With the latest version of gcc (version 5.0 onwards) for Go language having all the required Power (ppc64) architecture specific support, now part of Ubuntu 15.04 LE (ppc64el), its very easy to build upstream...
It is a known fact, that Docker uses linux bridge for container networking, by default. When docker daemon starts, it creates a linux bridge named docker0, and assigns an IP address from the following...
What is Tutum? Tutum, an awesome piece of work, can be described as an orchestration platform for containerized applications. You select the hosting infrastructure provider, and let Tutum manage the container work-flow. It has...
Continuing our series on Vagrant usage with KVM on Power, in this article we’ll see how to create repeatable development environments using Vagrant and Docker. Developers working on the Intel platform might be already...
Vagrant provisioners allow software installation, configuration changes and other changes to the machines. Vagrant provides multiple provisioners, starting from simple shell scripts to complete configuration management systems, like chef, puppet, ansible etc. Provisioners get...
Vagrant is one of the ubiquitous devops tool for provisioning and managing operating environments on multitude of platforms – KVM, Virtualbox, AWS, Softlayer, Rackspace etc. In this article, we’ll see how to use Vagrant...
Nagios is an open source IT infrastructure monitoring tool, and is very common in datacenters. Initial roll-out of Nagios in a datacenter is bit of a challenge. However, with the introduction of appliance delivery...
Host aggregate is a way to group hosts. A host aggregate is created by assigning key-value pairs to group of machines. Note that only cloud administrators can configure and manage host aggregates. A host...
KVM supports VirtIO random number generator (RNG) which is a paravirtualized device that is exposed as a hardware RNG device to the guest. On the host, it can be hooked up to a real...
Quite often application requirements would demand using locally attached disks (or direct attached disks) for OpenStack compute instances. One such example is running virtual hadoop clusters via OpenStack. A virtual hadoop cluster on OpenStack...
