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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.

Decisions about CoreOS and Ubuntu
Michaël SCHERER
Fullstack Dev at Synovo Group · | 10 upvotes · 23.6K views
Chose
Ubuntu
over
Windows

Ubuntu always let people do what they want to do, it pushes its users to know what they are doing, what they want and helps them learn what they ignore.

Ubuntu is simple, works out-of-the-box after installation and has a incredibly huge community behind.

Ubuntu is lightweight and open, in the way, that the user has access to free AND efficient applications (most of the time, without ads) and, even if learning its folder structure is challenging, once done, you are really able to call yourself "someone who knows what is in your computer".

Windows, in comparison, is heavy, tends to make decision for you and always enable tracking application by default. grr

It has a simple user interface, of course, but on the stability point of view, it is hard to compete with something simpler (even with less features).

Personal preference : I prefer something simple that works 99% of the time, than a full-featured auto-magical system that works 50% of the time (and ask if the good version of the driver is really installed...)

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Dimelo Waterson

Coming from a Debian-based Linux background, using the Ubuntu base image for my Docker containers was a natural choice. However, the overhead, even on the impressively-slimmed Hub images, was hard to justify. Seeking to create images that were "just right" in size, without unused packages or dependencies, I made the switch to Alpine.

Alpine's modified BusyBox has a surprising amount of functionality, and the package repository contains plenty of muslc-safe versions of commonly-used packages. It's been a valuable exercise in doing more with less, and, as Alpine is keen to point out, an image with fewer packages makes for a more sustainable environment with a smaller attack surface.

My only regret is that Alpine's documentation leaves a lot to be desired.

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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.

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Jerome/Zen Quah
Chose
Ubuntu
over
CentOS

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)

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Simon Aronsson
Developer Advocate at k6 / Load Impact · | 7 upvotes · 139.9K views

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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Pros of CoreOS
Pros of Ubuntu
  • 21
    Container management
  • 15
    Lightweight
  • 11
    Systemd
  • 224
    Free to use
  • 97
    Easy setup for testing discord bot
  • 56
    Gateway Linux Distro
  • 53
    Simple interface
  • 6
    Don't need driver installation in most cases
  • 4
    Open Source
  • 3
    Many active communities
  • 2
    Easy to custom
  • 1
    Many flavors/distros based on ubuntu

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Cons of CoreOS
Cons of Ubuntu
  • 1
    End-of-lifed
  • 4
    Demanding system requirements
  • 3
    Adds overhead and unnecessary complexity over Debian

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What is CoreOS?

It is designed for security, consistency, and reliability. Instead of installing packages via yum or apt, it 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 machines.

What is Ubuntu?

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.

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What companies use CoreOS?
What companies use Ubuntu?
See which teams inside your own company are using CoreOS or Ubuntu.
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What tools integrate with CoreOS?
What tools integrate with Ubuntu?

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What are some alternatives to CoreOS and Ubuntu?
Docker
The Docker Platform is the industry-leading container platform for continuous, high-velocity innovation, enabling organizations to seamlessly build and share any application — from legacy to what comes next — and securely run them anywhere
LinuxKit
LinuxKit, a toolkit for building custom minimal, immutable Linux distributions. Designed for building and running clustered applications, including but not limited to container orchestration such as Docker or Kubernetes.
Rancher
Rancher is an open source container management platform that includes full distributions of Kubernetes, Apache Mesos and Docker Swarm, and makes it simple to operate container clusters on any cloud or infrastructure platform.
Docker Swarm
Swarm serves the standard Docker API, so any tool which already communicates with a Docker daemon can use Swarm to transparently scale to multiple hosts: Dokku, Compose, Krane, Deis, DockerUI, Shipyard, Drone, Jenkins... and, of course, the Docker client itself.
Mesosphere
Mesosphere offers a layer of software that organizes your machines, VMs, and cloud instances and lets applications draw from a single pool of intelligently- and dynamically-allocated resources, increasing efficiency and reducing operational complexity.
See all alternatives