Scott Lowe

MAY 25, 2017

Anthony Shaw has a good comparison of Ansible, StackStorm, and Salt (with a particular view at applicability in a networking context). John Welsh has a post on why someone might use VMware NSX. Here’s a quick post on nftables , the (eventual) Linux replacement for iptables. Check out the GitHub repository. Virtualization.

Linux 60

Linux Open Source Network Vmware 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

MARCH 8, 2016

PowerNSX is pretty cool—it’s a set of PowerShell cmdlets for administrators of VMware NSX running in vSphere environments. Tony Sangha has a nice article providing step-by-step instructions on setting up a site-to-site IPSec VPN between VMware NSX and a Cisco CSR 1000v. ZFS will be in the next Ubuntu Linux LTS release.

Vmware 60

Vmware Linux Intel Network 60

Scott Lowe

JANUARY 14, 2016

Cumulus VX, if you aren’t aware, is a community-supported virtual appliance version of Cumulus Linux aimed at helping folks preview and test “full-blown” Cumulus Linux (which, of course, requires compatible hardware). Dwayne Sinclair (an NSX SE at VMware) has a write-up on what micro-segmentation is not. Servers/Hardware.

Devops 60

Devops Vmware Storage Open Source 60

Scott Lowe

FEBRUARY 1, 2019

The folks over at Cilium took a look at a recent CNI benchmark comparison and unpacked it a bit. Christopher Damerau explains how to use Ansible to manage VMware resources. Jorge Castro shares some informal notes on using Clear Linux as an everyday DevOps/cloud-native/Kubernetes client. Operating Systems/Applications.

Network 60

Network Resources Devops Vmware 60

Scott Lowe

MARCH 23, 2017

Gabriele Gerbino has a nice write-up about Cisco’s efforts with APIs ; his article includes a brief description of YANG data models and a comparison of working with network devices via SSH or via API. VMware recently announced the open sourcing of some software development kits (SDKs) for the new REST APIs in vSphere 6.5.

Open Source 60

Open Source Storage Vmware Network 60

Scott Lowe

MARCH 30, 2018

This Tech Short Take marks the end of an era (sort of); it’s the last Tech Short Take published while I’m a VMware employee (today is my last day; see here for more details). William Lam has a series of posts on VMware Pivotal Container Service (PKS), which at the time of this writing was up to 4 posts in the series.

Linux 60

Linux Vmware Windows Applications 60

Scott Lowe

APRIL 24, 2015

Kevin Houston’s March 2015 blade server comparisons might be a useful place to start. It’s important to note that these security enhancements don’t really represent “net new” functionality but rather reflect existing Linux security constructs now being exposed and usable by Docker. Cloud Computing/Cloud Management. Virtualization.

Vmware 60

Vmware Storage Firewall Network 60

Scott Lowe

AUGUST 16, 2017

Anthony Shaw has a good comparison of Ansible, StackStorm, and Salt (with a particular view at applicability in a networking context). John Welsh has a post on why someone might use VMware NSX. Here’s a quick post on nftables , the (eventual) Linux replacement for iptables. Check out the GitHub repository. Virtualization.

Open Source 60

Open Source Network Linux Engineering 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. ” Get ready to get nerdy! A browser-based side-channel attack ?

Vmware 60

Vmware Firewall Storage Comparison 60

Scott Lowe

JUNE 11, 2014

Anthony Burke’s series on VMware NSX continues with part 5. He makes comparisons among server virtualization, 10 Gigabit Ethernet, and SDN, and feels that in order for SDN to really hit this market it needs to be “not a user-facing feature, but rather a means to an end” (his words). Networking.

Vmware 60

Vmware Storage Network Virtualization 60

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. This VMware blog post helps explain the link between Puppet and vFabric Application Director, and why organizations may want to use both. has posted a good hypervisor feature comparison document.

Vmware 109

Vmware Virtualization Storage Hardware 109

Scott Lowe

MARCH 5, 2013

Although this post is a bit older (it’s from September of last year), it’s still an interesting comparison of both OpenStack and CloudStack. Although these posts are storage-related, the real focus is on how the storage stack is implemented in a virtualization solution, which is why I’m putting them in this section.

Virtualization 102

Virtualization Storage Vmware Network 102

Scott Lowe

OCTOBER 22, 2015

Here’s hoping I’ve managed to find something of value and interest to you in this latest collection of links and articles from around the web on networking, storage, virtualization, security, and other data center-related technologies. Juan Manuel Rey has a write-up on how easy it is to upgrade VIO (VMware Integrated OpenStack).

Vmware 60

Vmware Virtualization Guidelines Network 60