CoreOS vs Ubuntu: What are the differences?
Developers describe CoreOS as "Linux for Massive Server Deployments". CoreOS is designed for security, consistency, and reliability. Instead of installing packages via yum or apt, CoreOS uses Linux containers to manage your services at a higher level of abstraction. A single service's code and all dependencies are packaged within a container that can be run on one or many CoreOS machines. On the other hand, Ubuntu is detailed as "The leading OS for PC, tablet, phone and cloud". Ubuntu is an ancient African word meaning ‘humanity to others’. It also means ‘I am what I am because of who we all are’. The Ubuntu operating system brings the spirit of Ubuntu to the world of computers.
CoreOS and Ubuntu can be primarily classified as "Operating Systems" tools.
"Container management" is the top reason why over 18 developers like CoreOS, while over 215 developers mention "Free to use" as the leading cause for choosing Ubuntu.
According to the StackShare community, Ubuntu has a broader approval, being mentioned in 1845 company stacks & 1709 developers stacks; compared to CoreOS, which is listed in 45 company stacks and 12 developer stacks.
Ubuntu is much more faster over Windows and helps to get software and other utilities easier and within a short span of time compared to Windows.
Ubuntu helps to get robustness and resiliency over Windows. Ubuntu runs faster than Windows on every computer that I have ever tested. LibreOffice (Ubuntu's default office suite) runs much faster than Microsoft Office on every computer that I have ever tested.
Global familiarity, free, widely used, and as a debian distro feels more comfortable when rapidly switching between local macOS and remote command lines.
CentOS does boast quite a few security/stability improvements, however as a RHEL-based distro, differs quite significantly in the command line and suffers from slightly less frequent package updates. (Could be a good or bad thing depending on your use-case and if it is public facing)
At the moment of the decision, my desktop was the primary place I did work. Due to this, I can't have it blow up on me while I work. While Arch is interesting and powerful, Ubuntu offers (at least for me) a lot more stability and lets me focus on other things than maintaining my own OS installation.
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