Network World

OCTOBER 10, 2024

So, there’s a race on right now for what company will be the default platform for generative AI, the operating system for the next evolution of the enterprise, the middleware that will tie it all together. Not only does the data used to train or provide context for the AI reside in various locations, but so does the computing power.

Open Source 187

Open Source Enterprise Enterprise Cloud 187

Scott Lowe

JANUARY 31, 2017

In my Linux migration initial progress report , I provided an early assessment of the Linux distribution that I thought I would use moving forward. Since that time, though, I’ve pivoted a bit and selected a different Linux distribution as the operating system (OS) for my primary laptop moving forward.

Linux 60

Linux Hardware Dell Apple 60

Scott Lowe

MAY 17, 2024

In this Technology Short Take, I have links on things ranging from physical network designs to running retro operating systems as virtual machines. Operating Systems/Applications Julia Evans digs into what “current branch” means in Git. Nikhil shares a framework for selecting a Linux distribution.

Linux 110

Linux Operating Systems Windows Virtualization 110

CIO Business Intelligence

JUNE 8, 2022

SGB-SMIT’s multi-cloud ambitions have been made possible using VMware Cloud on AWS and Google Cloud VMware Engine. Together, these enable SGB-SMIT to lift, shift, and scale its VMware applications to the cloud of its choice, anywhere in the world. . Within six months, Schibsted was able to shut down over 350 servers.

Cloud 98

Cloud Vmware Disaster Recovery Groups 98

Scott Lowe

DECEMBER 6, 2012

Bruce Davie and Martin Casado (with Nicira, now part of VMware) have written a post comparing the VXLAN and STT tunneling protocols. Operating Systems/Applications. I found this article on imperative vs. declarative system configuration is quite helpful in understanding Puppet’s declarative model.

Vmware 115

Vmware Virtualization Storage Hardware 115

Scott Lowe

MARCH 21, 2017

This post is part of a series of posts sharing other users’ stories about their migration to Linux as their primary desktop OS. As I mentioned in part 1 of the series , there seemed to be quite a bit of pent-up interest in using Linux as your primary desktop OS. Q: Why did you switch to Linux? is awesome).

Linux 60

Linux Open Source Windows Operating Systems 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 87

Vmware Linux Storage Virtualization 87

Scott Lowe

DECEMBER 8, 2023

A UEFI flaw , affecting both Windows and Linux, that leverages malicious images? Operating Systems/Applications Decisions, decisions— which immutable Linux to use ? Virtualization Allen from Humbled Geeks shows how to create a VMware vSwitch using Ansible. Stealing cryptographic keys from SSH ? Double yikes.

Linux 110

Linux Vmware Network Resources 110

Scott Lowe

MAY 3, 2013

Some good advice here on scaling/sizing VXLAN in VMware deployments (as well as some useful background information to help explain the advice). Linux distributions that offer ARM support, though—like Ubuntu, RHEL, and SuSE—are supported, however. VMware addressed this potential issue with a feature called BPDU Filter.

Vmware 123

Vmware Storage HP Virtualization 123

Scott Lowe

FEBRUARY 4, 2013

Operating Systems/Applications. Greg Schulz (aka StorageIO) has a couple of VMware storage tips posts you might find useful reading. Winston Bumpus of VMware’s Office of the CTO has more information in this post. The tool has recently been updated to help fix issues as well. Read here for more information.

Vmware 134

Vmware Storage Virtualization Network 134

Scott Lowe

OCTOBER 5, 2012

Some folks from Nicira (now part of VMware) recently published a blog post discussing the OVSDB IETF draft (see here ). Operating Systems/Applications. If storage is your thing—especially in VMware environments—I’d recommend having a look at Cormac Hogan’s blog for his series on vSphere 5.1

Storage 92

Storage Vmware Linux Virtualization 92

Scott Lowe

APRIL 6, 2017

Humair Ahmed of VMware shares some details on a new control plane resiliency feature recently added to VMware NSX: Controller Disconnected Operation (CDO) mode. Here’s a handy list of deprecated Linux network commands and their replacements. Konstantin Ryabitsev has a series going on securing a SysAdmin Linux workstation.

Vmware 60

Vmware Linux Storage Network 60

CIO Business Intelligence

MAY 11, 2022

Incompatibility and unreliability caused by configuration differences such as versions of compilers, loaders, runtime libraries, middleware, and operating systems in new environments contributed to increased project effort, cost, and timelines. Containers provide an elegant solution to this problem. in an isolated and executable unit.

Operating Systems 98

Operating Systems Applications Enterprise Enterprise 98

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

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 Vmware Hardware 97

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 Open Source 60

Scott Lowe

OCTOBER 4, 2024

Operating Systems/Applications Minderbinder is a tool that injects failures into running processes via eBPF. Thinking of trying Arch Linux? Virtualization Gina Minks mourns the loss of the vCommunity after attending VMware Explore (formerly VMworld) in Las Vegas. Here’s a walkthrough of setting it up on a laptop.

Vmware 74

Vmware Network Security Linux 74

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 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

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

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

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

MARCH 5, 2013

Operating Systems/Applications. Well worth reading for VMware admins and architects. General KVM Linux Networking OpenFlow OpenStack Puppet RedHat SDN Security Storage Virtualization VMware vSphere' If so, you should probably check out this collection of links from Aaron Delp. Technology Short Take #31.

Virtualization 108

Virtualization Storage Vmware Network 108

Scott Lowe

APRIL 3, 2016

The examples Phil uses include StackWise, Virtual Switching System, and Virtual Port Channels. Alban Crequy has a post on using Linux queueing disciplines (qdiscs, for short) to help with testing application behavior under degraded network conditions. VMware recently released version 0.8 Operating Systems/Applications.

Vmware 60

Vmware Network Linux Virtualization 60

Scott Lowe

OCTOBER 4, 2013

This gives me a total of eight servers, and the plan is to use them to build an internal OpenStack cloud running Ubuntu 12.04, KVM, Open vSwitch (OVS), and—ultimately—VMware NSX. Using Puppet with Multiple Operating Systems. Linux Automation OpenStack Puppet Ubuntu' Using Puppet for Account Management.

Cloud 76

Cloud Linux Dell Vmware 76

Scott Lowe

JUNE 4, 2013

Via Forbes Guthrie on Twitter, I saw this post on how to setup a CA on Linux and use it in a Windows environment. Operating Systems/Applications. If you aren’t using vSphere Host Profiles, this write-up on the VMware SMB blog might convince you why you should and show you how to get started. App Firewall?

HP 113

HP Virtualization Hardware Network 113

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

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

FEBRUARY 6, 2014

In the process, he muses about the value of configuration management tool chains such as Chef and Puppet in a world of “open switch” platforms such as Cumulus Linux. Speaking of Cumulus Linux…did you see the announcement that Dell has signed a reseller agreement with Cumulus Networks? Operating Systems/Applications.

Linux 60

Linux Vmware Storage Virtualization 60

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

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

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? Servers/Hardware.

Vmware 60

Vmware Linux Hardware Software Development 60

Scott Lowe

SEPTEMBER 8, 2016

Dmitri Kalintsev is back with another article in a series of articles on using hardware VXLAN tunnel endpoints (VTEPs) with VMware NSX. Here’s a handy post by Dale Coghlan on how to find object IDs for just about anything in a VMware NSX environment. Operating Systems/Applications. Servers/Hardware. It’s about time.)

Vmware 60

Vmware Linux Intel Storage 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 Windows 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

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 Storage 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