Julio's Blog & Personal Website

Julio's Blog & Personal Website

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Navigating Digital Transformation Challenges with the Platforming Approach: A Guide for Leaders.

digital transformation

Navigating Digital Transformation Challenges with the Platforming Approach: A Guide for Leaders.

Discover how the platforming approach can help your organization overcome common challenges in digital transformation and achieve optimal outcomes. This approach involves treating platforms as products and prioritizing capabilities over roles.

An introduction to Enhanced Platform Awareness (EPA) capabilities in OpenStack

An introduction to Enhanced Platform Awareness (EPA) capabilities in OpenStack

A quick introduction to Enhanced Platform Awareness capabilities in OpenStack: NUMA, CPU Pinning, and Huge Pages.

Ansible and Ansible Tower: best practices from the field

ansible Featured

Ansible and Ansible Tower: best practices from the field

One of my favorite open source projects in the last couple years is Ansible. In this article, I want to share some recommendations based on the first-hand experience in the field.

What technologies to follow and learn in 2018!

open cloud Featured

What technologies to follow and learn in 2018!

What technologies to follow and learn in 2018. A few tech predictions for 2018 by Julio Villarreal Pelegrino.

Bringing Worlds Together: Designing and Deploying Kubernetes on an OpenStack multi-site environment

Bringing Worlds Together: Designing and Deploying Kubernetes on an OpenStack multi-site environment

At OpenStack Summit Sydney, fellow Red Hatter Roger Lopez and I presented on designing and deploying kubernetes on an OpenStack multi-site environment. Here is the abstract and video of the presentation. Bringing Worlds Together: Designing and Deploying Kubernetes on an OpenStack multi-site environment As companies expand their reach to meet

OpenStack: The Perfect Virtual Infrastructure Manager (VIM) for a Virtual Evolved Packet Core (vEPC)

OpenStack: The Perfect Virtual Infrastructure Manager (VIM) for a Virtual Evolved Packet Core (vEPC)

I had the honor to present at OpenStack Summit Sydney. One of my presentations was with my co-worker Rimma Iontel. Here is the abstract and the video recording of the presentation. OpenStack: The Perfect Virtual Infrastructure Manager (VIM) for a Virtual Evolved Packet Core (vEPC) Virtualizing core services to reduce

Don't Fail at Scale- How to Plan for, Build, and Operate a Successful OpenStack Cloud - Video - OpenStack Summit2017

Here is the presentation that I delivered with fellow Red Hatter Dave Costakos at OpenStack Summit Boston 2017. Here the abstract: "OpenStack is a unique set of cross-functional, fast-moving technologies that challenge the status quo in any IT organization. It has been easy to read about and buy into

Updating the Ghost blog platform in couple simple steps

Hello All, This blog is running on Ghost. Here is a simple way to update the Ghost blogging platform to the latest version. 1. Stop the service running Ghost, in my case, I am using supervisord to do so: supervisorctl stop ghost 2. Create a backup of your blog content:

High Availability and Pacemaker 101!

High Availability and Pacemaker 101!

In this blog post, we will talk a little bit about High Availability and a little bit more about Pacemaker. Here are some of the topics of this post: * Introduction to High Availability (HA) and Clustering. * Benefits of Highly Available applications. * How HA is implemented on Red Hat Enterprise Linux

openstack Featured

Selecting the right storage backend for your OpenStack cloud.

Embracing OpenStack or any other Infrastructure-As-A-Service (IaaS) platform should not be the only decision to take on the road to building your private cloud. Selecting the right cloud components like server hardware, network (architecture and topology), and storage backend is crucial to creating an OpenStack cloud architecture that will meet

Architecting your first OpenStack cloud.

openstack Featured

Architecting your first OpenStack cloud.

OpenStack is the most popular open-source cloud computing platform to build and manage infrastructure-as-a-service (IaaS) environments. Since its inception in 2010 by Rackspace Hosting and NASA this project has gained popularity and positioned itself as a reliable alternative to proprietary IaaS platforms. Now under the management of the OpenStack Foundation

10 things to do after installing Fedora 24.

In this post, I will cover the top 10 things to do after a fresh install of Fedora 24. In my case I use a Fedora workstation spin (Fedora 24 Cinnamon) and here are the things that I do after a fresh install: 1. Set the hostname## [root@unknownbcaec58e9edd ~]# hostnamectl

Upgrading to Fedora 24.

In today post I will show you how to upgrade to Fedora 24 from Fedora 23. The first thing that we are going to check the current version of Fedora and also apply any patches to the system: root@desktop-quebolon-local:[~]#cat /etc/redhat-release Fedora release 23 (Twenty Three) root@desktop-quebolon-local:

Installing and configuring CSF on CentOS 7.

Installing and configuring CSF on CentOS 7.

I have been using CSF (ConfigServer Security and Firewall) in my Linux systems for a while now with great results. CSF is more than a Firewall software, it is also an SPI (Stateful Packet Inspection), LID (Login/Intrusion Detection), and an Application Security software. But the best part of CSF

Fedora 24 released!

Fedora 24 was released on June 20, 2016. To download the different editions of Fedora 24, please visit the Fedora Project site. For the Workstation, Cloud, and Server editions: * Fedora 24 Workstation * Fedora 24 Cloud * Fedora 24 Server For the other releases like Spins, Labs, and ARM: * Fedora 24 Spins