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I have used libvirt in every Linux hypervisor deployment I do. I frequently deploy RHEL or CentOS hypervisor servers with libvirt as the VMM of choice. It's installable via the guided setup for EL-based Linux distros, it uses minimal resources and overhead, integrates seamlessly with KVM and Qemu, and provides powerful CLI for advanced users and experts looking for automated deployments, or via VirtManager in your favorite Linux desktop environment. Best used with Linux VMs, it allows KVM and QEMU direct hardware virtualization access.
Using Arch Linux for our systems and servers means getting the latest technology and fixes early, as well as early warnings for potential future breakage in other (slower) distributions. It's been easy to maintain, easy to automate, and most importantly: easy to debug.
While our software target is every recent Linux distribution, using Arch internally ensured that everyone understands the full system without any knowledge gaps.
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)
Pros of CentOS
- Stable15
- Reliable8
- Free to use8
- Good support5
- Has epel packages5
- Great Community4
- I've moved from gentoo to centos2
- 好用1
Pros of Fedora
- Great for developers17
- Represents the future of rhel/centos8
- Good release schedule8
- Great integration with system tools7
- Reliable6
- Fast5
- Docker integration4
- Has SeLinux3
- Python distribution2
- Updated with Bleeding-edge software2
- Complies with International Standard2
- Awesome community2
- Great for ops teams2
- Latest packages2
Pros of openSUSE
- Stable3
- Lightweight for server2
- Snapshot1
- Reliable1
- Rolling release1
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Cons of CentOS
- Yum is a horrible package manager1
Cons of Fedora
- Bugs get fixed slowly from kernel side1
- Systemd1
- Much less support from Wiki1
- Boring1
- Less packages in official repository1
- A bit complicated1
- Slightly difficult to install for beginners0