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

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

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. Virtualization. Good advice.

Linux 60

Linux Network Virtualization IPv6 60

Scott Lowe

JUNE 20, 2016

Plumgrid is one of the primary commercial sponsors behind the IO Visor project , a Linux Foundation project, which leverages the extended Berkeley Packet Filter (eBPF) subsystem in the Linux kernel. Route aggregation is leveraged wherever possible, and Calico programs IPTables on each host to handle security policies.

Meeting 60

Meeting Linux Storage Network 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.

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.

Windows 60

Windows Vmware Virtualization Linux 60

SecureWorld News

JUNE 12, 2023

Some courses are tailored to a specific discipline, while others may be broader, covering areas such as network security , ethical hacking, and more. For example, on mobile devices, an attack is launched every 39 seconds , so it is vital to know how to secure a range of endpoints. based on reviews on Coursera) Cost: Free [link] 2.

Course 60

Course IBM Security Industry 60

Scott Lowe

OCTOBER 27, 2017

Russell Bryant has a post on Open Virtual Network (OVN) , a project within the Open vSwitch (OVS) community. This blog post discusses some of the new network security functionality available in vSphere Integrated Containers (VIC) version 1.2; specifically, the new container network firewall functionality. Virtualization.

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. Russell Pope at Kovarus recently wrote about using security groups to manage the VMware NSX distributed firewall. You may also find this (related) article on memory inside Linux containers to be helpful.

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). Virtualization. Networking.

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. Here’s a great article highlighting some of the risks involved in relying only on HTTPS certificates to denote the “security” or “validity” of a site. Virtualization.

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). 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

Sysdig Falco , a behavioral security tool with support for containers (can run in a container and can monitor containers) looks like it could be a useful addition to your security toolset. This is a highly technical article on scheduling in the Linux kernel , but it’s well worth reading. Virtualization.

Linux 60

Linux Network Hardware Vmware 60

Dataconomy

OCTOBER 17, 2023

While these can be malicious hackers who are after our sensitive data, they can also be white hat hackers who ensure our security by monitoring us from a distance. How safe is it to leave our cyber security in the hands of a hacker? So what are the hats worn by these hackers and how do they change their methods and goals?

Network 45

Network Security Applications System 45

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. What does this mean? Cloud Computing/Cloud Management. You’re welcome.

Vmware 60

Vmware Linux Hardware Software Development 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

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. Speaking of AWS Lambda, here’s an article by CloudSploit on how they leverage AWS Lambda for their security scanning service. Virtualization.

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. Virtualization. x that involves booting on a Linux CD. I hope that something in here is useful to you.

Vmware 60

Vmware Data Center Storage Disaster Recovery 60

CTOvision

FEBRUARY 4, 2015

Data Security—What’s New and What’s Next? Chief Security Architect, Office of the CTO, Cloudera. Security Spotlight: Focus on HIPAA and PCI Compliance. Chief Security Architect, Office of the CTO, Cloudera. Security and Compliance in the Era of Big Data. Chief Security Architect, Office of the CTO, Cloudera.

Fractional CTO 150

Fractional CTO CTO CTO Hire Big Data 150

CTOvision

JANUARY 18, 2015

Data Security—What’s New and What’s Next? Chief Security Architect, Office of the CTO, Cloudera. Security Spotlight: Focus on HIPAA and PCI Compliance. Chief Security Architect, Office of the CTO, Cloudera. Security and Compliance in the Era of Big Data. Chief Security Architect, Office of the CTO, Cloudera.

Program Management 150

Program Management Fractional CTO CTO Programming 150

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

ForAllSecure

MARCH 30, 2022

In this episode I’ll talk with two security researchers who simply followed the rabbit. Vamosi: Cloud security is relatively new and as such it probably hasn’t gotten as much attention as it deserves. It was a pretty serious vulnerability; a 9 out of 10 in security. And I'm a security researcher at Wiz.

Firewall 52

Firewall Virtualization Authentication Linux 52

Scott Lowe

OCTOBER 23, 2020

My list of links and articles from around the web seems to be a bit heavy on security-related topics this time. 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. Virtualization. Welcome to Technology Short Take #132!

Open Source 60

Open Source Vmware Disaster Recovery Linux 60

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?” Linux malware is getting more sophisticated. Virtualization. ” Get ready to get nerdy! Servers/Hardware.

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

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. Virtualization.

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 ). Networking.

Vmware 109

Vmware Storage Virtualization HP 109

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

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). Welcome to Technology Short Take #53. Networking.

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

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. A more detailed analysis of silicon photonics can be had over at The Next Platform.

Vmware 60

Vmware Linux Intel Storage 60

ForAllSecure

MARCH 24, 2021

Years ago, I was the lead security software reviewer at ZDNet and then at CNET. 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 I was able to repeat the process over and over.

Open Source 52

Open Source Operating Systems Software Software 52

ForAllSecure

MARCH 24, 2021

Years ago, I was the lead security software reviewer at ZDNet and then at CNET. 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 I was able to repeat the process over and over.

Open Source 52

Open Source Operating Systems Software Software 52

Scott Lowe

FEBRUARY 10, 2015

tech preview of virtual networks for Docker. The “gotcha” is that these software stacks haven’t been written yet, so the idea of repurposing hardware from switch to firewall to load balancer is still a bit of a unicorn. Virtualization. Never fear, this site has a walkthrough of the Socketplane.io Servers/Hardware.

Open Source 60

Open Source Vmware Network IBM 60

ForAllSecure

AUGUST 10, 2021

That’s perhaps because of a dedicated group of hackers who are working to improve automotive security. Vamosi: Welcome to the hacker mind an original podcast from for all secure, it's about challenging our expectations about the people who hack for a living. Leale: Now if you bypass that security.

Automotive 52

Automotive Operating Systems System Tools 52