Short book review. The Making of a Manager by Julie Zhuo Moving from an IC (Individual Contributor) position to a management position is quite a challenge but not uncommon. In this book Julie Zhuo summarized many of the best practices of management, and the errors to avoid. I strongly believe that even for team members …

New entry in the home-lab: a shiny new HP DL380P. Another server Not long ago an Intel NUC i3 running Docker containers joined the home-lab. The NUC serves me well, it's silent, low power and runs many containers for always-on functions like DNS, network automation, media server and more.. For my labs I needed …

A bash script to query Cisco PSIRT OpenVuln API. UPDATE Jan 2025 The code was updated to use new Cisco API. Changes are alredy in the new release on GitHub Cisco provides an API to openVuln: The Cisco Product Security Incident Response Team (PSIRT) openVuln API is a RESTful API that allows technical staff and …

I'm trying ZSH in WSL on my Windows 10 machine. Here's a quick note about how to make it look better with agnoster theme. ZSH On my main machine I run Windows 10 with Windows Subsystem for Linux 2 and Windows 10 terminal Today I tried to switch to ZSH and installed Oh My Zsh. After carefully chosing a theme I noticed …

In the last post I used a webhook to notify a listener to run a remediation script. In this post I'll document how to configure the listener. FastAPI There are many options to setup a webhook listener. After a brief research I decided to use FastAPI instead the more common Flask. Webhook What is a webook? In essence, …

IP Fabric network discovery can collect the network state. Release 3.7.0 introduced webhooks. Let's see how webhooks can be used for automated remediation. Brownfield automation In a common brownfield scenario, an existing network is carefully configured box-by-box by CLI huggers network engineers. It is not unusual to …

Today I passed the Cisco Certified DevNet Associate DEVASC 200-901 exam. Here's a quick note about my experience. DevNet certifications were announced this year at Cisco Live. I was busy on another track at the moment and added them to the backlog. Then some $bigProjects started, summertime priority went to outdoor …

This blog has been selected as a finalist in the Most Educational category of the 2020 IT Blog Awards, hosted by Cisco. Being part of a community is not a zero-sum game, we're all winners when knowledge spreads, high-quality content is created and new relationships are built among a group of motivated and talented …

I'm reviewing the DEVASC exam topics. Here I share some quick notes about curl, jq and Cisco DNA API. Base64 and newline Let's start with authentication. DNAC uses basic authentication. Credentials are encoded with base64. The process is simple. We encode the credentials with base64 and use the encoded string to get a …

In this post I share a few notes about the Jellyfin container running on my home server and how to mount the SMB shares on FreeNAS. In the last post I discussed my first steps in the container's world. In this post we'll see some details about the Jellyfin container that serves the media content. All the content of the …

Home server adventures in the container's world. After migrating my Microserver to Freenas/TrueNAS I missed having a server at home for my side projects. At the same time I was tired of messing with WLS2 and Docker on my Win 10 PC - migration to Ubuntu already planned. I was running an Unifi controller on Hetzner cloud …

A journey from writing a script to publishing my first Python module. Network automation has been one of my favorite topics for a long time. I've attended seminars, trainings and wrote low-quality code some of which got me an awesome t-shirt 😁 I shared my code and all I got was an awesome #Cisco #DevNet t-shirt 🏆 …

I've been using Hugo since 2016 to build this website. Some pages containInstagram shortcode. Today they are broken 💔 Lets fix it! A quick search on Git issues shows #7879: Basically Facebook has ended free access to the Instagram API. This affects both the regular and simple Instagram shortcodes. The announcement of …

Due to Covid restrictions NFD23 as many other events is remote. As a delegate it is my duty to adjust the quality of my home studio to the standards that viewers of Tech Field Day events expect. Warning That's what I wrote in the budget request to pass the WAF test 😜 Here's a brief description of my setup. Webcam My …

The second day of NFD23 with Arista. I already had an opportunity to see Arista at NFD16 in 2017. CloudVision Arista started with the correct first step, declaring upfront the problems they expect to solve with CloudVision: What networking problem are you trying to solve? @AristaNetworks has a plan at #NFD23 …