Scott Lowe

APRIL 15, 2022

Servers/Hardware. Cabling is hardware, right? Although Linux is often considered to be superior to Windows and macOS with regard to security, it is not without its own security flaws. Although Linux is often considered to be superior to Windows and macOS with regard to security, it is not without its own security flaws.

Linux 74

Linux Load Balancer IPv6 Licensing 74

Scott Lowe

MAY 27, 2022

Servers/Hardware. For relevant storage news, I’d recommend having a look at J Metz’ Storage Short Take 42. The state of virtualization on Apple Silicon hardware has seen a few developments in recent days and weeks. This will become even more useful, in my opinion, when Linux support is added.

Virtualization 79

Virtualization Storage Programming Network 79

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. Servers/Hardware. The article also has a link to a paper that Burns will present at HotCloud ‘16. Thanks Jason!

Vmware 60

Vmware Linux Storage Hardware 60

Scott Lowe

MARCH 17, 2016

At DevOps Networking Forum 2016, I had the opportunity to share a presentation on some Linux networking options. If you’d like to see the presentation, it’s available on Slideshare and Speakerdeck. If you’d like to re-create the demo environment, check out the presentation’s GitHub repository. Servers/Hardware.

Vmware 60

Vmware Linux Network Open Source 60

Scott Lowe

OCTOBER 5, 2012

Erik Smith, notably known for his outstanding posts on storage and FCoE, takes a stab at describing some of the differences between SDN and network virtualization in this post. Servers/Hardware. Is Cisco’s Insieme effort producing a storage product? storage enhancements. It starts here.

Storage 92

Storage Vmware Linux Virtualization 92

Scott Lowe

MAY 29, 2020

Servers/Hardware. tackles the question of whether an API gateway is needed if a service mesh is present. For those new to Linux virtualization—or even if you’ve been around Linux virtualization for a while—this article explaining how Intel VT-x, QEMU, and KVM work together is full of good information.

Linux 60

Linux Virtualization Security Network 60

Scott Lowe

DECEMBER 27, 2019

Servers/Hardware. I recently saw an article stating that VMware is going to use Minio as the object storage platform for Kubernetes, but the evidence presented in the article is anything but convincing. I recently spotted Multipass , a virtualization solution for working with Linux instances. Networking.

Open Source 60

Open Source Vmware Authentication Storage 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. Servers/Hardware. Christian Mohn shares an approach of storing private information in a Git repository along with GitBook for publication/presentation.

Vmware 60

Vmware Linux Open Source Data Center 60

Scott Lowe

NOVEMBER 30, 2012

Both the hardware as well as the software have served me well. Further, I need to ensure that the applications I need to get my job done will be present on my next platform. Visit the site for more information on virtualization, servers, storage, and other enterprise technologies. Macintosh iPhone Linux' Apple on Intel.

Operating Systems 131

Operating Systems Apple Applications Linux 131

Scott Lowe

SEPTEMBER 10, 2013

” The presenters are Girish Gopal and Malini Bhandaru, both with Intel. Next, Intel talks about how they have worked to expose hardware features into OpenStack. Gopal now takes over and moves the discussion into storage in OpenStack. This would allow for greater flexibility with the Nova scheduler.

Intel 60

Intel Storage Open Source Hardware 60

Scott Lowe

SEPTEMBER 5, 2013

Jeda Networks describes themselves as a “software-defined storage networking” company. Given my previous role at EMC (involved in storage) and my current role at VMware focused on network virtualization (which encompasses SDN), I was quite curious. At that point, the system DRAM almost looks like another level of cache.

Meeting 63

Meeting Storage Hardware Network 63

Scott Lowe

MARCH 1, 2019

VyOS is an open source Linux-based network operating system.). Servers/Hardware. I like some of the ideas Tauleria presents and hope to be able to implement some of them soon in my own project(s). Paul Fitzgerald shows how to use Hyper-V and Docker to build a VyOS 1.2.0 Operating Systems/Applications. Virtualization.

Operating Systems 60

Operating Systems Authentication Network Open Source 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. Servers/Hardware. What does this mean?

Vmware 60

Vmware Linux Hardware Software Development 60

Cloud Musings

OCTOBER 28, 2016

NCTA Cloud Operations that helps you study the management of cloud operations and addresses the application need for compute power, managing CPU scaling, and meeting both structured and unstructured storage requirements. Groups will complete a cloud assessment of Fortune 100 firms using public information and make presentations to the client.

Cloud 70

Cloud Web Services Hardware Software 70

Scott Lowe

DECEMBER 17, 2015

Before I present this episode’s collection of links, articles, and thoughts on various data center technologies, allow me to first wish all of my readers a very merry and very festive holiday season. If you’d like to play around with Cumulus Linux but don’t have a compatible hardware switch, Cumulus VX is the answer.

Vmware 60

Vmware Linux Architecture Hardware 60

Scott Lowe

MARCH 23, 2017

Servers/Hardware. As opposed to just encrypting data at the transport level (although Acra does that between components of its architecture) or just encrypting data at the storage level (using an encrypted file system or similar), Acra targets encrypting data at the table/row/column level within a database. Check back next time!

Open Source 60

Open Source Storage Vmware Network 60

Scott Lowe

OCTOBER 27, 2017

Servers/Hardware. For what it’s worth, I’ve never tried NetBSD, but I have yet to run into any similar issues with any distribution of Linux I’ve tried. Tom Scanlan shares how to use VIC volumes as a way of helping address persistent storage challenges with containers. Perhaps I should remove this section?

Firewall 60

Firewall Virtualization Network Storage 60

Scott Lowe

MAY 12, 2016

Servers/Hardware. Per RFC 1925 , every old idea will be proposed again with a different name and a different presentation. Nick Janetakis discusses some of the differences it’s made for some of his Docker images to switch to using Alpine Linux as the base (instead of the more common Ubuntu or Debian base images).

Vmware 60

Vmware Windows Network Agile 60

Scott Lowe

JANUARY 6, 2018

Servers/Hardware. Christian Kellner talks about work done on Thunderbolt 3 security levels for GNU/Linux. Read this post-mortem on an outage to gain a better idea of some of the challenges this additional complexity might present when it comes to troubleshooting. Virtualization.

Linux 60

Linux Vmware Comparison Network 60

Scott Lowe

APRIL 24, 2015

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 post contains a link to a useful presentation on the essential parts of EVPN. Servers/Hardware. The workflow incorporates Ansible, git, Jenkins, and Gerrit.

Vmware 60

Vmware Storage Firewall Network 60

Scott Lowe

MAY 22, 2015

Flavio Leitner has a nice article comparing OVS internal ports with Linux veth devices. This topic is the subject of some debate given that some claim OVS internal ports perform much better than Linux veth devices. Servers/Hardware. Here’s one way , using Ravello Systems. MAC learning on OVS under OpenStack? Virtualization.

Vmware 60

Vmware Network Virtualization IPv6 60

Scott Lowe

MAY 11, 2018

Servers/Hardware. Thomas Graf explains why the Linux kernel community is replacing iptables with BPF. William Lam discusses the new MAC learning functionality present in vSphere 6.7 Yep, get used to it folks—it’s where the industry is headed. Sorry, I don’t have anything for you. Virtualization.

Network 60

Network Virtualization Open Source Vmware 60

Scott Lowe

OCTOBER 23, 2013

Servers/Hardware. Kenneth Hui—with whom I have the privilege of co-presenting at the OpenStack Summit in Hong Kong in less than a month—has a comprehensive write-up on using Vagrant and Chef to build an HA OpenStack installation on your laptop. on flow table explosion with OpenFlow. Puppet code examples are available here.

Vmware 60

Vmware Network Virtualization Storage 60

Scott Lowe

SEPTEMBER 11, 2013

” Eul walks through the basic components of the mobile platform, which includes not only hardware but also mobile software. Skaugen takes some time to describe more fully the specifications around 2-in–1 devices, coming from hardware partners like Dell, HP, Lenovo, Panasonic, Sony, and Toshiba.

Intel 60

Intel Hardware Mobile Dell 60

Scott Lowe

SEPTEMBER 3, 2013

Servers/Hardware. In past presentations I’ve referenced the terms “snowflake servers” and “phoenix servers,” which I borrowed from Martin Fowler. (I x that involves booting on a Linux CD. Visit the site for more information on virtualization, servers, storage, and other enterprise technologies.

Vmware 60

Vmware Data Center Storage Disaster Recovery 60

Scott Lowe

JULY 14, 2015

You might also find it useful to review this OVN presentation from the recent OpenStack Summit in Vancouver. A video recording of the presentation is also available on YouTube. Servers/Hardware. Want to know a bit more about how OVN (Open Virtual Network) plans to integrate support for containers? Running vSphere 6? Good stuff.

Vmware 60

Vmware Devops Virtualization Network 60

ForAllSecure

APRIL 22, 2021

The Internet of Things presents us with both convenience and inconvenience at the same time, suddenly everything is smart is hackable again with startups sometimes repeating security mistakes made decades ago in the rush to market toys. Vamosi: Before we get too far we really should take a step back and define IoT. It's still a threat.

Internet 52

Internet Research Security Tools 52

ForAllSecure

APRIL 22, 2021

The Internet of Things presents us with both convenience and inconvenience at the same time, suddenly everything is smart is hackable again with startups sometimes repeating security mistakes made decades ago in the rush to market toys. Vamosi: Before we get too far we really should take a step back and define IoT. It's still a threat.

Internet 52

Internet Research Security Tools 52

Scott Lowe

MARCH 10, 2023

Servers/Hardware Kevin Houston provides some instructions on backing up the Dell PowerEdge MX7000 settings and configurations. Diego Crespo talks about PowerShell on Linux and his experience with it. Storage This is a good (albeit slightly dated) overview of EBS volume types. Both are great reads. Thank you for reading!

IPv6 74

IPv6 Linux Tools Network 74

Scott Lowe

JUNE 4, 2013

First up, Jason goes off on a rant about network virtualization , briefly hitting topics like the relationship between overlays and hardware, the role of hardware in network virtualization, the changing roles of data center professionals, and whether overlays are the next logical step in the evolution of the network. Servers/Hardware.

HP 106

HP Virtualization Hardware Network 106

Scott Lowe

FEBRUARY 4, 2013

In particular, the use of OpenFlow to perform granular per-flow control when there are thousands (or maybe only hundreds) of flows presents a scalability challenge (for now, at least). Servers/Hardware. Cisco UCS is pretty cool in that it makes automation of compute hardware easier through such abstractions as server profiles.

Vmware 115

Vmware Storage Virtualization Network 115

Scott Lowe

NOVEMBER 5, 2017

Michels starts with a brief overview of his background, then proceeds to position today’s talk as a follow-up (of sorts) to a presentation he did in Boston. Michels discusses that there are typically two approaches to DIY OpenStack: The “Donald” approach leverages whatever around, including older hardware.

Hardware 60

Hardware Operating Systems Linux Network 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. Servers/Hardware. Linux distributions that offer ARM support, though—like Ubuntu, RHEL, and SuSE—are supported, however. I hope you find something useful.

Vmware 109

Vmware Storage Virtualization HP 109

Scott Lowe

JUNE 4, 2013

First up, Jason goes off on a rant about network virtualization , briefly hitting topics like the relationship between overlays and hardware, the role of hardware in network virtualization, the changing roles of data center professionals, and whether overlays are the next logical step in the evolution of the network. Servers/Hardware.

HP 61

HP Virtualization Hardware Network 61

Scott Lowe

OCTOBER 8, 2014

Servers/Hardware. This site presents a convincing argument for multi-process containers; have a look. The storage aspect of Docker isn’t typically discussed in a lot of detail, other than perhaps focusing on the need for persistent storage via Docker volumes. Single-process containers or multi-process containers?

Storage 60

Storage Intel Disaster Recovery Virtualization 60

Scott Lowe

JUNE 11, 2014

Servers/Hardware. Linux Journal has a nice multi-page write-up on Docker containers that might be useful if you are still looking to understand Docker’s basic building blocks. Open vStorage compares itself to VMware VSAN, but supporting multiple storage backends and supporting multiple hypervisors.

Vmware 60

Vmware Storage Network Virtualization 60

Scott Lowe

APRIL 8, 2014

Matthew Brender touches on a networking issue present in VMware ESXi with regard to VMkernel multi-homing. Servers/Hardware. Here’s a quick article on how to assess if your Linux-based server is affected. It’s being called the “data plane” for software-defined storage. See here for details.

Vmware 60

Vmware Windows Virtualization Storage 60