diff --git a/distributions/RedHat.md b/distributions/RedHat.md index c97fcc8..68868ba 100644 --- a/distributions/RedHat.md +++ b/distributions/RedHat.md @@ -1,9 +1,5 @@ --- marp: true -title: Red Hat -theme: gaia -_class: lead -unknown: unknown --- ![w:1000](RedHat-logo.png) @@ -16,27 +12,11 @@ unknown: unknown * **Red Hat, Inc.** is the **company** behind the distribution, while **Red Hat Linux** & currently **Red Hat Enterprise Linux (RHEL)** is the **distribution** -* Became biggest open source provider prior to be acquired by IBM +* Became biggest open source provider prior to being acquired by IBM -* Currently RHEL is a trusted partner to 90% of Fortune 500 companies +* Currently RHEL is used by 90% of Fortune 500 companies -* Red Hat Inc. has rigid trademark rules restricting re-distribution of their officially RHEL versions but still provides its source code freely - ---- - -## Philosophy - -* Committed to promotion, support, & defense of software freedom - -* Mission statement: - - > *to be the catalyst in communities of customers, contributors, and partners creating better technology the open source way* - -* Strive for more inclusivity in programic language & documentation: - - * Push for removal of controversial terms like "master" & "slave" - -* Give back to project and communities they engage with +* Red Hat Inc. has rigid trademark rules restricting re-distribution of their official RHEL versions but still provides its source code --- @@ -46,78 +26,57 @@ unknown: unknown * **1994**: First Red Hat Linux release - * Released in October & appropriately named as Halloween + * Released in October & code-named Halloween * **2002**: RHEL release * Pioneered the open source subscription model * Fully replaced Red Hat Linux in the following year -* **2019**: Most recent version of RHEL: 8 (Ootpa) +* **2022**: RHEL 9 released - * Current release: 8.5 as of 11/9/21 + * Current release: 9.4 as of 9/11/2024 + +* **2024**: RHEL 10 branched from Fedora 40 --- -## Popular Derivatives +## Friends and neighbors RHEL has many **community-driven** distributions: * Fedora + * Cutting edge community distro + +* CentOS Stream + * RHEL development branch just days/weeks ahead + * Focus point for community engagement -* CentOS +And is the basis for other products, like OpenShift and OpenStack -There are also some **commercial** distributions of RHEL too: +--- + +## Frenemies +* Amazon Linux 1 + * AL2 - RHEL/Fedora hybrid +* AlmaLinux * Oracle Linux +* Rocky Linux +* Scientific Linux (defunct) -* Amazon Linux (primary AWS distribution) +Oracle, SuSE, and Rocky/CIQ focusing on OpenELA project --- ## Red Hat Enterprise Linux (RHEL) -Enterprise? Red Hat is NOT free? - * Still open source - -* Subscription packaging model: - * RHEL Server Standard - * RHEL Server Premium - -10+ Years of Support - +* Subscription packaging model +* New versions roughly every five years +* 10+ Years of Support * Stable & reliable, although maybe a little behind on the times - ---- - -## Fedora Linux - -Community-driven & free - -More experimental - -* Less stability - -* Short version lifespan - - * Release every 6 months & 13 months of updates - -Red Hat typically starts with Fedora when making new releases & polishes it to their own standards - ---- - -## CentOS Linux - -Claimed to be middle ground between RHEL & Fedora - -Community-driven, free, & stable - -* Mainly just Red Hat with branding thrown out - -* Many CentOS board members also work for RedHat - -CentOS Stream is the new and upcoming version of CentOS that will be used as a development ground to make releases of Fedora into the new Red Hat releases +* Extra Packages for Enterprise Linux (EPEL) is a community repo for popular, but unsupported software --- @@ -137,41 +96,26 @@ The default package managers for Red Hat distros are both RPM (Red hat package m ## Desktop Environments -Typically with the more common RHEL distros, they come with the following built in with the installer: - -* **GNOME (Default)** -* KDE +* GNOME -Others for Installation on CentOS & Fedora: +That's it. Others available through EPEL: -* Cinnamon, MATE, XFCE, i3, Deepin Desktop +* Cinnamon, KDE, MATE, XFCE, i3 --- +## RHEL for business -## Community vs Enterprise Linux - -* Community: - - * Free - * Great for beginners - * Great for experimentation - -* Enterprise: - - * Paid - * Supports long periods of time for servers - * Supports business desires +Red Hat's Open Source Assurance program provides indemnity for copyright claims against the open-source components, while under a paid subscription --- +## RHEL for government -## There's Always More to Learn . . . - -[RHEL Introduction](https://www.redhat.com/en/technologies/linux-platforms/enterprise-linux) - -[Red Hat Culture](https://www.redhat.com/en/about/our-culture) - -[25 Things You Should Know About Red Hat](https://www.redhat.com/en/blog/25-things-you-should-know-about-red-hat-0) - -[RHEL Releases](https://access.redhat.com/articles/3078) +Red Hat manages the paperwork and testing for compliance certification, such as: -[Red Hat: What's the Best Linux Distro for You](https://www.redhat.com/en/topics/linux/whats-the-best-linux-distro-for-you) +* Common Criteria security +* FIPS 140-2 and FIPS 1403 encryption +* DOD STIG +* US Government Configuration Baseline (USGCB) +* Section 508 accessibility +* FISMA/ FedRAMP +* HIPAA