Linux Academy

APRIL 9, 2019

From new courses to new labs, we have a ton of exciting new Google Cloud updates at Linux Academy ( where you can get the most Google Cloud training on this planet! ). Practice what you’re learning by spinning up live environments within Linux Academy! Creating Firewall Rules on a Google Cloud VPC Network.

Training 60

Training Google Cloud Linux 60

Linux Academy

MARCH 28, 2019

Kubernetes nodes rely on underlying virtual servers for both the master control plane and for worker nodes. It is important to use security tooling such as OpenSCAP, the open source version of the Security Content Automation Protocol, to harden virtual machine images prior to their deployment in virtual private clouds.

Policies 68

Policies Linux Security Virtualization 68

Scott Lowe

FEBRUARY 2, 2017

Networking. Michael Kashin has a great article on how Open Virtual Network (OVN, part of the Open vSwitch project) implements virtual networks in OpenStack. In a bit of an older post from late summer 2016, Matt Oswalt outlines why network engineers should care about the network software supply chain.

Linux 60

Linux Network Virtualization IPv6 60

Scott Lowe

JUNE 20, 2016

While at DockerCon 2016 in Seattle today, I took some time on the expo floor to talk to a number of different vendors, mostly focused on networking solutions. Using eBPF, Plumgrid has created in-kernel virtual network functions (VNFs) that do things like bridging, routing, network address translation (NAT), and firewalling.

Meeting 60

Meeting Linux Storage Network 60

Linux Academy

JUNE 26, 2019

Virtually every industry, from healthcare to banking and everything in between, has rules for how businesses handle data. While their requirements differ slightly—and may change annually—both PCI DSS and HIPAA require organizations to build and maintain a secure network and systems using the following security measures: System auditing.

Security 60

Security Linux Policies Meeting 60

Scott Lowe

JUNE 18, 2017

Networking. 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

JUNE 18, 2017

Networking. 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

OCTOBER 27, 2017

Networking. This is a slightly older post providing an overview of container networking , but still quite relevant. 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. Virtualization.

Firewall 60

Firewall Virtualization Network Storage 60

Scott Lowe

NOVEMBER 7, 2014

Networking. This post by Matt Oswalt—the first in a series, apparently—provides a great introduction to 5 development tools for network engineers. Matt also recently posted part 4 (of 5) in his series on SDN protocols; this post covers OpFlex and declarative networking. Virtualization.

Vmware 69

Vmware Linux Storage Virtualization 69

Scott Lowe

MARCH 17, 2016

Networking. At DevOps Networking Forum 2016, I had the opportunity to share a presentation on some Linux networking options. Here’s another topic that came up at the recent DevOps Networking Forum: Spotify’s SDN Internet Router (SIR). Here’s some information on Nuage Networks’ experimental Docker Network plugin.

Vmware 60

Vmware Linux Network Open Source 60

Linux Academy

OCTOBER 2, 2019

Hi, I’m Anna, COO of Linux Academy. Anthony is out on some much-needed vacation, but that’s not going to stop us from updating you on everything new in this Linux Academy Monthly Update. Here are some of the most recent quizzes you can use to check out the updates: Virtual Private Cloud (VPC) AWS . CompTIA Linux Plus XK0-004.

Linux 13

Linux Disaster Recovery Course Firewall 13

SecureWorld News

JUNE 12, 2023

This reliance increases the attack surface of organizations, with large networks requiring constant protection and monitoring. Some courses are tailored to a specific discipline, while others may be broader, covering areas such as network security , ethical hacking, and more. universities, and industry leaders like IBM.

Course 60

Course IBM Security Industry 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 Networking. Numan Siddique describes the native DHCP support available in OVN (Open Virtual Network). Version 2.0

Vmware 60

Vmware Hardware Storage Linux 60

Scott Lowe

AUGUST 16, 2017

Networking. Sjors Robroek describes his nested NSX-T lab that also includes some virtualized network equipment (virtualized Arista switches). Anthony Burke gives a little bit of a sneak peek at some functionality from the upcoming v3 release of PowerNSX: searching NSX Distributed Firewall (DFW) rules.

Windows 60

Windows Virtualization Devops Vmware 60

Scott Lowe

MARCH 2, 2017

Networking. Skydive is (in the project’s own words) an “open source real-time network topology and protocols analyzer.” 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. Virtualization. What’s that? That’s handy.

Linux 60

Linux Devops Open Source Virtualization 60

Cloud Musings

OCTOBER 9, 2018

With over 1300 modules, Ansible simplifies several aspects of IT infrastructure, including web, database, network, cloud, cluster, monitoring, and storage. It effortlessly integrates with any area of the IT infrastructure, be it provisioning virtual machines (VMs) or creating firewall rules.

Tools 94

Tools Applications Network Firewall 94

Scott Lowe

JUNE 29, 2016

Networking. First, we have this post on HiCube, which covers MACVLAN vs. Next, we have a pair of articles by Sreenivas Makam; the first covers MACVLAN and IPVLAN basics , while the second tackles the Docker MACVLAN and IPVLAN network plugins. Virtualization. I think this will be something worth watching. (As

Linux 60

Linux Network Hardware Vmware 60

Scott Lowe

MARCH 10, 2015

Networking. I love this post from Matt Oswalt on five next-gen skills for networking pros. It tells me that some skills—specifically, Linux, automation/configuration management, software development concepts—are going to be essential for all new IT pros in the near future. Here’s hoping you find something useful. You’re welcome.

Vmware 60

Vmware Linux Hardware Software Development 60

Dataconomy

OCTOBER 17, 2023

White hat hackers, also known as ethical hackers or security researchers, are individuals who use their computer programming and networking skills to help organizations protect themselves from cyber threats. These individuals are often highly skilled and have a deep understanding of computer systems, networks, and cybersecurity principles.

Network 45

Network Security Applications System 45

Scott Lowe

MAY 12, 2016

Networking. 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. Virtualization.

Vmware 60

Vmware Windows Network Agile 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

APRIL 24, 2015

Networking. Tyler Christiansen recently published a post on a network automation workflow that was based on a presentation he gave at the SF Network Automation meetup. This article by Russell Bryant is a great overview and update of the work going on with Open Virtual Network (OVN). Virtualization.

Vmware 60

Vmware Storage Firewall Network 60

Scott Lowe

SEPTEMBER 3, 2013

Networking. 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. Virtualization. x that involves booting on a Linux CD. This looks interesting.

Vmware 60

Vmware Data Center Storage Disaster Recovery 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

CTOvision

FEBRUARY 4, 2015

Attendees will have the opportunity to attend expert briefings, learn from and network with experienced practitioners, and ask questions to advance their agency data analytics initiatives and save their organization’s time, funding, and staff resources. Registration & Networking Breakfast. Networking Break. Register here.

Fractional CTO 150

Fractional CTO CTO CTO Hire Big Data 150

CTOvision

JANUARY 18, 2015

Attendees will have the opportunity to attend expert briefings, learn from and network with experienced practitioners, and ask questions to advance their agency data analytics initiatives and save their organization’s time, funding, and staff resources. Registration & Networking Breakfast. Networking Break. Register here.

Program Management 150

Program Management Fractional CTO CTO Programming 150

Scott Lowe

JUNE 4, 2013

Networking. Tom Nolle asks the question , “Is virtualization reality even more elusive than virtual reality?” What happens when multiple VXLAN logical networks are mapped to the same multicast group? This post by Ranga Maddipudi shows you how to use App Firewall in conjunction with VXLAN logical networks.

HP 106

HP Virtualization Hardware Network 106

Scott Lowe

APRIL 2, 2021

Networking. Ali Al Idrees has a post on using NSX ALB (formerly Avi Networks) with Kubernetes clusters in a vSphere with Tanzu environment. This post provides some examples of shared control planes (and thus shared failure domains) within networking. Linux malware is getting more sophisticated. 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. Networking. ” Ivan Pepelnjak attempts to answer the question, “How much do I need to know about Linux networking?” Virtualization.

Open Source 60

Open Source Vmware Disaster Recovery Linux 60

ForAllSecure

MARCH 30, 2022

So I started intercepting all the traffic on your network. Elliot Alderson: You are using Tor networking to keep the server's anonymous. Fast, GB wifi leads Elliot to discover a TOR network which leads him to the onion routing protocol. Part that doesn't allow good to exist without condition. Then I decided to hack you.

Firewall 52

Firewall Virtualization Authentication Linux 52

Scott Lowe

DECEMBER 10, 2015

Networking. Tor Anderson has an article on using IPv6 for network boot using UEFI and iPXE. has a great blog series going called “Hey, I can DevOps my Network too!” 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.

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. Networking. Ranga Maddipudi ( @vCloudNetSec on Twitter) has put together two blog posts on vCloud Networking and Security’s App Firewall ( part 1 and part 2 ).

Vmware 109

Vmware Storage Virtualization HP 109

Scott Lowe

JUNE 4, 2013

Networking. Tom Nolle asks the question , “Is virtualization reality even more elusive than virtual reality?” What happens when multiple VXLAN logical networks are mapped to the same multicast group? This post by Ranga Maddipudi shows you how to use App Firewall in conjunction with VXLAN logical networks.

HP 61

HP Virtualization Hardware Network 61

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. Networking. If you haven’t read Brent’s article on building network tools with Docker , I highly recommend it. Welcome to Technology Short Take #53.

Vmware 60

Vmware Linux Virtualization Tools 60

Scott Lowe

MAY 15, 2013

I’ve written before about adding an extra layer of network security to your Macintosh by leveraging the BSD-level ipfw firewall, in addition to the standard GUI firewall and additional third-party firewalls (like Little Snitch ). The robust pf firewall should now be running on your OS X Mountain Lion system.

Firewall 117

Firewall Resources Linux Security 117

Scott Lowe

SEPTEMBER 8, 2016

Networking. 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. Red Hat Enterprise Linux Atomic Host (how’s that for a mouthful?) Virtualization. Welcome to Technology Short Take #71! Then again, what do I know?

Vmware 60

Vmware Linux Intel Storage 60

Scott Lowe

FEBRUARY 10, 2015

Networking. Matt Oswalt recently wrapped up his 3-part “DevOps for Networking” series. The NFV discussion seems to be heating up a bit, particularly the “networking” part of NFV. Jason Edelman has posted a self-compiled list of networking projects that are open source ; this is a useful list, so thanks for compiling it Jason!

Open Source 60

Open Source Vmware Network IBM 60