开发者发行版：Red Hat Enterprise Linux 5.4 Beta

Red Hat has announced the availability of the beta release of Red Hat Enterprise Linux (RHEL) 5.4: "Red Hat is pleased to announce the availability of the beta release of 5.4 (Linux kernel 2.6.18-155.el5) for the Red Hat Enterprise Linux 5 family of products. This beta includes the following improvements: full support for the KVM (Kernel-based Virtual Machine) hypervisor; Power Systems LPAR enablement; new SAP resources agents for SAP instance and SAP database; virtual machine (vm.sh) resource agent now uses libvirt; new fencing agent for Cisco MDS SAN switches and IBM LPAR instances via HMC; updated ALSA audio infrastructure; improvements for docking and undocking with CD-ROM in dock; updates to i810, Intel, mga, ATI, and nv drivers; FUSE is fully supported...." Read the rest of the detailed release announcement for a complete list of changes and new features. As usual, this beta release of RHEL is available to existing customers from Red Hat Networks.

Red Hat领导着Linux的开发、部署和经营，从嵌入式设备到安全网页服务器，它都是用开源软件作为Internet基础设施解决方案的领头羊。Red Hat由有远见的企业家Bob Young和Marc Ewing创建于1994年，它以源码开发作为营业模型的基础。它也代表了软件开发行业的一次根本转变。软件的原始代码对所有人都可以获得，使用该软件的开发人员可以自由地对其作改进。其结果是迅速的革新。Red Hat解决方案包括Red Hat Linux、开发人员和嵌入式技术，以及培训、管理和技术支持。这份开源革新通过称之为Red Hat Network的Internet平台传递给客户们。Red Hat的总部设在美国北卡罗莱纳州首府罗利。