Scott Lowe

JUNE 18, 2017

Sjors Robroek describes his nested NSX-T lab that also includes some virtualized network equipment (virtualized Arista switches). Here’s an interesting article on the role that virtualization is playing in the network functions virtualization (NFV) space now that ARM hardware is growing increasingly powerful.

Windows 60

Windows Vmware Virtualization Linux 60

Scott Lowe

FEBRUARY 2, 2017

Michael Kashin has a great article on how Open Virtual Network (OVN, part of the Open vSwitch project) implements virtual networks in OpenStack. Vivek Gite over at nixCraft explains how to use ufw (Uncomplicated Firewall) on Ubuntu to limit SSH connections. Cloud Computing/Cloud Management. Good advice.

Linux 60

Linux Network Virtualization IPv6 60

Scott Lowe

OCTOBER 27, 2017

Russell Bryant has a post on Open Virtual Network (OVN) , a project within the Open vSwitch (OVS) community. 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. Cloud Computing/Cloud Management.

Firewall 60

Firewall Virtualization Network Storage 60

Scott Lowe

NOVEMBER 7, 2014

It was good to read this post on Cumulus Linux first impressions by Jeremy Stretch. I’m a fan of Cumulus, but I’m admittedly a Linux guy (see here ) so you might say I’m a bit biased. Jeremy is a “hard-core” networking professional, and so hearing his feedback on Cumulus Linux was, in my opinion, useful.

Vmware 69

Vmware Linux Storage Virtualization 69

Scott Lowe

MARCH 17, 2016

At DevOps Networking Forum 2016, I had the opportunity to share a presentation on some Linux networking options. At the recent OCP Summit, Microsoft introduced Software for Open Networking in the Cloud (SONiC). Russell Pope at Kovarus recently wrote about using security groups to manage the VMware NSX distributed firewall.

Vmware 60

Vmware Linux Network Open Source 60

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 Numan Siddique describes the native DHCP support available in OVN (Open Virtual Network). Cloud Computing/Cloud Management.

Vmware 60

Vmware Hardware Storage Linux 60

Scott Lowe

AUGUST 16, 2017

Sjors Robroek describes his nested NSX-T lab that also includes some virtualized network equipment (virtualized Arista switches). Here’s an interesting article on the role that virtualization is playing in the network functions virtualization (NFV) space now that ARM hardware is growing increasingly powerful.

Windows 60

Windows Virtualization Devops Vmware 60

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. Cloud Computing/Cloud Management. I just noticed this article about using Nova flavor extra-specs to pass QoS data down to the virtualization layer. What’s that?

Linux 60

Linux Devops Open Source Virtualization 60

Cloud Musings

OCTOBER 9, 2018

And CFEngine, which provide automation for infrastructure, cloud, compliance and security management, integration for deployment and continuous deployment (CI / CD). With over 1300 modules, Ansible simplifies several aspects of IT infrastructure, including web, database, network, cloud, cluster, monitoring, and storage.

Tools 94

Tools Applications Network Firewall 94

Scott Lowe

JUNE 29, 2016

I was also recently introduced to a company called HexaTier (formerly GreenSQL), which provides a database security product supporting both on-premises deployments as well as cloud-based deployments, and supports public cloud database-as-a-service (DBaaS) offerings. Cloud Computing/Cloud Management. Virtualization.

Linux 60

Linux Network Hardware Vmware 60

Scott Lowe

MARCH 8, 2015

Upon hearing the news that Red Hat had released the Atomic Host variant of Red Hat Enterprise Linux , I decided that it would be a good idea for me to take a look at the CentOS flavor of the Atomic Host variant. I’ve spent most of my time with Ubuntu (for general purpose Linux use cases) and CoreOS (for container-optimized use cases).

Linux 60

Linux Cloud Firewall Vmware 60

Scott Lowe

MARCH 10, 2015

I highly recommend you read the entire post, but in short the five skills Matt recommends are software skills (which includes configuration management and software development tools like Git ), Linux, deep protocol knowledge, hypervisor and container networking, and IPv6. Cloud Computing/Cloud Management. What does this mean?

Vmware 60

Vmware Linux Hardware Software Development 60

Galido

JUNE 28, 2018

Monitoring of virtual servers. SSH: For Linux / Unix and MacOS systems. Monitoring of operating time and periods of inactivity (uptime /downtime). Bandwidth monitoring using SNMP, WMI, NetFlow, sFlow, jFlow, packet sniffing. Application monitoring. Web monitoring. SLA monitoring (service level agreement). Environmental monitoring.

Network 60

Network LAN VOIP Licensing 60

Scott Lowe

APRIL 24, 2015

This article by Russell Bryant is a great overview and update of the work going on with Open Virtual Network (OVN). 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).

Vmware 60

Vmware Storage Firewall Network 60

Fountainhead

MAY 5, 2009

Insights into Data Center Infrastructure, Virtualization, and Cloud Computing. With the explosive growth of virtualization, this segment of technology is hotter than ever. In the way virtualization abstracts & configures the software world (O/S, applications, etc.), skip to main | skip to sidebar. Fountainhead.

Data Center 100

Data Center Virtualization Disaster Recovery Storage 100

Scott Lowe

MAY 12, 2016

In the event you’re interested in an idea of how much latency the use of in-kernel hypervisor firewalling (such as that offered by VMware NSX) adds, have a look at this article by Sean Howard. Cloud Computing/Cloud Management. Virtualization. Maybe next time? Operating Systems/Applications.

Vmware 60

Vmware Windows Network Agile 60

Scott Lowe

SEPTEMBER 3, 2013

Art Fewell takes a deeper look at the increasingly important role of the virtual switch. A discussion of “statefulness” brought me again to Ivan’s post on the spectrum of firewall statefulness. Cloud Computing/Cloud Management. Virtualization. x that involves booting on a Linux CD.

Vmware 60

Vmware Data Center Storage Disaster Recovery 60

CTOvision

FEBRUARY 4, 2015

Evaluating Commercial Cloud Services for Government – A Progress Report. Eva Andreasson has been working with JVMs, SOA, Cloud, and infrastructure software for 15+ years. Steve Orrin is Chief Technologist for Intel Corp¹s Federal Division and is responsible for Cyber Security and Cloud Strategy, Architecture and Engagements.

Fractional CTO 150

Fractional CTO CTO CTO Hire Big Data 150

CTOvision

JANUARY 18, 2015

Evaluating Commercial Cloud Services for Government – A Progress Report. Eva Andreasson has been working with JVMs, SOA, Cloud, and infrastructure software for 15+ years. Steve Orrin is Chief Technologist for Intel Corp¹s Federal Division and is responsible for Cyber Security and Cloud Strategy, Architecture and Engagements.

Program Management 150

Program Management Fractional CTO CTO Programming 150

Dataconomy

OCTOBER 17, 2023

The organization’s security team then works to implement these recommendations, which may involve patching software, configuring firewalls, or implementing additional security controls. Familiarize yourself with operating systems Get comfortable with different operating systems, including Windows, macOS, and Linux.

Network 45

Network Security Applications System 45

ForAllSecure

MARCH 30, 2022

You might start out with an innocent question, like what if someone misconfigured their cloud configuration could it lead to holding the keys to Microsoft’s Azure Surface Fabric framework? Vamosi: Cloud security is relatively new and as such it probably hasn’t gotten as much attention as it deserves. Like chasing a rabbit.

Firewall 52

Firewall Virtualization Authentication Linux 52

Scott Lowe

APRIL 2, 2021

This Technology Short Take is a bit heavy on cloud, OS, and programming topics, but there should be enough other interesting links to be useful to plenty of folks. (At Linux malware is getting more sophisticated. Cloud Computing/Cloud Management. Need to list assets across multiple cloud providers? Virtualization.

Vmware 60

Vmware Firewall Storage Comparison 60

Scott Lowe

OCTOBER 23, 2020

Still, there’s a decent collection of networking, cloud computing, and virtualization articles as well as a smattering of other topics for you to peruse. ” Ivan Pepelnjak attempts to answer the question, “How much do I need to know about Linux networking?” Cloud Computing/Cloud Management.

Open Source 60

Open Source Vmware Disaster Recovery Linux 60

Scott Lowe

JUNE 4, 2013

Tom Nolle asks the question , “Is virtualization reality even more elusive than virtual reality?” This post by Ranga Maddipudi shows you how to use App Firewall in conjunction with VXLAN logical networks. I talked before about the difference between network virtualization and SDN, so no need to mention that again.

HP 106

HP Virtualization Hardware Network 106

Scott Lowe

DECEMBER 10, 2015

We all know that security is more than just a host-based firewall, but a host-based firewall can be part of an overall security strategy. This article provides a good introductory overview of Linux iptables commands for configuring host-based firewall rules on your Linux systems. Cloud Computing/Cloud Management.

Windows 60

Windows Firewall Linux Architecture 60

Scott Lowe

MAY 3, 2013

I try to keep the information linked to data center technologies like networking, storage, virtualization, and the like, but occasionally other items slip through. Ranga Maddipudi ( @vCloudNetSec on Twitter) has put together two blog posts on vCloud Networking and Security’s App Firewall ( part 1 and part 2 ). Virtualization.

Vmware 109

Vmware Storage Virtualization HP 109

Scott Lowe

AUGUST 25, 2015

In this post, I’ve gathered links to posts about networking, virtualization, Docker, containers, Linux, configuration management, and all kinds of other cool stuff. Roie Ben Haim, who works in professional services at VMware, has a deep dive on the NSX distributed firewall (DFW). Cloud Computing/Cloud Management.

Vmware 60

Vmware Linux Virtualization Tools 60

Scott Lowe

JUNE 4, 2013

Tom Nolle asks the question , “Is virtualization reality even more elusive than virtual reality?” This post by Ranga Maddipudi shows you how to use App Firewall in conjunction with VXLAN logical networks. I talked before about the difference between network virtualization and SDN, so no need to mention that again.

HP 61

HP Virtualization Hardware Network 61

Scott Lowe

SEPTEMBER 8, 2016

The use of VMware NSX for microsegmentation is a really popular use case, and so the topic of scripting distributed firewall (DFW) rules often comes up. Cloud Computing/Cloud Management. In any case, have a look at this article by Julio Villareal Pelegrino on architecting an OpenStack cloud. No pun intended!)

Vmware 60

Vmware Linux Intel Storage 60

Scott Lowe

FEBRUARY 10, 2015

This time around, the content is a bit heavier on cloud management and applications/operating systems, but still lots of good content all the way around (I hope, anyway). tech preview of virtual networks for Docker. Cloud Computing/Cloud Management. Virtualization. Networking. Servers/Hardware.

Open Source 60

Open Source Vmware Network IBM 60

ForAllSecure

MARCH 24, 2021

That meant I tested the release candidates -- not the final product you’d buy in the stores - for consumer-grade antivirus programs, desktop firewalls, and desktop Intrusion detection systems. And it's on your Mac, and virtually any company that runs the Linux operating system. But it’s actually from Eric S.

Open Source 52

Open Source Operating Systems Software Software 52

ForAllSecure

MARCH 24, 2021

That meant I tested the release candidates -- not the final product you’d buy in the stores - for consumer-grade antivirus programs, desktop firewalls, and desktop Intrusion detection systems. And it's on your Mac, and virtually any company that runs the Linux operating system. But it’s actually from Eric S.

Open Source 52

Open Source Operating Systems Software Software 52

ForAllSecure

AUGUST 10, 2021

You can't run an operating system if you're running like even real time Linux, you probably couldn't do a very good job of activating the cylinders on your, on your engine controller so even an operating system, it has limitations and so why even bother. So we'll have a virtual CTF. Leale: they're way too slow to fire an engine.

Automotive 52

Automotive Operating Systems System Tools 52