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

Linux Academy

MARCH 28, 2019

Fail fast has become learn fast where monitoring and scanning now provides the feedback we need to keep systems safe. Many organizations utilize on-premises systems until they literally burst into the public cloud to gain added capacity. The final piece of the puzzle is the ability for systems to deploy systems.

Open Source 60

Open Source Devops Linux Cloud 60

Scott Lowe

SEPTEMBER 22, 2017

Vincent Bernat has a really in-depth article on IPv4 route lookup on Linux (and one on IPv6 route lookup as well). Operating Systems/Applications. Andrew Montalenti discusses the state of Linux on the desktop by examining his own journey with various Lenovo-branded laptops. Here’s hoping you find something useful!

Storage 60

Storage Vmware Load Balancer Network 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. Operating Systems/Applications. Is Cisco’s Insieme effort producing a storage product? storage enhancements. It starts here.

Storage 92

Storage Vmware Linux Virtualization 92

CIO Business Intelligence

JANUARY 4, 2024

Having segmentation between infrastructure providing data processing and data storage is an example of a broad IT security architectural pattern. All other needs, for example, authentication, encryption, log management, system configuration, would be treated the same—by using the architectural patterns available.

Financial 99

Financial Architecture Resources Security 99

Scott Lowe

SEPTEMBER 27, 2019

The “TL;DR” for those who are interested is that this solution bypasses the normal iptables layer involved in most Kubernetes implementations to load balance traffic directly to Pods in the cluster. Daniel Sagi of Aqua Security explains the mechanics behind a Pod escape using file system mounts. Servers/Hardware.

Load Balancer 60

Load Balancer Cloud Applications Vmware 60

Scott Lowe

OCTOBER 14, 2017

Romain Decker has an “under the hood” look at the VMware NSX load balancer. This graphical summary of the AWS Application Load Balancer (ALB) is pretty handy. Operating Systems/Applications. Abdullah Abdullah shares some thoughts on design decisions regarding NSX VXLAN control plane replication modes.

Load Balancer 60

Load Balancer Vmware Hardware Open Source 60

All Things Distributed

JANUARY 19, 2011

Werner Vogels weblog on building scalable and robust distributed systems. Flexibility is one of the key principles of Amazon Web Services - developers can select any programming language and software package, any operating system, any middleware and any database to build systems and applications that meet their requirements.

Load Balancer 115

Load Balancer Cloud Applications Development 115

Scott Lowe

AUGUST 17, 2018

Scott McCarty explains sVirt and how it’s used to isolate Linux containers. Check out these articles talking about IPVS-based in-cluster load balancing , CoreDNS , dynamic kubelet configuration , and resizing persistent volumes in Kubernetes. Operating Systems/Applications. Servers/Hardware. Virtualization.

Load Balancer 60

Load Balancer Storage Network Linux 60

Scott Lowe

DECEMBER 6, 2012

These articles are a bit long in the tooth, but CSS Corp has a useful series of articles on bundling various Linux distributions for use with OpenStack: bundling CentOS , bundling CentOS with VNC , bundling Debian , and bundling OpenSUSE. Operating Systems/Applications. by Qlogic called “Mt. Apparently, “Mt. Until the 1.3

Vmware 109

Vmware Virtualization Storage Hardware 109

Scott Lowe

SEPTEMBER 11, 2014

Workloads are scheduled across these server/linecards using Valiant Load Balancing (VLB). Of course, there are issues with packet-level load balancing and flow-level load balancing, so tradeoffs must be made one way or another. The servers are interconnected using a mesh, ToR, or multi-stage Clos network.

Load Balancer 61

Load Balancer Intel Network Hardware 61

Scott Lowe

SEPTEMBER 12, 2013

” The speakers are Recep Ozdag, a PME with Intel, and Gershon Schatzberg, a PLM with Wind River Systems. Some of these services naturally should run on the top-of-rack (ToR) switch, like load balancing or security services. That leads Recep into a discussion of what ONP actually is. It is hardware switch independent.

Intel 61

Intel Load Balancer Architecture Virtualization 61

Scott Lowe

NOVEMBER 16, 2015

Russell Bryant has a couple great articles on OVN— how to test OVN’s “EZ Bake” release with DevStack as well as an article on implementing OpenStack security groups using OVN ACLs (which in turn leverage the integration between Open vSwitch and the Linux kernel’s conntrack module). Operating Systems/Applications.

Vmware 60

Vmware Network Load Balancer Linux 60

Scott Lowe

DECEMBER 17, 2015

If you’d like to play around with Cumulus Linux but don’t have a compatible hardware switch, Cumulus VX is the answer. This article listing 20 Linux server hardening tips contains some basic tips but is nevertheless a very good resource for someone looking for Linux security recommendations. Operating Systems/Applications.

Vmware 60

Vmware Linux Architecture Hardware 60

Scott Lowe

AUGUST 20, 2014

This post is the third in a series of posts on CoreOS , this time focusing on the use of fleet and Docker to deploy containers across a cluster of systems. The GitHub page for fleet describes it as a “distributed init system” that operates across a cluster of machines instead of on a single machine. ssh/keyfile.pem.

Linux 61

Linux System Load Balancer Examples 61

Scott Lowe

FEBRUARY 10, 2015

This time around, the content is a bit heavier on cloud management and applications/operating systems, but still lots of good content all the way around (I hope, anyway). First, here’s a workaround to the fact that vCA doesn’t (yet) do cloud-init, which makes injecting SSH keys into Linux instances a bit difficult. Networking.

Open Source 60

Open Source Vmware Network IBM 60

Linux Academy

AUGUST 13, 2019

S3 – different storage classes, their differences, and which is best for certain scenarios. Load Balancers, Auto Scaling. Storage in AWS. Content Delivery and Domain Name System (DNS). These are the Hands-On Labs available at Linux Academy: Introduction to AWS Identity and Access Management (IAM).

Cloud 16

Cloud Study Training Web Services 16