Scott Lowe

OCTOBER 8, 2021

Operating Systems/Applications. Nice to see that work on getting Linux up and running and fully functional on Apple’s proprietary M1 chips is progressing well. Eric Sloof has a link to a white paper from VMware on host power management in vSphere 7.0. Virtualization.

IPv6 97

IPv6 Storage Hardware Vmware 97

Scott Lowe

AUGUST 27, 2021

I have a fairly diverse set of links for readers this time around, covering topics from microchips to improving your writing, with stops along the way in topics like Kubernetes, virtualization, Linux, and the popular JSON-parsing tool jq. Michael Kashin shares the journey of containerizing NVIDIA Cumulus Linux. Networking. So useful.).

Linux 90

Linux Load Balancer Malware Virtualization 90

Scott Lowe

AUGUST 12, 2022

DNS, BGP, hardware-based security, Kubernetes, Linux—they’re all in here. A “highly evasive” Linux malware named OrBit has emerged; see here for more details. Operating Systems/Applications. Hopefully I’ve managed to find something useful for someone. Networking. Virtualization.

Linux 90

Linux Storage Virtualization Hardware 90

Scott Lowe

NOVEMBER 25, 2020

Operating Systems/Applications. You may have heard of eBPF, the Linux technology that is reshaping Linux applications (and in some ways reshaping Linux itself). You may have heard of eBPF, the Linux technology that is reshaping Linux applications (and in some ways reshaping Linux itself).

Linux 60

Linux Vmware Open Source Examples 60

Scott Lowe

FEBRUARY 16, 2017

The rise of the disaggregated network operating system (NOS) marches on: this time, it’s Big Switch Networks announcing expanded hardware support in Open Network Linux (ONL) , upon which its own NOS is based. I use OTR with Adium on OS X, and OTR with Pidgin on my Fedora Linux laptop.). Operating Systems/Applications.

Vmware 60

Vmware Linux Storage Load Balancer 60

Scott Lowe

JUNE 24, 2022

BPFDoor, as it is known, is a passive backdoor that allows threat actors to remotely connect to a Linux shell. Operating Systems/Applications. Here’s Chris Evans’ take on the Broadcom acquisition of VMware. Colin shares a critical learning item on using Terraform with VMware ESXi. Think again.

Vmware 74

Vmware Linux Storage Virtualization 74

Scott Lowe

JANUARY 19, 2018

This is pretty cool: a WYSIWYG topology designer for VMware NSX. Barry Peddycord shares an update on Ansible support for the Cumulus Linux NCLU. The VMware Cloud-Native Apps group has a breakdown of some of the new features/functionality found in the 1.9 Operating Systems/Applications. Servers/Hardware. or higher).

Vmware 60

Vmware Open Source Linux Cloud 60

Scott Lowe

SEPTEMBER 8, 2023

Michael Kashin has a good post on source IP address selection in Linux. It was, therefore, very satisfying to see not one but two Velero-related posts emerge recently from the VMware blogging community. Amit Gupta shows how to install Cilium in Azure Kubernetes Service (AKS) without kube-proxy.

Vmware 74

Vmware Network Hardware Cloud 74

Scott Lowe

JANUARY 15, 2021

From early December 2020, there’s also this reminder about the security updates released by VMware to address a zero-day vulnerability in several products. Operating Systems/Applications. Ryan Blunden has authored a fairly comprehensive piece on environment variables in Linux and macOS.

Linux 60

Linux Firewall Open Source Vmware 60

Scott Lowe

JUNE 2, 2016

Anthony Burke has written a script that uses VMware NSX to protect VMware Log Insight instances. The first article provides a blueprint for migrating applications to VMware NSX ; the second article supplies some tips for creating filtering policies in VMware NSX. Operating Systems/Applications. Networking.

Vmware 60

Vmware Virtualization Linux Windows 60

Scott Lowe

OCTOBER 8, 2021

Operating Systems/Applications. Nice to see that work on getting Linux up and running and fully functional on Apple’s proprietary M1 chips is progressing well. Eric Sloof has a link to a white paper from VMware on host power management in vSphere 7.0. Virtualization.

IPv6 60

IPv6 Storage Hardware Vmware 60

Scott Lowe

MARCH 17, 2016

At DevOps Networking Forum 2016, I had the opportunity to share a presentation on some Linux networking options. I recently came across a couple useful troubleshooting guides, one for Open vSwitch (OVS) and OpenStack Neutron and one for VMware NSX. Operating Systems/Applications. Have fun reading! Networking.

Vmware 60

Vmware Linux Network Open Source 60

Scott Lowe

JUNE 18, 2021

Via Ivan Pepelnjak, I was pointed to Jon Langemak’s in-depth discussion of working with Linux VRFs. Patrick Kremer walks through using Postman to implement BGP route filtering with VMware Cloud on AWS. Hari Rana has a detailed discussion of security concerns regarding Flatpak (a packaging format for Linux applications).

Vmware 60

Vmware Hardware Load Balancer Apple 60

Scott Lowe

JANUARY 28, 2016

The rise of Linux in importance in the networking industry continues, with Arista announcing enhancements to Arista EOS to support—among other things—Docker containers. As a partial counterpoint to the increased use/visibility of Linux in the networking industry, check out Ivan’s take on Dell’s OS10 announcement. Networking.

Vmware 60

Vmware Linux Open Source Devops 60

Scott Lowe

OCTOBER 28, 2022

William Lam writes about the beta for VMware Cloud Consumption Interface (CCI). Operating Systems/Applications. Nicholas Schmidt takes on using cloud-init with vSphere , using openSUSE as the Linux platform. Tiago Sousa writes about Amplemarket’s use of Pulumi to deal with growing pains. Programming. Virtualization.

Open Source 79

Open Source Apple Vmware Cloud 79

Scott Lowe

APRIL 15, 2022

Although Linux is often considered to be superior to Windows and macOS with regard to security, it is not without its own security flaws. I, personally, would posit that Linux can be more secure than other platforms, but it requires proper configuration and can still be undone by a loose nut behind the keyboard.

Linux 74

Linux Load Balancer IPv6 Licensing 74

Scott Lowe

AUGUST 27, 2021

I have a fairly diverse set of links for readers this time around, covering topics from microchips to improving your writing, with stops along the way in topics like Kubernetes, virtualization, Linux, and the popular JSON-parsing tool jq along the way. Michael Kashin shares the journey of containerizing NVIDIA Cumulus Linux.

Linux 60

Linux Load Balancer Malware Virtualization 60

Scott Lowe

NOVEMBER 17, 2016

Cumulus Networks recently introduced the Cumulus Linux Network Command Line Utility (NCLU) , which provides a more unified front-end to configuring switches running Cumulus Linux. Operating Systems/Applications. Jeff Geerling walks you through how to use Ansible via Windows 10’s Subsystem for Linux.

Linux 60

Linux Vmware Storage Network 60

Scott Lowe

DECEMBER 6, 2013

Of course, I am a fan of network virtualization, since I work with/on VMware NSX.). Martijn Smit has launched a series of articles on VMware NSX. Want some additional information on layer 2 and layer 3 services in VMware NSX? Operating Systems/Applications. Here’s a good source. Any thoughts?

Vmware 60

Vmware Storage Linux Network 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

FEBRUARY 9, 2018

Sam McGeown has a nice diagram of the communications channels between the various VMware NSX components. Operating Systems/Applications. Michael Wittig shares some details on migrating to Amazon Linux 2. Nick Korte shares some “lessons learned” as his team explored VMware vSAN as a storage solution.

Vmware 60

Vmware Linux Network Storage 60

Scott Lowe

JANUARY 27, 2023

Back in October of last year, Tom Hollingsworth weighed in on Hedgehog , the networking company that has set out to commercialize SONiC, a Linux-based NOS used extensively in Azure. Operating Systems/Applications Dewan Ahmed has a great run-down on options for documentation-as-code. to version 8.0.

Programming 90

Programming Open Source Cloud Devops 90

Scott Lowe

OCTOBER 17, 2017

It’s a toolkit, part of the Moby Project, that is used for building secure, portable, and lean operating systems for containers. It uses the moby tooling to build system images. Linux containers on Windows (LCOW) preview support. Multi-arch build system. Fully immutable system images.

Linux 60

Linux Architecture Open Source Vmware 60

Scott Lowe

JULY 21, 2016

First up, there’s a great article on using IPVLAN with Docker and Cumulus Linux (with a tie back to sFlow, naturally!). Here’s a walkthrough by Cody Bunch on setting up BGP on Linux with Cumulus Quagga. These posts are a bit slanted toware VMware vSphere environments, but very detailed, very thorough, and very useful.

Vmware 60

Vmware Linux Storage Hardware 60

Scott Lowe

DECEMBER 29, 2016

Andrey Khomyakov shares some information on automating the setup of whitebox switches running Cumulus Linux in part 2 of this series on learning network automation. Operating Systems/Applications. could make RDP connections to modern Windows systems. could make RDP connections to modern Windows systems.

Vmware 60

Vmware Linux Open Source Data Center 60

Virtualized Greek

JANUARY 28, 2014

Or should I say, I haven’t seen a great operating model for seamlessly managing both Windows and Linux. I’ve also seen how difficult it is to manage both the product and operations model. Hypervisors should be treated the same as Linux and Windows management. Virtualization Citrix Hyper-V KVM VMWare'

Vmware 68

Vmware Linux Comparison Windows 68

Scott Lowe

NOVEMBER 10, 2017

VMware recently released an updated to PowerCLI (version 6.5.3), and with it comes a set of cmdlets that provide low-level access to the NSX-T REST API. Lior Kamrat has a multi-part series on an architecture that blends Mesosphere DC/OS, Azure, Docker, and VMware vSphere. Operating Systems/Applications. Networking.

Vmware 60

Vmware Storage Engineering Network 60

Scott Lowe

OCTOBER 9, 2016

That prompted Cody Bunch to write this article on setting up a topology with BGP on Linux using the topology converter , which I’m now mentioning in this Technology Short Take. PowerShell on Cumulus Linux on a network switch? Clifford Haas has a review of VMware NSX (this is from back in January). Operating Systems/Applications.

Vmware 60

Vmware Case Study Linux Network 60

Scott Lowe

DECEMBER 22, 2018

Operating Systems/Applications. This post reminds me that I need to write up the procedure I followed to get the Prometheus Operator scraping metrics from a TLS-secured etcd cluster bootstrapped using kubeadm.). Dave Taylor provides s ome tips for configuring VMware Fusion for Linux usage. Career/Soft Skills.

Vmware 60

Vmware Linux Hardware Case Study 60

Scott Lowe

JULY 22, 2013

Here’s a decent two-part series about running Vyatta on VMware Workstation ( part 1 and part 2 ). Operating Systems/Applications. Need to do some port forwarding on a Linux box and want to automate the configuration with Puppet? Could we use OpenFlow to build better internet exchanges? Here’s one idea.

Vmware 106

Vmware Virtualization Network Linux 106

Scott Lowe

MAY 22, 2015

Welcome to Technology Short Take #51, another collection of posts and links about key data center technologies like networking, virtualization, cloud management, and applications/operating systems. Here’s one way , using Ravello Systems. Flavio Leitner has a nice article comparing OVS internal ports with Linux veth devices.

Vmware 60

Vmware Network Virtualization IPv6 60

Scott Lowe

JANUARY 28, 2016

The rise of Linux in importance in the networking industry continues, with Arista announcing enhancements to Arista EOS to support—among other things—Docker containers. As a partial counterpoint to the increased use/visibility of Linux in the networking industry, check out Ivan’s take on Dell’s OS10 announcement. Networking.

Vmware 60

Vmware Open Source Linux Devops 60

Scott Lowe

NOVEMBER 30, 2018

Christian Kellner provides a brief reminder that not all USB-C ports are Thunderbolt ports, and updates everyone on the status of bolt (Linux utility for working with Thunderbolt ports and peripherals). Operating Systems/Applications. Matt Oswalt shares some details on how NRE Labs implements “curriculum-as-code.”

Vmware 60

Vmware Authentication Virtualization Storage 60

Scott Lowe

DECEMBER 8, 2016

In case you’re interested, here’s more details on CVE-2016-5195 , aka “Dirty Cow,” and how it might be used to allow a user to escape from a Linux container (like a Docker container). Blueprints that demonstrate VMware-Chef integration. Operating Systems/Applications. Cloud Computing/Cloud Management. Good times.

Vmware 60

Vmware Storage Intel Virtualization 60

Scott Lowe

AUGUST 11, 2016

Thinking of using a hardware VTEP (VXLAN Tunnel Endpoint) with VMware NSX? VMware recently announced Open Hardware Management Services (OHMS) , a project intended to help manage servers and switches in a software-defined data center (SDDC) context. Operating Systems/Applications. Servers/Hardware. Virtualization.

Vmware 60

Vmware Hardware Storage Linux 60

Scott Lowe

AUGUST 8, 2014

It would be great to see Docker get support for connecting containers directly to Open vSwitch (OVS), which is generally considered the de facto standard for networking on Linux hosts. Another series on VMware NSX has popped up, this time from Jon Langemak. Operating Systems/Applications. Servers/Hardware.

Vmware 60

Vmware Linux Virtualization Network 60

Scott Lowe

FEBRUARY 11, 2021

I’ve got a wide range of topics for you this time around—eBPF, Falco, Snort, Kyverno, etcd, VMware Code Stream, and more. I recently mentioned on Twitter that I was considering building out a new Linux PC to replace my aging Mac Pro (it’s a 2012 model, so going on 9 years old). Operating Systems/Applications.

Vmware 60

Vmware Storage Study Network 60