The Bro Network Security Monitor is an open source network monitoring framework. In a nutshell, Bro monitors packet flows over a network with a network tap installed with optional bonded network interfaces, and creates high-level “flow” events... read more
The Bro Network Security Monitor is an open source network monitoring framework. In a nutshell, Bro monitors packet flows over a network and creates high-level “flow” events from them and stores the events as single tab-separated lines in a lo... read more
Elastic Search, Logstash and Kibana – the ELK Stack – is emerging as the best technology stack to collect, manage and visualize big data. If you came here looking for help installing the ELK stack, you don’t need an introduction, so let&... read more
Introduction For proper cluster functionality, all nodes in the cluster need to have their clocks synchronized, even when the cluster is isolated from the Internet and global time sync servers. To accomplish this, we installed NTP on Ubuntu/Linux and conf... read more
Running Apache Storm cluster on EC2 is greatly simplified with the open source project storm-deploy-alternative. With this handy project, you can define your Storm cluster in a simple configuration file and create the running instances as well as installi... read more
In the post titled Simulating the Knowm M-MSS Memristor Model Pulse Response with Qucs-S and Xyce, I presented the dynamic behavior of the M-MSS model’s response to a square wave pulse with various pulse configurations while introducing some more advanc... read more
In a recent post titled Simulating Knowm AHaH Memristor-Based Logic Using Qucs-S and Xyce, I presented circuit simulations that explored the dynamic behavior of the Knowm M-MSS (Mean Meta-stable Switch Memristor) model by creating basic logic circuits (i.... read more