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Gonzalo San Gil, PhD.

Review: Puppet vs. Chef vs. Ansible vs. Salt | InfoWorld - 0 views

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    "The leading configuration management and orchestration tools take different paths to server automation By Paul Venezia Follow InfoWorld | Nov 21, 2013 RELATED TOPICS Data Center Cloud Computing Server Provisioning The proliferation of virtualization coupled with the increasing power of industry-standard servers and the availability of cloud computing has led to a significant uptick in the number of servers that need to be managed within and without an organization"
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    "The leading configuration management and orchestration tools take different paths to server automation By Paul Venezia Follow InfoWorld | Nov 21, 2013 RELATED TOPICS Data Center Cloud Computing Server Provisioning The proliferation of virtualization coupled with the increasing power of industry-standard servers and the availability of cloud computing has led to a significant uptick in the number of servers that need to be managed within and without an organization"
Gonzalo San Gil, PhD.

How to Create Virtual Machines in Linux Using KVM (Kernel-based Virtual Machine) - Part 1 - 0 views

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    "This tutorial discusses KVM introduction, deployment and how to use it to create virtual machines under RedHat based-distributions such as RHEL/CentOS7 and Fedora 21."
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    "This tutorial discusses KVM introduction, deployment and how to use it to create virtual machines under RedHat based-distributions such as RHEL/CentOS7 and Fedora 21."
Gonzalo San Gil, PhD.

How to configure peer-to-peer VPN on Linux - Xmodulo - 0 views

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    "Last updated on October 9, 2014 Authored by Dan Nanni Leave a comment A traditional VPN (e.g., OpenVPN, PPTP) is composed of a VPN server and one or more VPN clients connected to the server. When any two VPN clients talk to each other, the VPN server needs to relay VPN traffic between them. The problem of such a hub-and-spoke type of VPN topology is that the VPN server can easily become a performance bottleneck as the number of connected clients increase"
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    "Last updated on October 9, 2014 Authored by Dan Nanni Leave a comment A traditional VPN (e.g., OpenVPN, PPTP) is composed of a VPN server and one or more VPN clients connected to the server. When any two VPN clients talk to each other, the VPN server needs to relay VPN traffic between them. The problem of such a hub-and-spoke type of VPN topology is that the VPN server can easily become a performance bottleneck as the number of connected clients increase"
Paul Merrell

Sun's Advanced Datacenter (Santa Clara, CA) - System News - 0 views

  • To run Sun’s award-winning data centers, a modular design containing many "pods" was implemented to save power and time. The modular design aids the building of any sized datacenter. Inside of each pod, there are 24 racks. Each of these 24 racks has a common cooling system as does every other modular building block. The number of pods is limited by the size of the datacenters. Large and small datacenters can benefit from using the pod approach. The module design makes it easy to configure a datacenter to meet a client's requirements. As the datacenter grows over time, adding pods is convenient. The module and pod designs make it easy to adapt to new technology such as blade servers. Some of the ways that Sun’s datacenter modules are designed with the future in mind are as follows:
  • To run Sun’s award-winning data centers, a modular design containing many "pods" was implemented to save power and time. The modular design aids the building of any sized datacenter. Inside of each pod, there are 24 racks. Each of these 24 racks has a common cooling system as does every other modular building block. The number of pods is limited by the size of the datacenters. Large and small datacenters can benefit from using the pod approach. The module design makes it easy to configure a datacenter to meet a client's requirements. As the datacenter grows over time, adding pods is convenient. The module and pod designs make it easy to adapt to new technology such as blade servers.
  • An updated 58-page Sun BluePrint covers Sun's approach to designing datacenters. (Authors - Dean Nelson, Michael Ryan, Serena DeVito, Ramesh KV, Petr Vlasaty, Brett Rucker, and Brian Day): ENERGY EFFICIENT DATACENTERS: THE ROLE OF MODULARITY IN DATACENTER DESIGN. More Information Sun saves $1 million/year with new datacenter Take a Virtual Tour
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  • An updated 58-page Sun BluePrint covers Sun's approach to designing datacenters. (Authors - Dean Nelson, Michael Ryan, Serena DeVito, Ramesh KV, Petr Vlasaty, Brett Rucker, and Brian Day): ENERGY EFFICIENT DATACENTERS: THE ROLE OF MODULARITY IN DATACENTER DESIGN.
  • Take a Virtual Tour
  • Other articles in the Hardware section of Volume 125, Issue 1: Sun's Advanced Datacenter (Santa Clara, CA) Modular Approach Is Key to Datacenter Design for Sun Sun Datacenter Switch 3x24 See all archived articles in the
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    This page seems to be the hub for information about the Sun containerized data centers. I've highlighted links as well as text, but not all the text on the page. Info gathered in the process of surfing the linked pages: [i] the 3x24 data switch page recomends redundant Solaris instances; [ii] x64 blade servers are the design target; [iii] there is specific mention of other Sun-managed data centers being erected in Indiana and in Bangalore, India; [iv] the whiff is that Sun might not only be supplying the data centers for the Microsoft cloud but also managing them; and [v] the visual tour is very impressive; clearly some very brilliant people put a lot of hard and creative work into this.
Gonzalo San Gil, PhD.

Configuring WINE with Winetricks - 0 views

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    "If winecfg is a screwdriver, winetricks is a power drill. They both have their place, but winetricks is just a much more powerful tool. Actually, it even has the ability to launch winecfg. While winecfg gives you the ability to change the settings of WINE itself, winetricks gives you the ability to modify the actual Windows layer. It allows you to install important components like .dlls and system fonts as well as giving you the capability to edit the Windows registry. It also has a task manager, an uninstall utility, and file browser. Even though winetricks can do all of this, the majority of the time, you're going to be using it to manage dlls and Windows components."
Paul Merrell

Save Firefox! | Electronic Frontier Foundation - 0 views

  • The World Wide Web Consortium (W3C), once the force for open standards that kept browsers from locking publishers to their proprietary capabilities, has changed its mission. Since 2013, the organization has provided a forum where today's dominant browser companies and the dominant entertainment companies can collaborate on a system to let our browsers control our behavior, rather than the other way. This system, "Encrypted Media Extensions" (EME) uses standards-defined code to funnel video into a proprietary container called a "Content Decryption Module." For a new browser to support this new video streaming standard -- which major studios and cable operators are pushing for -- it would have to convince those entertainment companies or one of their partners to let them have a CDM, or this part of the "open" Web would not display in their new browser. This is the opposite of every W3C standard to date: once, all you needed to do to render content sent by a server was follow the standard, not get permission. If browsers had needed permission to render a page at the launch of Mozilla, the publishers would have frozen out this new, pop-up-blocking upstart. Kiss Firefox goodbye, in other words.
  • The W3C didn't have to do this. No copyright law says that making a video gives you the right to tell people who legally watch it how they must configure their equipment. But because of the design of EME, copyright holders will be able to use the law to shut down any new browser that tries to render the video without their permission. That's because EME is designed to trigger liability under section 1201 of the Digital Millennium Copyright Act (DMCA), which says that removing a digital lock that controls access to a copyrighted work without permission is an offense, even if the person removing the lock has the right to the content it restricts. In other words, once a video is sent with EME, a new company that unlocks it for its users can be sued, even if the users do nothing illegal with that video. We proposed that the W3C could protect new browsers by making their members promise not to use the DMCA to attack new entrants in the market, an idea supported by a diverse group of W3C members, but the W3C executive overruled us saying the work would go forward with no safeguards for future competition. It's even worse than at first glance. The DMCA isn't limited to the USA: the US Trade Representative has spread DMCA-like rules to virtually every country that does business with America. Worse still: the DMCA is also routinely used by companies to threaten and silence security researchers who reveal embarrassing defects in their products. The W3C also declined to require its members to protect security researchers who discover flaws in EME, leaving every Web user vulnerable to vulnerabilities whose disclosure can only safely take place if the affected company decides to permit it.
  • The W3C needs credibility with people who care about the open Web and innovation in order to be viable. They are sensitive to this kind of criticism. We empathize. There are lots of good people working there, people who genuinely, passionately want the Web to stay open to everyone, and to be safe for its users. But the organization made a terrible decision when it opted to provide a home for EME, and an even worse one when it overruled its own members and declined protection for security research and new competitors. It needs to hear from you now. Please share this post, and spread the word. Help the W3C be the organization it is meant to be.
Gonzalo San Gil, PhD.

How you can easily secure your data with OpenVPN a free vpn software - 1 views

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    "One of the most concerning factors to me while browsing, Is how can I ensure that my data remains private and secure ?"
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