illumos

Illumos

illumos is a fully open-sourced OS based on Sun Microsystems' OpenSolaris operating system, focused on high reliability, security, and performance computing. It is compatible with Solaris software.
illumos image
open-source unixlike solaris-derived

illumos: Fully Open-Sourced OS for High Performance Computing

A reliable and secure operating system based on Sun Microsystems' OpenSolaris, ideal for high-performance computing needs, with compatibility to Solaris software.

What is Illumos?

illumos is an open-source Unix operating system derived from Sun Microsystems' OpenSolaris project. It aims to provide a highly reliable, secure, and high performance operating system for enterprise workloads. Some key features and facts about illumos:

  • illumos implements a Unix System V and POSIX API for interoperability with other software
  • It uses advanced ZFS filesystem for data integrity and file system snapshots
  • illumos includes DTrace for deep observability into production systems
  • Provides built-in Cybersecurity capabilities like Kernel Page Table Isolation and hardened userspace
  • Includes modern software-defined networking stack
  • Community-driven development model focused on stability
  • Used in mission critical enterprise environments due to high security, reliability and performance

Overall, illumos provides an enterprise-grade open-source Unix platform for high performance workloads with emphasis on reliability, security, and observability features for production environments.

Illumos Features

Features

  1. Based on OpenSolaris
  2. Supports ZFS filesystem
  3. DTrace dynamic tracing
  4. Crossbow network virtualization
  5. Kernel zones for isolation
  6. FMA fault management architecture

Pricing

  • Open Source

Pros

High performance and scalability

Data integrity with ZFS

Advanced debugging with DTrace

Improved security with zones

Reliability features like FMA

Cons

Limited hardware support

Smaller community than Linux

Not compatible with all Solaris software


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