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Orion Electric Age

Some useful links to Get information, just as explorer’s bookmark.

Tech News

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Git Repository

Cloud & Orchestration


Network trilogy: performance(bandwidth, delay, pps), qos(upper limit, lower limit, reserve, share), security(stateless and stateful firewall, such as acl). And the last but not the least is easy to operate and manage(dfx).



  • xen: The Xen ProjectTM is the leading open source virtualization platform that is powering some of the largest clouds in production today. Amazon Web Services, Aliyun, Rackspace Public Cloud, Verizon Cloud and many hosting services use Xen Project software.
  • kvm: KVM (for Kernel-based Virtual Machine) is a full virtualization solution for Linux on x86 hardware containing virtualization extensions (Intel VT or AMD-V).
  • qemu: a generic and open source machine emulator and virtualizer.
  • docker: The only container platform provider to address every application across the hybrid cloud.
  • jailhouse: After Xen and KVM, meet a new Linux hypervisor, a partition hypervisor.
  • Firecracker: an open source virtualization technology that is purpose-built for creating and managing secure, multi-tenant containers and functions-based services.
  • nemu: specifically built and designed to run modern cloud workloads on modern 64-bit Intel and ARM CPUs.
  • ACRN: A Big Little Hypervisor for IoT Development.
  • blogs or articles:

Hardware Architectures


AI & BigData

Free Hardware

Program Management

Open Source Foundation

Online Course

Recommanded Websites

Some useful free tools

  • yEd: substitution of visio
  • notepad++: substituiton of ultraedit
  • kdiff3: substituiton of beyond compare
  • Tools for C developer on Windows: virtualbox, source insight, xshell, beyond compare, altrun, everything, 7zip etc.

Online Pdfs

  • ubuntu apache2: apt intsall apache2, set documentroot by edit /etc/apache2/sites-available/000-default.conf, set directory permission by edit /etc/apache2/apache2.conf, more info