Linux Today Linux News, Tutorials Amp Guides

Browse technical resources about modular data centers, thermal management, PDU, 800G optics, liquid cooling, AI interconnects, and edge computing.

  • Fiber optic disk array Linux dual-machine

    Fiber optic disk array Linux dual-machine

    When utilizing Linux as an initiator for fiber channel access to the PowerVault ME5 series Storage Array, this guide outlines best practices for configuring and optimizing multipath with Fibre Channel storage on widely used Ubuntu-based systems. Configuring multipath with Fibre Channel (FC) storage is essential for ensuring high availability, redundancy, and performance in your large-scale on-premises data center environments. Determining the link loss behavior of device using Fibre Channel 10. Fibre Channel configuration files Chapter 10. In this post, we try to configure a 2 node Proxmox VE 9 cluster, with shared storage, which is directly connected via Fibre Channel. In my lab i have 2x DELL R640 servers and for the storage i use Huawei Dorado 3000V6 NVMe. The management will be. This article explains the required settings for multipath. These days, the physical transport is over fiber using FC SFP transceivers (4, 8, 16, or 32Gbps, with LC fiber attachment) for host-to-fiber and target-to-fiber interfaces.

    [PDF Version]
  • KVM switcher does not support Linux

    KVM switcher does not support Linux

    For the Ubuntu system, all packages required to run KVM are available on official upstream repositories. Install them using the commands: Load and enable the modulevhost-net.Run the following commands to install KVM hypervisor on these systems. Start and enable the service.We'll install KVM and QEMU plus some tools like libguestfs-tools and virt-topwhich comes in handy when administering KVM. Install them as below: Confirm that the kernel modules are loaded: Start and enable libvirtd service:For Arch Linux and its derivatives, I already wrote an article which is available on the link below. 1. Install KVM,QEMU and Virt Manager on Arch Linux and ManjaroThe CPU on the system you're using should have Intel VT or AMD-V function. The install required packages using: Ensure the kernel module required to virtualize is on: Start and enable kvm service:.

    [PDF Version]
  • Latest News on Fiber Optic Cable Centralized Procurement in 2024

    Latest News on Fiber Optic Cable Centralized Procurement in 2024

    Recently, the results of China Unicom's 2024 optical cable centralized procurement project were announced. 7859 million core kilometers of optical cable. The announcement. FEMA contacted FOA for assistance in understanding fiber optic communications restoration after disasters. For example, lower prices are associated with Single fiber ($0. 1% y/y contraction in the previous year. While many states have made significant progress on the BEAD funding approval process, CRU believes its impact on US cable demand will mainly.


  • Latest news from the Ministry of Commerce regarding fiber optic cables

    Latest news from the Ministry of Commerce regarding fiber optic cables

    On March 4, 2025, the Ministry of Commerce initiated an anti-circumvention investigation on imported single-mode optical fiber products originating from the United States, following an application by domestic enterprises. This marks China's first anti-circumvention investigation. China has slapped American fibre-optic firms with anti-dumping tariffs – a move announced hours after the US Treasury imposed sanctions on a Guangzhou-based chemical firm, over fentanyl claims. The order, to be executed by April 2024, requires HFCL to supply multiple types of cables as per customer specifications. The ministry announced this decision on March 4.


Modular Infrastructure & Thermal Computing Insights

Need Professional Modular Infrastructure Solutions?

Contact us today for product inquiries, custom designs, or technical support