quicker way for new models to be integrated.
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