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. Server virtualization is a game-changing technology that has revolutionized the way organizations deploy and manage their IT infrastructure.

Virtualization 78

Virtualization Storage Hardware Disaster Recovery 78

Scott Lowe

AUGUST 6, 2021

I saw this blog post about Curiefense , an open source Envoy extension to add WAF (web application firewall) functionality to Envoy. It’s a good starting point for thinking about operating your own active-active architecture. Operating Systems/Applications. Virtualization. Career/Soft Skills.

Open Source 60

Open Source Load Balancer WAN Architecture 60

Scott Lowe

NOVEMBER 7, 2014

Operating Systems/Applications. I’m not sure if this falls into storage or virtualization, but we’ll place it here in the Storage section. Virtualization. It will be nice when the virtualization industry converges on some common set of disk formats for virtual machines.

Vmware 69

Vmware Linux Storage Virtualization 69

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. If you’re a real storage geek (or if you’re not but are having trouble sleeping), check out this USENIX presentation on erasure coding in Windows Azure storage.

Storage 111

Storage Vmware WAN Virtualization 111

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. Enough said.

Windows 60

Windows Vmware Virtualization Linux 60

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. Enough said.

Windows 60

Windows Vmware Virtualization Linux 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). Operating Systems/Applications.

Vmware 60

Vmware Hardware Storage Linux 60

Dataconomy

MAY 8, 2023

Here are some examples of each party’s responsibilities: CSP responsibilities: Securing the physical infrastructure, such as servers and storage devices. Managing the hypervisor and other virtualization components. Managing the hypervisor and other virtualization components.

Cloud 51

Cloud Security Resources Operating Systems 51

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

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

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. Operating Systems/Applications. Virtualization. I hope that something in here is useful to you.

Vmware 60

Vmware Data Center Storage Disaster Recovery 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. I just noticed this article about using Nova flavor extra-specs to pass QoS data down to the virtualization layer. Operating Systems/Applications. Virtualization.

Linux 60

Linux Devops Open Source Virtualization 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. Operating Systems/Applications. Virtualization.

Linux 60

Linux Network Virtualization IPv6 60

Galido

FEBRUARY 5, 2019

How much storage for backups do they provide? Ensure that your host specializes in custom firewalls for your CMS if you are using one, and updates web server scripts and systems regularly. The term only becomes applicable when we start looking for Virtual Private Servers (VPS) and Dedicated Servers. Enhanced Security.

Backup 103

Backup Resources Security Virtualization 103

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. Operating Systems/Applications. Virtualization. It’s a good post, well worth reading (in my opinion). Servers/Hardware.

Vmware 60

Vmware Windows Network Agile 60

Scott Lowe

MARCH 17, 2016

Russell Pope at Kovarus recently wrote about using security groups to manage the VMware NSX distributed firewall. Operating Systems/Applications. Finally, you might find the VMware Virtual SAN 6.2 Virtualization. Servers/Hardware. Sorry, I don’t have anything for you this time. VMware recently GA’d version 6.2

Vmware 60

Vmware Linux Network Open Source 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. I enjoyed Adam Leventhal’s evaluation of APFS , the new file system announced at the most recent Apple WWDC.

Linux 60

Linux Network Hardware Vmware 60

Scott Lowe

MARCH 10, 2015

What’s really interesting to me is the (completely uncoordinated) alignment between Matt’s list of skills for networking pros and the list I provided to virtualization pros in a series of recent VMUG presentations (refer to slide 15, but the list is software development basics, Linux, automation/orchestration, and public cloud services).

Vmware 60

Vmware Linux Hardware Software Development 60

Galido

FEBRUARY 10, 2017

When you place your resources in the cloud utilizing Microsoft as a provider of public cloud, your network which is situated in the cloud can be termed as a n Azure virtual network (Vnet). Your virtual network can be configured in a similar way as your internal on-premises network; i.e, You can select from various operating systems.

Virtualization 60

Virtualization Microsoft Firewall Network 60

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. For reasons that I won’t go into here (maybe later), I was recently pointed toward the vcluster project (for running virtual Kubernetes clusters in a namespace of an actual cluster).

Open Source 107

Open Source Cloud Network Storage 107

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 ). Networking.

Vmware 109

Vmware Storage Virtualization HP 109

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?” Patrick Kremer writes about using vRealize Log Insight Cloud to monitor for firewall changes in a VMware Cloud on AWS environment.

Vmware 60

Vmware Firewall Storage Comparison 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

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. For reasons that I won’t go into here (maybe later), I was recently pointed toward the vcluster project (for running virtual Kubernetes clusters in a namespace of an actual cluster).

Open Source 60

Open Source Cloud Network Storage 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

ForAllSecure

MARCH 30, 2022

To access these sections of the building, there have to be doors, too, and behind these doors are the various companies, the various cloud clients with all their various virtual machines that can be spun up or spun down. You simply send an HTTP request and retrieve unique information per Virtual Machine (VM). You don't have to.

Firewall 52

Firewall Virtualization Authentication Linux 52

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. ” Speaking of Linux networking…Marek Majkowski of Cloudflare digs deep into conntrack , used for stateful firewalling functionality. Operating Systems/Applications.

Open Source 60

Open Source Vmware Disaster Recovery Linux 60

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. Operating Systems/Applications.

Windows 60

Windows Firewall Linux Architecture 60

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. Pradipta Kumar Banerjee has an article on using local storage for instances in OpenStack. Operating Systems/Applications. Virtualization. DVM looks handy.

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. Operating Systems/Applications. Virtualization. Networking. Servers/Hardware.

Open Source 60

Open Source Vmware Network IBM 60

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). Operating Systems/Applications.

Vmware 60

Vmware Linux Virtualization Tools 60