Linux Academy

MARCH 28, 2019

As organizations increase their use of Kubernetes in public and Hybrid cloud architectures, it is important not to let a maiden voyage end like a Titanic catastrophe. Vulnerabilities at the operating system level may be exploited by rogue container workloads if not hardened. Use The Right Installer.

Policies 68

Policies Linux Security Virtualization 68

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. Cloud Computing/Cloud Management. Operating Systems/Applications. That’s cool.

Firewall 60

Firewall Virtualization Network Storage 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 According to this article , “It is hard to overstate what a sea change” this sort of architecture will create. Networking.

Vmware 60

Vmware Hardware Storage Linux 60

Scott Lowe

MARCH 17, 2016

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. Cloud Computing/Cloud Management. Cloud Computing/Cloud Management. Career/Soft Skills.

Vmware 60

Vmware Linux Network Open Source 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. Operating Systems/Applications. What’s that? You haven’t heard of PowerNSX before?

Linux 60

Linux Devops Open Source Virtualization 60

Scott Lowe

SEPTEMBER 3, 2013

A discussion of “statefulness” brought me again to Ivan’s post on the spectrum of firewall statefulness. Cloud Computing/Cloud Management. Prasenjit Sarkar, who works in VMware R&D, and runs the Stretch Cloud site , has a write-up on using Data Center Extension (DCE) to VMware vCloud Hybrid Service (vCHS).

Vmware 60

Vmware Data Center Storage Disaster Recovery 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. Cloud Computing/Cloud Management.

Vmware 60

Vmware Windows Network Agile 60

Scott Lowe

FEBRUARY 2, 2017

Vivek Gite over at nixCraft explains how to use ufw (Uncomplicated Firewall) on Ubuntu to limit SSH connections. Cloud Computing/Cloud Management. If you’ve deployed the vRealize Operations Management Pack for NSX, there’s an option to enable Log Insight integration as well. Operating Systems/Applications.

Linux 60

Linux Network Virtualization IPv6 60

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.

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

CIO Business Intelligence

NOVEMBER 2, 2023

So, in a nutshell, least privilege says that every object in a system – whether a user, a process, or an application – must be able to access only the information and resources that it needs, and no more. As we move to the cloud, there are new potential nightmares. In truth, we ignore least privilege at our peril.

Backup 128

Backup Information Security Security Operating Systems 128

Dataconomy

MARCH 28, 2023

There are several layers to an IoT ecosystem architecture, including: Device layer:  This layer includes the sensors and other devices that collect data and interact with the physical environment. Cloud Platform IoT cloud platforms enable data storage, processing, and analysis in the cloud.

Data 28

Data Storage Security Network 28

Dataconomy

MARCH 28, 2023

There are several layers to an IoT ecosystem architecture, including: Device layer:  This layer includes the sensors and other devices that collect data and interact with the physical environment. Cloud Platform IoT cloud platforms enable data storage, processing, and analysis in the cloud.

Data 28

Data Storage Security Network 28

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

Dataconomy

SEPTEMBER 12, 2023

The VM is given its own operating system and resources, but they are all contained within the host computer. Server virtualization software creates a layer of abstraction between the physical hardware and the operating system, allowing multiple OSes to run on a single machine ( Image credit ) How does server virtualization work?

Virtualization 78

Virtualization Storage Hardware Disaster Recovery 78

Scott Lowe

JUNE 4, 2013

This post by Ranga Maddipudi shows you how to use App Firewall in conjunction with VXLAN logical networks. Another post by Tom Nolle explores the relationship—complicated at times—between SDN, NFV, and the cloud. App Firewall? Cloud Computing/Cloud Management. Operating Systems/Applications.

HP 106

HP Virtualization Hardware Network 106

Scott Lowe

JUNE 4, 2013

This post by Ranga Maddipudi shows you how to use App Firewall in conjunction with VXLAN logical networks. Another post by Tom Nolle explores the relationship—complicated at times—between SDN, NFV, and the cloud. App Firewall? Cloud Computing/Cloud Management. Operating Systems/Applications.

HP 61

HP Virtualization Hardware Network 61