Esta presentacion fue presentado en CampusLink 2.0. Fue la primera vez que yo he hablado profesionalmente en Español. Disfruté esta experiencia demasiado y espero tener la oportunidad hacerlo de nueva en años futuros.
Continue Reading “El Caso De Red Hat: Un Negocio Exitoso Basado en Software Libre”
Background From the organizers: CampusLink 2.0 es un foro para el contacto directo entre estudiantes, maestros, profesionistas y expertos; inmersos en el mundo de las tecnologÃas de información. Translation: CampusLink 2.0 is a forum for direct contact between students, teachers, professionals, and experts; Immersion in the world of information technology. This is one of the
Background From the organizers: The tenth annual Ohio Linux Fest will be held on September 28-30, 2012 at the Greater Columbus Convention Center in downtown Columbus, Ohio. Hosting authoritative speakers and a large expo, the Ohio LinuxFest welcomes all Free and Open Source Software professionals, enthusiasts, and everyone interested in learning more about Free and
This presentation walks through some of the software development processes used to develop Shiva, a mass ssh client. The development of Shiva was used as a teaching aid for a class taught at Ohio Linux Fest 2012. Shiva was used to demonstrate concepts such as good command line interface design, testing, configuration design and advanced features of Bash, such as background functions. This presentation and associated class were developed to help systems adminsitrators think more like developers.
Background This weekend I decided to upgrade my home network with a Cisco WRVS4400N wireless router. Like a typical router it can provide standard wireless services WPA2, DHCP, etc, but the this model also provides support for four distinct VLANs and four distinct SSIDs. This has allowed me to create separate networks for work, play,
Background Recently, I discovered how to use the openssl provided CA script to create a certificate authority and self signed certificates. Traditionally, I had ran all fo the commands manually. When using the CA script it is critical to understand the underlying security concepts. Certificate Authority Openssl has infrstructure to create a long lived Certificate
Background My lab environment is supported by a KVM virtual network at each site. It includes four datacenters, more than a handful of physical machines and tens of KVM based virtual machines. Recently, I discovered that libvirtd does some interesting things with iptables FORWARD rules. When a NAT KVM virtual network is added, the following
Background As a Solutions Architect for Red Hat, I have access to a very nice internal lab. This lab is great for giving demo’s but it is not set-up for personal use. As such, almost all of the Solutions Architects set up their own lab environments. Since, I recently came from working at a data
Basics There are several main factors in maintaining password security. When you store your passwords in an encrypted data store, also called a blob, whether it is online or not, there are two factors which need satisfied for a hacker to get your passwords. First, the hacker must gain access to your password data. Second,
Background I have finally started working on upgrading my very complicated system which combines an online Pomodoro Timer, a Pomodoro Spreadsheet, MediaWiki, Request Tracker, Zimbra Notes, Google Tasks, Zimbra Calendar, and Google Calendar. I am finally combining Google Tasks, Zimbra Tasks and part of the Pomodoro Spreadsheet into SpringPad. Everyone has heard of Evernote, so