Scott Lowe

AUGUST 11, 2016

In this post you’ll find a collection of links to articles discussing the major data center technologies—networking, hardware, security, cloud computing, applications, virtualization…you name it! (If Thinking of using a hardware VTEP (VXLAN Tunnel Endpoint) with VMware NSX? Operating Systems/Applications. Networking.

Vmware 60

Vmware Hardware Storage Linux 60

Scott Lowe

JANUARY 15, 2021

This article by Joshua Fox outlines how and when to use each of the various types of firewalls offered by AWS. From early December 2020, there’s also this reminder about the security updates released by VMware to address a zero-day vulnerability in several products. Operating Systems/Applications.

Linux 60

Linux Firewall Open Source Vmware 60

Scott Lowe

MARCH 17, 2016

I recently came across a couple useful troubleshooting guides, one for Open vSwitch (OVS) and OpenStack Neutron and one for VMware NSX. Russell Pope at Kovarus recently wrote about using security groups to manage the VMware NSX distributed firewall. Operating Systems/Applications. VMware recently GA’d version 6.2

Vmware 60

Vmware Linux Network Open Source 60

CIO Business Intelligence

AUGUST 15, 2022

Instead, Koch’s engineering team set about virtualizing the physical transports to build the SD-LAN and firewall within the cloud rather than in the data center. This helps us move our team up the talent chain so they can focus on working with applications teams in the company and produce much better business outcomes.”.

CTO 97

CTO Network Cloud Data Center 97

Scott Lowe

MARCH 10, 2015

Anthony Burke (disclaimer: Anthony works for VMware in the NSBU) has a post on how to use Python to automate the bulk creation of firewall rules for use with the VMware NSX distributed firewall. Here’s a post by Grant Orchard on using VMware NSX’s security groups to protect workloads deployed via vCAC (now vRA).

Vmware 60

Vmware Linux Hardware Software Development 60

Cloud Musings

OCTOBER 9, 2018

Amidst volatile markets, dynamic technology shifts, and ever-increasing customer demands, it is imperative for IT organizations to develop flexible, scalable and high-quality applications that exceed expectations and enhance productivity. Grab this Headline Animator ( Thank you.

Tools 94

Tools Applications Network Firewall 94

Scott Lowe

NOVEMBER 7, 2014

I really appreciate Jay’s focus on what’s beneficial to the users of OpenStack: the cloud operators, the end users/consumers, and the developers building applications on top of OpenStack. Nice use of VMware Fusion in part 2, by the way.). Operating Systems/Applications. See part 1 and part 2 for the full details.

Vmware 69

Vmware Linux Storage Virtualization 69

Scott Lowe

JUNE 18, 2017

Colin Lynch shares some details on his journey with VMware NSX (so far). I wouldn’t take this information as gospel, but here’s a breakdown of some of the IPv6 support available in VMware NSX. Operating Systems/Applications. Servers/Hardware. Cloud Computing/Cloud Management.

Windows 60

Windows Vmware Virtualization Linux 60

Scott Lowe

JUNE 18, 2017

Colin Lynch shares some details on his journey with VMware NSX (so far). I wouldn’t take this information as gospel, but here’s a breakdown of some of the IPv6 support available in VMware NSX. Operating Systems/Applications. Servers/Hardware. Cloud Computing/Cloud Management.

Windows 60

Windows Vmware Virtualization Linux 60

Scott Lowe

APRIL 24, 2015

This is kind of cool, and (in my humble opinion) a sign of changing times: Juniper has Vagrant boxes as well as a Vagrant plugin for working with vSRX (virtual firewall) VMs (via this article from Matt Oswalt). Here are some general guidelines for configuring syslog forwarding on a Cisco ASA firewall. Operating Systems/Applications.

Vmware 60

Vmware Storage Firewall Network 60

Scott Lowe

SEPTEMBER 3, 2013

A discussion of “statefulness” brought me again to Ivan’s post on the spectrum of firewall statefulness. VMware introduced VMware NSX recently at VMworld 2013. Operating Systems/Applications. I am loving the micro-infrastructure series by my VMware vSphere Design co-author, Forbes Guthrie.

Vmware 60

Vmware Data Center Storage Disaster Recovery 60

Scott Lowe

MAY 6, 2013

Although I used to work at EMC before I joined VMware earlier this year , I never really had deep access to what was going on with this project, so my thoughts here are strictly based on what’s been publicly disclosed. Courteous comments are always welcome (but do please add vendor affiliations where applicable)!

Storage 116

Storage Virtualization Vmware Network 116

Scott Lowe

OCTOBER 27, 2017

specifically, the new container network firewall functionality. When I was using Fedora, I needed some useful information on firewall-cmd , and found this article to be helpful. Operating Systems/Applications. I suppose this is fully expected, given the impact of VMware and hypervisors. That’s cool.

Firewall 60

Firewall Virtualization Network Storage 60

Scott Lowe

AUGUST 16, 2017

Colin Lynch shares some details on his journey with VMware NSX (so far). I wouldn’t take this information as gospel, but here’s a breakdown of some of the IPv6 support available in VMware NSX. Operating Systems/Applications. Servers/Hardware. Cloud Computing/Cloud Management.

Windows 60

Windows Virtualization Devops Vmware 60

Galido

JUNE 28, 2018

Application monitoring. PRTG monitors all types of systems, devices and applications in your IT infrastructure: SNMP: Ready to use and with customization options. More than 190 types of sensors cover all aspects of network monitoring. Monitoring of operating time and periods of inactivity (uptime /downtime). Web monitoring.

Network 60

Network LAN VOIP Licensing 60

Scott Lowe

MAY 12, 2016

I recently spoke at Interop 2016 in Las Vegas, and while I was there I scribbled down some notes pertaining to how decomposing applications into microservices-based architectures was similar in some respects to decomposing networks into an overlay network and an underlay (physical) network. Operating Systems/Applications. Networking.

Vmware 60

Vmware Windows Network Agile 60

Scott Lowe

SEPTEMBER 11, 2012

Verplanke believes that DPDK (Data Plane Development Kit) and virtualization are key to virtualizing workloads that move around lots and lots of packets, such as firewalls, routers, and other similar functions. These challenges can be summarized as: I/O-intensive application virtualization. Intra-VM communication.

Virtualization 113

Virtualization Intel Cloud Data 113

Fountainhead

MAY 12, 2009

Profiling questions nobodys asking re: cloud applications. But so little attention is being paid to identifying & profiling which applications are best-suited to actually run in an external "cloud." of what ideal application properties pre-dispose apps for being well-suited to run in a cloud. Tuesday, May 12, 2009.

Cloud 186

Cloud Data Center Applications Virtualization 186

Scott Lowe

NOVEMBER 28, 2016

This session will not focus on the VMware announcement regarding VMware Cloud on AWS. VPC allows customers to leverage IP addressing schemes that fit into their own addressing schemes, and supports ACLs, stateful firewalling (security groups), route tables, etc. Butler says there will be some demos along the way.

Architecture 60

Architecture Cloud Storage Vmware 60

Scott Lowe

APRIL 8, 2013

Greg Ferro examines a potential SDN use case (an OpenFlow use case) in the form of enterprise firewall migrations. Operating Systems/Applications. I hadn’t really considered how one might use BOSH for deploying (and managing) multi-VM applications on vSphere, but Brian provides some practical examples. Interesting.

Storage 111

Storage Vmware WAN Virtualization 111

Scott Lowe

APRIL 29, 2015

IPv4-only implementations include Nuage Virtual Services Platform (VSP) and Cisco Application Centric Infrastructure (ACI). VMware NSX has a stateful IPv6 firewall that provides RA guard and ND inspection services. Microsoft also has a stateful IPv6 firewall.). With that, Ivan wraps up the session.

IPv6 60

IPv6 Firewall Network Mobile 60

Scott Lowe

FEBRUARY 2, 2017

Vivek Gite over at nixCraft explains how to use ufw (Uncomplicated Firewall) on Ubuntu to limit SSH connections. Operating Systems/Applications. Flatpak is a (relatively) new application packaging/sandboxing mechanism for Linux applications. This looks really promising, IMHO—I’m excited to see it continue to develop.

Linux 60

Linux Network Virtualization IPv6 60

Scott Lowe

JUNE 29, 2016

In the event you accidentally locked yourself out of vCenter using NSX’s distributed firewall, this post by Roie Ben Haim provides a workaround for getting yourself out of this pickle. Operating Systems/Applications. Hey, VMware Fusion/Workstation team—want to know why people seem to prefer VB over your technically-superior product?

Linux 60

Linux Network Hardware Vmware 60

Network World

MAY 5, 2017

A few years ago, next-generation firewalls (NGFWs) came out of nowhere to become a network security staple. These devices combined traditional L3/L4 packet filtering with deep packet inspection, IPS, and other network security services along with knowledge about users and applications. Cryptzone, Google BeyondTrust, Vidder, etc.)

Firewall 82

Firewall Network Symantec Data Center 82

Scott Lowe

MARCH 2, 2017

Tony Sangha took PowerNSX (a set of PowerShell cmdlets for interacting with NSX) and created a tool to help document the NSX Distributed Firewall configuration. Operating Systems/Applications. This tool exports the DFW configuration and then converts it into Excel format, and is available on GitHub. What’s that?

Linux 60

Linux Devops Open Source Virtualization 60

Scott Lowe

AUGUST 26, 2014

Ben Fathi, CTO of VMware, takes the stage to start the keynote, and goes through a recap of yesterday’s announcements: EVO and EVO:RAIL, vCloud Air rebranding and the availability of new services, VMware Integrated OpenStack (VIO), and new product versions (vCloud Suite 5.8, betas of vSphere and VSAN).

Vmware 65

Vmware Architecture Applications Storage 65

Scott Lowe

APRIL 2, 2021

In this post , Jakub Sitnicki digs way deep into the Linux kernel to uncover the answer to the question, “Why are there no entries in the conntrack table for SYN packets dropped by the firewall?” This time, they’re exploiting a weakness that VMware can’t patch: people. Operating Systems/Applications.

Vmware 60

Vmware Firewall Storage Comparison 60

Scott Lowe

AUGUST 28, 2016

After that talk Pat Gelsinger, CEO of VMware, takes the stage. Gelsinger then points out that although IT no longer controls the devices, the applications, or the networks, IT is still held responsible for security breaches. Gelsinger next brings Guido Appenzeller, CTSO of Networking and Security at VMware.

Vmware 60

Vmware Dell Cloud IBM 60

Scott Lowe

OCTOBER 23, 2020

I think a fair number of folks may not be aware that the Nginx ingress controller for Kubernetes—both the community version and the Nginx-maintained open source version—do suffer from timeouts and errors resulting from changes in the back-end application’s list of endpoints (think pods being added or removed). Programming.

Open Source 60

Open Source Vmware Disaster Recovery Linux 60

Scott Lowe

SEPTEMBER 1, 2015

Poonen briefly recaps yesterday’s messaging, and then moves into the focus of today’s keynote—focusing on the “any application and any device” part of the “Ready for Any” messaging. According to Poonen, the core of the solution for “any application on any device” is VMware’s Workspace Suite. What about iOS and Android devices?

Vmware 60

Vmware Applications Network Video 60

Scott Lowe

MAY 3, 2013

Ranga Maddipudi ( @vCloudNetSec on Twitter) has put together two blog posts on vCloud Networking and Security’s App Firewall ( part 1 and part 2 ). Some good advice here on scaling/sizing VXLAN in VMware deployments (as well as some useful background information to help explain the advice). Operating Systems/Applications.

Vmware 109

Vmware Storage Virtualization HP 109

Dataconomy

SEPTEMBER 12, 2023

Server virtualization can do the trick for you if you also struggle to scale your applications to meet growing demands without breaking the bank. With traditional physical servers, adding new applications or services often requires purchasing and installing additional hardware.

Virtualization 78

Virtualization Storage Hardware Disaster Recovery 78

Data Center Knowledge

JULY 17, 2013

Paul Speciale is Chief Marketing Officer at Appcara , which is a provider of a model-based cloud application platform. Numerous IT management tools are available today for use with the cloud, but the rubber meets the road at the level of the application because this is what a user will actually “use.” Cloud Application Management.

Data Center 203

Data Center Cloud Data Applications 203

Scott Lowe

SEPTEMBER 24, 2021

Ivan Pepelnjak shares some links and thoughts on configuring the NSX-T firewall with a CI/CD pipeline built on GitHub Actions and Terraform Cloud. Better patch your vCenter Server instances, as VMware released a security advisory with a long list of CVEs , including one with a severity score of 9.8/10. Operating Systems/Applications.

Open Source 107

Open Source Cloud Network Storage 107

Scott Lowe

SEPTEMBER 8, 2016

Dmitri Kalintsev is back with another article in a series of articles on using hardware VXLAN tunnel endpoints (VTEPs) with VMware NSX. Here’s a handy post by Dale Coghlan on how to find object IDs for just about anything in a VMware NSX environment. Operating Systems/Applications. Servers/Hardware. Then again, what do I know?

Vmware 60

Vmware Linux Intel Storage 60

Scott Lowe

AUGUST 25, 2015

I think I’ve mentioned this before (it’s really hard to keep track of which articles you’ve included in a Technology Short Take already, so apologies if this is a duplicate), but this article provides a good overview of the VXLAN control plane modes in VMware NSX. Operating Systems/Applications. Keep up the great work, Brent!)

Vmware 60

Vmware Linux Virtualization Tools 60

Virtualized Greek

JANUARY 30, 2014

My typical use case is an application that has virtual servers that work in conjunction with physical hosts. These hosts can be physical servers, firewalls or load balancers. What if you wanted to manage the entire application environment as a single virtual network? The application can become self contained. First, why.

Dell 83

Dell Load Balancer Virtualization Network 83