Tags: vm

How to Install LXD Container Hypervisor on Ubuntu 16.04 LTS Server

LXD is lxc on steroids with strong security on the mind. LXD is not a rewrite of LXC. Under the hood, LXD uses LXC through liblxc and its Go binding. LXD container “hypervisor” runs unmodified Debian/Ubuntu/CentOS/Arch and other Linux operating systems  ("distros") VM at incredible speed. In this...
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Vagrant Provisioning with Puppet

Automating software installations is an important part of deploying virtual machines with Vagrant. This process is called provisioning and can be integrated with DevOps tools, such as Puppet. Let's see how to do that. Vagrantfile Configuration The configuration for any Vagrant virtual machine is in...
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Manage Disk Image Files Wisely in the Face of DevOps Sprawl

There are strategies to prevent obsolete disk images from clogging up valuable space, especially in a rapid-change DevOps shop. However, not all VMs will benefit from the same plan. Disk images are fast and easy to create, but they're not free and they cause administrative problems. Each image file...
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Containers and Immutable Deployments (The DevOps 2.0 Toolkit)

The third part in the DevOps Toolkit series looks at further ways to solve infrastructure problems beyond configuration management by turning to everyone's favorite whale... Even though CM alleviated some of the infrastructure problems, it did not make them go away. The problem is still there, only...
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Powerful Bit-Flipping Attack

New research: "Flip Feng Shui: Hammering a Needle in the Software Stack," by Kaveh Razavi, Ben Gras, Erik Bosman Bart Preneel, Cristiano Giuffrida, and Herbert Bos. Abstract: We introduce Flip Feng Shui (FFS), a new exploitation vector which allows an attacker to induce bit flips over arbitrary ...
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State of Cloud Instance Provisioning

If you are dealing with deploying instances (a.k.a Virtual Machines or VMs) to public cloud (e.g. AWS, Azure), then you might be wondering what your instance goes through before you can start using it. This article is going to be about that. I hope you enjoy it. Please let me know at the end how...
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