United States (change)

Shortcuts: Downloads | Fedora | Red Hat Network

Account Links: Cart | Register | Log In

Main Site Links:

• Services & Products
  • Red Hat Enterprise Linux
    • Server
    • Desktop
  • Red Hat Enterprise Virtualization
    • Server
    • Desktop
  • JBoss Enterprise Middleware
  • Red Hat Services
    • Consulting
    • Training
    • Amentra
  • Messaging, Realtime, Grid (MRG)
  • Systems Management
  • Identity Management
  • All Services & Products
• Solutions
  • Virtualization
  • Migration Center
  • Medium & Large Enterprise Business
  • Enterprise Solutions
  • Industries
    • Education
    • Financial
    • Government
    • Healthcare
    • Oil & Gas
    • Telecommunications
  • Business Needs
    • Business Intelligence
    • Collaboration & Content Management
    • Enterprise Applications
    • Security & Identity Management
  • Customer Success
  • All Solutions
• Partners
  • Partner Programs
    • OEMs
    • Resellers
    • Alliance
    • Training Resellers
    • System Integrators
    • Software (ISV)
    • Runtime
    • Hardware (IHVs)
    • Hosting
  • Partner Help Desk
  • Subscription Center
  • Partners Home
• Community
  • Community Home
• Training
  • Courses
  • Certification
  • Specialized Solutions
  • All Training
• Support
  • Knowledgebase
  • Documentation
  • Downloads
  • Offerings
  • Support Policy
  • Support Process
  • Customer Center
  • All Support
• Company
  • Company Profile
    • Investor Relations
    • Worldwide Offices
    • Contact
  • Customer Success
  • News & Events
    • Press Release Archive
    • News Blog
    • Events Schedule
  • Work at Red Hat
    • Look Inside Red Hat
    • Careers
    • Search Jobs
  • What is Red Hat?
    • Why Red Hat?
    • Why Open Source?
    • Why Collaboration?
    • Why Subscriptions?
    • Red Hat Stories
  • Webinars
  • Videos
  • Company Home
• Buy Online
  • Products
    • Server Operating Systems
    • Desktop Operating Systems
    • Systems Management
    • Infrastructure Products
    • Red Hat Online Training
  • Solutions
    • Small Business
    • Identity Management
    • Developers
    • Storage
    • Software as a Service
  • Order History
  • View Saved Carts
  • Renew Subscriptions
  • Store Catalog

Release Notes and Updates

Red Hat Enterprise Linux family products are delivered with Release Notes that should be read prior to initial system installation. Release Notes provide useful installation hints and general information concerning enhancements and restrictions.

Learn about Red Hat's Fastrack program to gain early access to Red Hat Enterprise Linux errata.

Release Notes:

Red Hat Enterprise Linux 4 AS

X86

Itanium

AMD64 / Intel® EM64T

iSeries

pSeries

S/390

zSeries

Red Hat Enterprise Linux 4 ES

X86

Itanium

AMD64 / Intel® EM64T

Red Hat Enterprise Linux 4 WS

X86

Itanium

AMD64 / Intel® EM64T

Additionally, regular updates are provided for Red Hat Enterprise Linux products. These include general bug fixes, driver updates, security patches, etc.