The Latest release by Red Hat is the Redhat Enterprise Linux 5 with virtualisation
- Virtualization on Red Hat Enterprise Linux 5
- Virtualization is provided in all Server products and is optionally available for Client products
- Storage and extended server virtualization are provided with Red Hat Enterprise Linux Advanced Platform
- Red Hat Network supports virtualized guest operating systems
virt-manager, libvirt/virsh management tools
Kernel and Performance
- Based on the Linux 2.6.18 kernel
- Support for multi-core processors
- Broad range of new hardware support
- Updated crash dump capability provided by Kexec/Kdump
- Support for Intel Network Accelerator Technology (IOAT)
- Numerous enhancements for large SMP systems
- Enhanced pipe buffering
- IPv4/IPv6 fragmentation offload and buffer management
- Dynamically switchable per-queue I/O schedulers
- Kernel buffer splice capability for improved I/O buffer operations
Security
SELinux enhancements include Multi-Level Security and targeted policies for all services- SEtroubleshooter GUI simplifies SELinux management
- Integrated directory and security capabilities
- IPSEC enhancements improve security and performance
- ExecShield enhancements, such as a call frame Canary word, strengthen hacker defenses
- New Audit features provide powerful new search/reporting and real-time monitoring
- Networking & Interoperability
- Network storage enhancements include Autofs, FS-Cache, and iSCSI support
- IPv6 support and conformance enhancements
- Improved Microsoft ® file/print and Active Directory integration
Desktop
- Desktop enhancements include updated configuration tools, applications, and laptop support
- Foundational Stateless Linux features (X autoconfigure, NetworkManager, etc.)
- Improved ACPI support with features such as suspend to disk
- Smart card login - with PKI/Kerberos authentication
- Integrated multimedia support
- Enhanced plug and play hardware support (cameras, printers, scanners, etc.)
- Network Manager provides automatic wired and wireless network configuration
- Enhanced graphics using AIGLX/Compiz (with fading, transparency, etc.)
- Development Environment
- Enhanced application development tools including SystemTap profiler and Frysk debugger
- GCC 4.1 and glibc 2.5 toolchain
Storage
Support for root device multipath IO (MPIO) improves availability- Single system/guest version of Red Hat Global File System included in the base server product
- Block device data encryption support
Management - Numerous installer improvements make system configuration simpler
- Yum/Pup-based updater for Red Hat Network
- Conga cluster and storage management (with Advanced Platform)
Red Hat Enterprise LinuxThe leading platform for open source computing
Delivers the best value and flexibility as the industry's highest quality operating system, bringing open source to your environment. Now with integrated virtualization.
JBoss Enterprise MiddlewareThe Global leader in open source middleware
Middleware solutions for applications, business processes, and web services.
Application stackThe fully integrated open source application stack
Everything needed to run standards-based Web and enterprise applications.
Red Hat Directory Server
Forms the central repository for an identity management infrastructure. An LDAP-based server that centralizes application settings, user profiles, group data, policies, and access control information into an operating system-independent, network-based registry.
Red Hat Certificate System
A scalable and manageable authentication system to ensure that only authorized users and applications have access to mission critical resources and data.
Red Hat Global File System
A high performance, multi-system, POSIX compliant file system that is scalable to over 100 systems. Allows data to be organized and managed consistently across multiple systems. Includes Red Hat Cluster Suite (see below). Included with Red Hat Enterprise Linux 5 Advanced Platform. Available as a separately available layered product for Red Hat Enterprise Linux 3 and 4.
Red Hat Cluster Suite
Provides high availability and redundancy for applications and services in multi-system (clustered) environments. Available as a separately available layered product for Red Hat Enterprise Linux 3 and 4.
