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{{short description|Free software implementation of the Solaris kernel}}{{multiple issues|{{primary sources|date=December 2013}}{{update|date=March 2014}}}}{{Use dmy dates|date=November 2013}}

factoids

| working state = CurrentOpen-source software>Open source with binary blobsC (programming language)>CEnglish language>EnglishIA-32, x86-64, SPARC, ARM architecture>ARM (under development),HTTP://WIKI.ILLUMOS.ORG/DISPLAY/ILLUMOS/RASPBERRY+PI+BRING-UP > TITLE = RASPBERRY PI BRING-UP LAST = CLULOW DATE = 25 OCTOBER 2012 ARCHIVE-DATE = 13 JULY 2017 URL-STATUS = DEAD, DEC AlphaMonolithic kernel>MonolithicCommon Development and Distribution License>CDDL, BSD licenses, MIT License>MIT| preceded by = OpenSolaris}}Illumos (stylized as illumos) is a partlyWEB, Building illumos,weblink 2023-08-31, illumos.org, free and open-source Unix operating system. It is based on OpenSolaris, which was based on System V Release 4 (SVR4) and the Berkeley Software Distribution (BSD). Illumos comprises a kernel, device drivers, system libraries, and utility software for system administration. This core is now the base for many different open-sourced Illumos distributions,WEB,weblink Distributions, in a similar way in which the Linux kernel is used in different Linux distributions.WEB,weblink What Illumos is and is not, Dana, Blankenhorn, ZDNet, The maintainers write illumos in lowercaseWEB, FAQ,weblink illumos, 2 May 2020, since some computer fonts do not clearly distinguish a lowercase L from an uppercase i: Il (see homoglyph).WEB,weblink live, Mustacchi, Robert, 2015-09-05, 2021-05-23, Linux to SmartOS cheatsheet, after smartos-discuss vetting, sans deritus. by cwvhogue - Pull Request #217, 2021-05-23,weblink GitHub, The project name is a combination of words illuminare from Latin for to light and OS for Operating System.WEB, Announcement,weblink 2018-06-15, illumos.org,

Overview

File:OpenIndiana Hipster 2021.10 MATE desktop environment screenshot.png|thumb|The OpenIndianaOpenIndianaIllumos was announced via webinarWEB, Garrett D'Amore, illumos - Hope and Light Springs Anew - Presented by Garrett D'Amore, 3 August 2010,weblink illumos.org, 3 August 2010, on Thursday, 3 August 2010, as a community effort of some core Solaris engineers to create a truly open source Solaris by swapping closed source bits of OpenSolaris with open implementations.WEB,weblinkweblink" title="web.archive.org/web/20150926053916weblink">weblink Whither OpenSolaris? illumos Takes Up the Mantle, 20 November 2012, 26 September 2015, Archived at Ghostarchive{{cbignore}} and the weblink" title="web.archive.org/web/20160326212321weblink">Wayback Machine{{cbignore}}: WEB,weblink OpenIndiana, Illumos, and the OpenSolaris Community (Part 1), YouTube, {{cbignore}}The original plan explicitly stated that Illumos would not be a distribution or a fork. However, after Oracle announced discontinuing OpenSolaris, plans were made to fork the final version of the Solaris ON kernel allowing Illumos to evolve into a kernel of its own.WEB,weblink The Hand May Be Forced, Garrett D'Amore, 13 August 2010, 14 November 2013, {{As of|2010}}, efforts focused on libc, the NFS lock manager, the crypto module, and many device drivers to create a Solaris-like OS with no closed, proprietary code. {{As of|2012}}, development emphasis includes transitioning from the historical compiler, Studio, to GCCweblink {{Webarchive|url=https://web.archive.org/web/20210513141744weblink |date=13 May 2021 }} "Oracle’s Sun Studio has been replaced with the open source GNU GCC compiler." The "userland" software is now built with GNU makeWEB,weblink OpenIndiana/oi-userland, GitHub, 28 October 2021, and contains many GNU utilities such as GNU tar.Illumos is lightly led by founder Garrett D'Amore and other community members/developers such as Bryan Cantrill and Adam Leventhal, via a Developers' Council.WEB , The Illumos Foundation has been incorporated in the State of California as a 501(c)6 trade association, with founding board members Jason Hoffman (formerly at Joyent), Evan Powell (Nexenta), and Garrett D'Amore. As of August 2012, the foundation was in the process of formalizing its by-laws and organizational development.At OpenStorage Summit 2010, the new logo for Illumos was revealed, with official type and branding to follow over.WEB,weblink New illumos logo, Garrett D'Amore, 27 October 2010, 14 November 2013,

Development

Its primary development project, illumos-gate, derives from OS/Net (aka ON),WEB,weblink os-net-skeleton, bitbucket.org, 2019-07-29, 29 July 2019,weblink dead, which is a Solaris kernel with the bulk of the drivers, core libraries, and basic utilities, similar to what is delivered by a BSD "src" tree. It was originally dependent on OpenSolaris OS/Net, but a fork was made after Oracle silently decided to close the development of Solaris and unofficially killed the OpenSolaris project.WEB,weblink Oracle staff report big layoffs across Solaris, SPARC teams, www.theregister.co.uk, 2019-07-29, WEB,weblink OpenSolaris axed by Ellison, www.theregister.co.uk, 2019-07-29, WEB,weblink illumos sporks OpenSolaris, www.theregister.co.uk, 2019-07-29,

Features

• ZFS, a combined file system and logical volume manager providing a high level of data integrity for very large storage capacities.
• Solaris Containers (or Zones), a low overhead implementation of operating-system-level virtualization technology for x86 and SPARC systems.
• DTrace, a comprehensive dynamic tracing framework for troubleshooting kernel and application problems on production systems in real time.
• Kernel-based Virtual Machine (KVM), a virtualization infrastructure. KVM supports native virtualization on processors with hardware virtualization extensions.
• OpenSolaris Network Virtualization and Resource Control (or Crossbow), a set of features that provides an internal network virtualization and quality of service including: virtual NIC (VNIC) pseudo-network interface technology, exclusive ip zones, bandwidth management, and flow control on a per interface and per VNIC basis.

Distributions

{{See also|OpenSolaris#Derivatives|Solaris (operating system)#Open source derivatives|Comparison of OpenSolaris distributions}}Distributions, at illumos.orgWEB,weblink Distributions - illumos, illumos.org,

• DilOS, with Debian package manager (dpkg + apt) and virtualization support, available for x86-64 and SPARC.WEB,weblink DilOS, www.dilos.org, 2016-02-26, 21 February 2016,weblink" title="web.archive.org/web/20160221173315weblink">weblink dead

,

• NexentaStor, distribution optimized for virtualization, storage area networks, network-attached storage, and iSCSI or Fibre Channel applications employing the ZFS file system.
• OmniOS Community Edition, takes a minimalist approach suitable for server use.WEB,weblink OmniOS CE, omniosce.org, 2017-09-10

,

• OpenIndiana, a distribution that is a continuation and fork in the spirit of the OpenSolaris operating system.
• SmartOS, a distribution for cloud computing with Kernel-based Virtual Machine integration.
• Tribblix, retro style distribution with modern components, available for x86-64 and SPARC.WEB,weblink Tribblix, www.tribblix.org, 2016-02-26

,

• v9os, a server-only, IPS-based minimal SPARC distribution.WEB,weblink v9os, milax.fi, 2017-12-13

,

• XStreamOS, a distribution for infrastructure, cloud, and web development.WEB,weblink XStreamOS, Sonicle, 2021-03-04

, Discontinued:

• Dyson, derived from Debian using libc, and SMF init system.
• OpenSXCE, distribution for developers and system administrators for IA-32/x86-64 x86 platforms and SPARC.WEB,weblink OpenSXCE, www.opensxce.org, 26 February 2016

,

See also

• Solaris, the ancestor of Illumos

References

{{reflist}}

External links

• {{Official website}}
• napp-it, a ZFS web interface for Illumos-based NAS or SAN appliances.

{{Solaris}}{{Unix-like}}{{Operating system}}{{FOSS}}