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Download CentOS 6.1 CD / DVD ISO

CentOS Linux version 6.1 has been released and available for the download. It is a community-supported operating system based on Red Hat Enterprise Linux (RHEL) version 6.1. CentOS Linux is considered as the most popular Linux distribution for web servers and general purposes usage.
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Download CentOS 6 CD / DVD ISO

CentOS Linux version 6 has been released. It is a community-supported operating system based on Red Hat Enterprise Linux (RHEL) version 6. CentOS Linux is considered as the most popular Linux distribution for web servers with almost 30% of all Linux servers using it.
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How To: Upgrade Red Hat Enterprise Linux 5.3 to v5.4

Red Hat Enterprise Linux v5.4 has been released and available via RHN for immediate update. The new version includes the kernel-based virtual machine (KVM) virtualization, next generation of developer features and tools including GCC 4.4, a new malloc(). Also included clustered, high-availability filesystem to support Microsoft Windows storage needs on Red Hat Enterprise Linux.
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CentOS Linux Project In Trouble

CentOS is a community-supported, freely-available operating system based on Red Hat Enterprise Linux. Lance Davis created CentOS and now he goes absent without leave. In an open letter from his fellow CentOS developers:

You have long promised a statement of CentOS project funds; to this date this has not appeared. You hold sole control of the centos.org domain with no deputy; this is not proper. You have, it seems, sole 'Founders' rights in the IRC channels with no deputy ; this is not proper.

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Red Hat today released kernel updates to fix at least 15 security flaws in its core called Linux kernel. RHEL users can grab the latest updates from RHN website or by simply running yum update command. This update has been rated as having important security impact.
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Red Hat Directory Server (RHDS) wins "Best Identity Management Solution" at "SIIA's 2008 Codie" awards. RHDS is based upon the Fedora Directory Server (FDS), which is an LDAP (Lightweight Directory Access Protocol) server developed by Red Hat, as part of Red Hat's community-supported Fedora Project. Fedora Directory Server is identical to the Red Hat Directory Server (rebranded version).

The CODiE awards is a yearly award issued by the Software and Information Industry Association for excellence in software development the software industry.

Red Hat Directory Server is a commercial version of FDS with added features like customer service and technical support. FDS is being built on top of Fedora, but supports many operating systems including Red Hat Enterprise Linux (RHEL), Debian, Solaris 8+, and HP-UX 11i. FDS has a Java-based GUI front end for administration. FreeIPA, a network identity, policy and audit suite which uses Fedora Directory Server as its LDAP component.

Install Linux on Fujitsu Siemens ESPRIMO E5720

I was trying to install Redhat ( RHEL 5) / CentOS 5 server on a Fujitsu Siemens ESPRIMO E5720 and got problem with the installer.

The base resolution for CentOS / RHEL Linux 5 is 800x600x32, which requires 2MB video memory. In order to boot or install Linux on the Fujitsu Siemens ESPRIMO E5720, set the reserved amount of video RAM to 8MB in BIOS.

You also need to add pci=nommconf parameter to grub.conf boot option file. While installing Linux on Fujitsu Siemens ESPRIMO E5720, you need to type the following at a boot prompt (excluding boot: word itself):
boot: linux pci=nommconf
Once server is installed, edit /etc/grub.conf or /boot/grub/grub.conf and append pci=nommconf at the end of kernel line:

title Red Hat Enterprise Linux Server (2.6.18-128.el5)
	root (hd0,0)
	kernel /vmlinuz-2.6.18-128.el5 ro root=LABEL=/ console=tty0 console=ttyS1,19200n8 pci=nommconf
	initrd /initrd-2.6.18-128.el5.img