Loopback Mountain

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Netmiko is a Python module by Kirk Byers that provides a wrapper around the Paramiko SSH module for doing screen scraping and CLI automatio...

Every so often I need to extract a subset of traffic from a set of rolling timestamped pcap files. One common place I do this is with Securi...

Want to know how many IPv4 nodes are in each of your VLANs? Use ADN: ssh myswitch 'sh arp | i Vlan' | awk '{print $NF}' | ...

Because I have yet to transition to a completely software-defined network in which everything configures itself (wink wink), I still have to...

A quick example that shows how to use Elasticsearch bulk indexing from the Python client . This is dramatically faster than indexing docume...

It took me a while to figure out how to search the not_analyzed ".raw" fields created by Logstash in Elasticsearch indices, using...

To get the lovely Solarized theme working in Security Onion: sudo apt-get install gnome-terminal I'm sure there's a way to get i...

I'm installing Cisco VIRL, and despite following the instructions regarding nested virtualization settings, the kvm-ok command was still...

A while back, Chris Marget of Fragmentation Needed posted a run-down of his comprehensive and extremely clever network toolkit . Because I...

I'm a big fan of imposing artificial limitations on yourself in order to aid skill development. Here are some quick ideas: When troub...

Recently I did a Packet Pushers episode about log management . In it, I mentioned some of the custom Python scripts that I run to do basic s...

My Python-related posts seem to get the most reads, so here's another one! A problem that comes up fairly often in networking is findi...

The Basics I finally got around to setting up Security Onion (the best network security monitoring package available) to monitor my home n...