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  • Blog Post: Ubuntu Server Now Supported on Dell PowerEdge & PowerEdge-C

    The Dell Linux Engineering team is proud to announce support for Ubuntu Server on PowerEdge & PowerEdge-C servers by Canonical. Though we have worked with Canonical for years to certify Dell PowerEdge servers and peripherals with the latest Ubuntu releases, we are enhancing our collaboration efforts...
  • Blog Post: Dell Voted Favorite Hardware Vendor by Linux Journal Readers

    The Linux Journal once again ran their yearly contest to survey their readers' favorites ín Linux, and the results are in: Dell is their readers' hardware vendor of choice! The readers voted Dell as the "Best Linux Laptop Vendor" and the "Best Linux Desktop Workstation Vendor"...
  • Blog Post: New BIOS Can Increase Linux Performance with 12th Generation PowerEdge Servers

    Today Dell released an BIOS update that affects many of our Dell PowerEdge 12 th Generation servers. The BIOS update includes a change which can improve system performance with many Linux distributions. First, a little background: Systems with NUMA architecture have memory that is connected to a particular...
  • Blog Post: Announcing the release of Red Hat Enterprise Linux 6.4 on Dell PowerEdge servers

    Dell has announced the release of Red Hat Enterprise Linux (RHEL) 6.4 on Dell PowerEdge servers Starting June, 2013 The RHEL6.4 will have Dell OpenManage 7.3 support The RHEL 6.4 will be offered as a Factory Installed Operating System on Dell PowerEdge servers Red Hat Enterprise...
  • Blog Post: KVM Virtualization Security

    For the past few months I have been looking at KVM virtualization on Red Hat Enterprise Linux and CentOS and just recently started looking at KVM security. I have a small deployment in my lab with a few Dell PowerEdge servers, EqualLogic iSCSI storage and several Linux Virtual Machines (VMs), and even...
  • Blog Post: AMD Opteron 4200 series processors supported on R415 and R515 servers

    Posted on behalf of Narayanan D from Dell's Enterprise Linux Engineering team Dell PowerEdge Servers R415 and R515 now support AMD Opteron 4200 series of processors. These processors are Socket C32 compatible and it supports maximum of 8 cores per socket. On these dual sockets servers the system...
  • Blog Post: Red Hat Enterprise Virtualization 3.0 Beta Available

    Red Hat has released the beta edition of Red Hat Enterprise Virtualization (RHEV) 3.0. RHEV is Red Hat’s end-to-end virtualization solution and is based on the Kernel-based Virtual Machine (KVM) hypervisor technology. Some of the key enhancements in RHEV 3.0 include: The RHEV Manager (RHEV...
  • Blog Post: Meaningful names for network devices in RHEL 6.1 on Dell systems

    Posted on behalf of Narayanan D from Dell's Enterprise Linux Engineering team. Red Hat Enterprise Linux 6 Update 1 (RHEL 6.1) that is now available from Red Hat implements a new naming convention for network interfaces. The ‘biosdevname’ udev helper utility, developed by Dell and released...
  • Blog Post: Getting more IOPS on your Oracle Workloads running on Red Hat Enterprise Linux and Dell EqualLogic with EQL HITKit

    When dealing with databases, speed and latency are of the utmost importance. Though there’s a tendency to continuously strive for a higher speeds and lower latencies, we can’t always justify the cost. Things are further complicated as performance on systems degrade over time, requiring more...
  • Blog Post: Monitoring Ubuntu Servers with OpenManage Essentials

    Recently, in response to a user question in the TechCenter forum , Dell Linux Engineering's on-site field engineer from Canonical, Kent Baxley, wrote detailed instructions on how to use OpenManage Essentials to begin monitoring PowerEdge systems running Ubuntu Server. The steps he outlines allow...
  • Blog Post: AMD Opteron 6300 and 4300 series server processors on enterprise Linux operating systems

    AMD recently announced the release of AMD Opteron™ 6300 and AMD Opteron™ 4300 series server processors. Several Dell PowerEdge servers have been refreshed with the new AMD Opteron™ series processors. AMD Opteron™ 6300 series server processors refreshed on PowerEdge R815, R715...
  • Blog Post: Effective Network Load Distribution Across CPU Cores Using Multiqueues on RHEL6

    Posted on behalf of Narendra K, Dell Linux Engineering With the advent of 10Gbps network adapters, the CPU core is increasingly becoming a bottle-neck in processing network traffic. But using multiple cores to drive I/O through a single, shared queue requires software locking mechanisms that might...
  • Blog Post: Ubuntu Server Edition Hardware Certification Details

    A few months ago I wrote about how Dell PowerEdge servers are certified with Ubuntu Server Edition . In this article, I dig deeper into the type of hardware certifications available from Canonical and the functional and stress tests we put our servers through to achieve certification with Ubuntu Server...
  • Blog Post: Dell OMSA 7.3 and DTK 4.3 for Ubuntu and Debian

    Dell OpenManage System Administrator 7.3 for Ubuntu and Debian Dell OpenManage System Administrator (OMSA) 7.3 for Ubuntu and Debian is now published. When we recently published OMSA 7.2, we switched to a new apt repository format to better work with both Ubuntu and Debian and to allow packages for...
  • Blog Post: Dell OpenManage Server Administrator 6.4 for Ubuntu

    The following is posted on behalf of Prudhvi Tella, an engineer on the Linux OS Engineering team. The Linux OS Engineering team is pleased to announce the second release of OpenManage for Ubuntu. OpenManage 6.4 64-bit version is now available for download. However, a 32-bit version will also be released...
  • Blog Post: UEFI booting Ubuntu 12.04 on PowerEdge 12G servers, Part 3

    A few weeks ago, a colleague and I each presented a workaround for booting Ubuntu 12.04 on some of Dell’s 12 th generation of PowerEdge Servers. I am happy to report a third workaround today, which may be more attractive. The 1.3.6 BIOS, which was released today, contains a workaround for the...
  • Blog Post: Linux certification for Dell 12th generation PowerEdge servers

    Posted on behalf of Narayanan D from Dell Linux Engineering team. Dell launched the 12th Generation of PowerEdge servers—powered by Intel’s E5 26xx series processors and Patsburg C600 chipset . These processors (Socket-R compatible) have a maximum of 8 cores per socket and offers upto...
  • Blog Post: Dell at RedHat Summit 2013

    For eight years running, the Red Hat Summit has set up open source shop in various locations around the US and internationally. The Red Hat Summit is the premier open source technology event to showcase the latest and greatest in cloud computing, platform, virtualization, middleware, storage, and systems...
  • Blog Post: How do you find features available in WSMAN ?

    This post authored by Chris A. Poblete - Dell Engineering. As I said in my earlier entry , I’ll be giving you some insight in some of the ways you might use WSMAN with the PowerEdge 11G server’s iDRAC6. In this entry, I’ll cover how you may discover features available in WSMAN...
  • Blog Post: XenServer 5.6 Now Available on Select Dell PowerEdge Servers and Blades

    This blog post authored by Jose De la Rosa - Dell Linux Engineering Team Dell and Citrix have partnered to bring pre-qualified and virtualization-ready platforms for dynamic and growing data centers. Citrix XenServer 5.6 with its 64-bit open-source Xen hypervisor at the core, is a powerful virtualization...
  • Blog Post: KVM Linux Virtualization choices with Red Hat

    Kernel-based Virtual Machine (KVM) is the standard virtualization technology in Red Hat Linux Enterprise (RHEL). You can use the libvirt user-space tools (i.e. virsh) to deploy a virtualization environment in RHEL 6 using KVM and even implement high-availability features such as VM Live Migration. However...
  • Blog Post: Developer Laptop launches: Project Sputnik

    Dell TechCenter Linux users may be wondering what you get when you cross Ubuntu 12.04 and Dell’s XPS13 laptop ? That's easy, Project Sputnik, the new developer laptop initiative ! "Sputnik is part of an effort by Dell to better understand and serve the needs of developers in Web companies...
  • Blog Post: Texas Linux Fest 2012

    Last month, many Texas Linux aficionados converged on San Antonio for two days of Texas Linux Fest . This was my first time attending TLF, and I'm happy to say that the organizers put on a great event. There were clearly some heavy themes this year. The first day was filled mostly with Chef 101...
  • Blog Post: Setting up Certificate Authority Keys with OpenSSH version 5.4+

    One interesting new feature in OpenSSH that has been delivered in releases starting last year is Certificate Authority support. This is a very useful and easy to implement option in OpenSSH with the small difficulty that it is very new and is very difficult to find documentation for. The purpose of this...
  • Blog Post: Low Latency and C States in Linux

    I recently encountered what was, at least for one system administrator, a source of confusion while setting up a real-time, low latency Linux system. Current Dell servers use processors which can be put into lower power states when they are idle to save power. These idle states are called C states...