Howto create a Docker Image for RHEL
RHEL docker images are not available from Docker Hub. It’s available from Redhat docker registry and the catalog can be accessed here. However there could be cases where you might want to create a...
Category: HowTo
How to Manage your Development System behind firewall using Tutum
Tutum can now manage hosts behind firewalls as well. This is especially useful for development environments on Virtual Machines (VMs) running on laptops or systems without having public IPs. It’s always better to know...
How to Build Upstream Docker on Ubuntu for Power (ppc64) Servers
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...
How to use OpenVswitch with Docker
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...
Container Orchestration on AWS and Softlayer with Tutum
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...
How to create repeatable development environments on KVM on Power using Vagrant and Docker
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...
How to use Vagrant Docker provisioner with PowerKVM
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...
How to use Vagrant with KVM on Power
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...
Create Nagios Docker container and use it to Monitor the Health of scale-out POWER systems
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...
OpenStack Nova Availability Zones and Host Aggregates
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...
