Posts in 2020
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AWS CDK: How to use CfnResource or Cfn Layer
Saturday, April 18, 2020 in Public Cloud
What is AWS Cloud Development Kit? If you’ve been in the world of AWS long enough, you’ve probably heard of CloudFormation (duh!) and AWS CDK (Cloud Development Kit). If you haven’t - you should! Trust me, it’s awesome!!! AWS …
Posts in 2019
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How failing VCDX changed my life
Sunday, December 01, 2019 in Playing Smart
I started my professional career in 2003, in a NOC (Network Operations Center), making sure that Network and Security services of the VIP customers of the ISP (Internet Service Provider) ran smoothly. Till 2013, I mostly worked on big Network and …
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What is Service Mesh and do I need one?
Thursday, July 04, 2019 in Virtualization and Private Cloud
Let’s start with this - what problem does Istio solve? Or… are we just using it cause it’s the next cool thing? To be honest - there’s a bit of both, from what I’m seeing with most of my customers. To illustrate the …
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I use API Gateway. Can I claim I have an API Strategy now?
Saturday, April 06, 2019 in Playing Smart
In the last few years, I’ve had the opportunity to talk to a number of customers who, when asked what their API strategy is, simply answer something like “We’re using a NGINX as API Gateway”, or “we got …
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Kubernetes Proxy: Envoy vs NGINX vs HA Proxy
Tuesday, February 26, 2019 in Virtualization and Private Cloud
Having spent quite some time with Linux and Kubernetes admins, I’ve come to realize that networking isn’t one of their strong sides. Being a network guy myself, I feel obliged to share my views on topics as important as this one. So, …
Posts in 2018
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How I prepared for AWS SA Professional exam
Tuesday, November 20, 2018 in Certifications
Last week I managed to pass the AWS Solution Architect professional certification exam. Here’s my certification, in all its glory: If you’ve been following my blog, you’ll know that I passed a Google Cloud Professional Architect …
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On relevance of CCIE in 2019
Friday, November 16, 2018 in Playing Smart
A question I’ve been getting a lot from the Network Engineers, should they go for CCIE. There are two points to this question: Knowledge and skill Value of CCIE as a Certification Let me get into more detail. Value of CCIE as gaining skill …
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Just married: IBM and RedHat. What does this mean for Cisco and VMware Multi-cloud offer?
Monday, October 29, 2018 in Playing Smart
As per yesterdays announcement, IBM is acquiring Red Hat in deal valued at $34 billion (more about this here). This is another one in a row of deals I did not expect to happen: Oracle acquired Sun Microsystems Microsoft acquired GitHub Dell acquired …
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Why SDN isn't where we thought it would be
Thursday, August 30, 2018 in Playing Smart
The SDN hype started a few years ago. Everyone was talking about it as the next big thing, and it all made so much sense. I started exploring SDN while Nicira and Insieme were just two startups, and got even deeper into it when they were bought by …
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Migrate HyperFlex Cluster to a new vCenter
Wednesday, August 29, 2018 in Virtualization and Private Cloud
Get ready to have your mind blown. One of the easiest procedures I’ve encountered. You just need to follow these 3 steps, to migrate the entire HyperFlex vSphere Cluster with all its hosts from vCenter 1 to vCenter 2. Before you start: - Your …