Scott's Weblog The weblog of an IT pro specializing in virtualization, networking, open source, and cloud computing

Using an Apt Proxy

In this post I’ll show you how to use apt-cacher-ng as an Apt proxy for Ubuntu systems on your network. I’m sure there are a lot of other resources that also provide this information, but I’m including it here for the sake of completeness and making it as easy as possible for others. Using an Apt proxy will help reduce the traffic coming from your network to external repositories, but it simpler and easier than running your own internal repository or mirror.

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Building a Fully Automated Ubuntu Installation Process

Recently on Twitter, I mentioned that I had managed to successfully create a fully automated process for installing Ubuntu Server 14.04.2, along with a method for bootstrapping Ansible. In this post, I’m going to describe the installation process I built and the components that went into making it work. I’ll discuss the Ansible bootstrap process in a separate post. I significantly doubt that there is anything new or unique here, but hopefully this information will prove helpful to others facing similar challenges.

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Using PXE with virt-install

In this post, I’ll just share a quick command that can be used to build and install a KVM guest using PXE instead of an ISO image. There’s nothing new here; this is just me documenting a command so that it’s easier for me (and potentially others) to find next time I need it.

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A Quick Introduction to LXD

With the recent release of Ubuntu 15.04, aka “Vivid Vervet”, the Ubuntu community has also unveiled an early release of LXD (pronounced “lex-dee”), a new project aimed at revitalizing the use of LXC and LXC-based containers in the face of application container efforts such as Docker and rkt. In this post, I’ll provide a quick introduction to LXD.

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Interop Liveblog: The Post-Cloud

This session is titled “The Post-Cloud,” and the speaker is Nick Weaver, Director of SDI-X at Intel.

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Interop Liveblog: Thursday Cloud Connect Keynote

This is a liveblog of the Thursday morning Cloud Connect keynote at Interop 2015 in Las Vegas. The title of the presentation is “Doing it Live,” and the speaker is Jared Wray (@jaredwray on Twitter; he’s Cloud CTO and SVP of Platform at CenturyLink).

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Interop Liveblog: Techniques of a Network Detective

This is “Techniques of a Network Detective,” led by Denise “Fish” Fishburne (@DeniseFishburne on Twitter). Denise starts the session with a quick introduction, in which she discloses that she is a “troubleshooting junkie.” She follows up with a short description of what life looks like in her role in the customer proof-of-concept lab at Cisco.

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Interop Liveblog: IPv6 Microsegmentation

This session was titled “IPv6 Microsegmentation,” and the speaker was Ivan Pepelnjak. Ivan is, of course, a well-known figure in the networking space, and publishes content at http://ipspace.net.

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Running vSphere on AWS or GCE

By now you’ve probably seen or heard the news about Ravello Systems launching Inception—the ability to run nested VMware ESXi on AWS or GCE, including the ability to run VMs on these nested ESXi instances. (Here’s Ravello’s press release.)

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Technology Short Take #50

Welcome to Technology Short Take #50, the latest in my series of posts sharing various links and articles pertaining to key data center technologies. I hope that you find something useful here!

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