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Deploying GlusterFS using Ansible

During last weeks I've been playing with two new technologies and I though it might be useful to mix them up: Ansible & GlusterFS. The most annoying part of a GlusterFS engagement is the nodes' setup & configuration, RHN registration, subscriptions management, packages installation, etc. Just think to all these...

[supervisord] Multiple processes in a single container

IntroductionMany times at customer site I have been asked for creating a container full of services, daemons and stuff like a container could be used like a full virtual machine. After explaining the containers' real purpose, their correct usage and the differences between a container and a vm, the process...

Monitoring OpenShift through its and/or Kubernetes API

While proceeding with CloudForms installation and configuration, I thought about the chance to monitor some pieces of the OpenShift v3 infrastructure using existing monitor tool (Zabbix for example). In the example I'll describe, I want (for now) monitor the state of all the OpenShift nodes and the restart count for...

Red Hat Satellite 6: Openstack instances self provisioning

I've seen a lot of questions around this theme, with this blog post I'll show you step by step how to setup your Satellite 6 to self provision Openstack instances. First of all you need to login to your Satellite 6 platform and then move to: Infrastructure -> Compute resources...

Fast #Kamailio deployment using #Docker

Some days ago I’ve published on Github a Dockerfile for faster deploying Kamailio SIP server using Docker’s containers.Dockerfile is really simple and it consists of some actions for getting the latest repo file and install kamailio using Fedora’s default package manager: yum.Oh.. yes I’ve used as base image a Fedora...

How to move VMware ESXi VM to new datastore using vmkfstools

After replacing or upgrading some storage on your VMware ESXi server it could be useful or mandatory to move some VM to a new datastore. The process is not too complex but it requires some explanation: Power off VM (Optional) Consolidate snapshots if needed. Remove VM from vCenter inventory Right click...