DMARC Compliant
Posts by Year
2024
2023
Becoming a Python expert
I recently learned of a podcast called “Talk Python to Me”; specifically, I listened to an episode entitled 10 Tips and Ideas for the Beginner to Expert Pyth...
Importing RBAC controlled certificate to Azure Application Gateway
I have a scenario where I want to use certificates, stored within an RBAC controlled Azure Key Vault, in an Application Gateway. Unfortunately, at this time...
Deleting data from Influx DB
This post is mostly to remind me of the command to delete data from Influx DB 1.8 that is older than a certain date: delete from "switch" where time < '20...
Cron in a Docker container
A simple task: execute a cron job, within a docker container, to run a regularly needed item. This seems simple, right? Not so much within a docker contain...
Oxidized with Azure AD SAML Authentication
Anyone still use RANCID (Really Awesome New Cisco Config Differ) to backup network configuration? In my current position, I just needed something “simple” t...
Slow shell with Pyenv
I leverage Pyenv to manage the different versions of Python I might use within my system. Recently, I decided to install Pyenv to my WSL Ubuntu 20.04 instan...
Microsoft Defender for Cloud
This past week has been one of those annoying and challenging weeks. I help support three servers which our used for our Integrated Platform as a Service (I...
2022
Build a WLAN Pi R4
For the past several years, I’ve been leveraging the original WLAN Pi to help troubleshoot my occasional wireless problems. I’ll say this, it is an awesome ...
Git Cheat Sheet
Someone just shared on Twitter a well formatted Git Cheat sheet. Enjoy!
Azure NSG and Tor-Exit Nodes
Introduction Every so often, I would get a poke from my cybersecurity guy, mentioning that our publicly-exposed Azure servers were being probed by IP address...
Azure Function and Communication Services
I was recently tasked with exploring a method to interact with Azure Communications Services (ACS) for our Call Center. In short, when prompted by a caller,...
Simple Wireless Tools
Recently came across a post on Twitter which shared of a wireless tool developed by Cisco. The tool is called WiFi Hawk. In short, the tool ingests a wirel...
2021
Docker Install for Grafana, InfluxDB, and Telegraf
Several years ago, I created a post describing the process to install Grafana, InfluxDB, and Telegraf on CentOS. I’ve used this combination to provide monit...
A new start
Over the past 3 years, I’ve moved on to a new job with a variety of new roles; as well, I’ve learned several new technologies. Bottom line: I need to docume...
2018
Password2key for Nokia Routers
For my work with Nokia routers, I needed to make an adaptation of the password2key.bash script on the NFM-P server. You can what I did on my GitHub Reposito...
Tools for Network Engineers
I recently came across a podcast from The Network Collective where tools for network engineers are discussed. I particular found useful the SecureCRT colori...
The Fragile Engineer
I have worked with a large variety of people, all with different backgrounds, experiences, and personalities. I came across an article from Packetpushers wh...
Cisco Command Authorization with Tacacs+
Oh, the struggles one has with maintaining the AAA: authentication, authorization, and accounting. While migrating to a new authentication server, we realiz...
Cisco Live 2018 and Network Segmentation
I had the opportunity to attend Cisco Live 2018 in Orlando, FL. I was glad to have visited Orlando again after having lived there for 2 years. That part, p...
Avoiding Route Distribution Loops
I have a scenario where I am deploying an MPLS network to replace multiple L3 networks that I currently support. To provide continuity between a legacy L3 ...
Interviewing the Interviewer
Through the Packet Pusher’s Link Propogation weekly letter, I learned of a blog post on the important questions to ask an interviewer. I thought it was wort...
Replacing Physical ASA in an HA Configuration
Over a year ago, Cisco released a field notice regarding a critical clock flaw in several of their ASA platforms. Of course, I had several ASAs that were af...
Combining BFD and LAG
As is common with most network implementations, you try to leverage elements that will provide you the best design. This include using link aggregation (LAG...
Installing Influxdb, Telegraf, and Grafana on CentOS
Recently I read a blog post from Lindsay Hill where he show his process to install Grafana. Wanting to have something similar within my own environment, I d...
To Certify, or not to Certify
In the different podcasts that I listen to, or with the articles that I read, there is often the discussion of what a certifcation will provide. To that poi...
Configuring Solarized color scheme on Windows 10 Ubuntu bash
I’ve become a fan of the Ubuntu bash on Windows 10; however, like most other people, I am not a fan of the default color schemes. Now comes the effort to co...
Providing HTTPS with a custom domain on Github pages
This is really my first post to this new blog. I’ve been working this past several days to provide my blog through Github pages. Interesting conversion but...