Laurie Denness

an Engineering Manager, working for Bloomberg

I graphs, clusters, hardware and scaling. Previously at Etsy and Last.fm

I tweet at @lozzd and blog infrequently here


"If it moves, graph it"

Me, 2009

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opsweekly
JavaScript
On call alert classification and reporting
  • 295
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Nagdash
PHP
A full screen, clean interface for Nagios designed for A dashboard/NOC/monitoring screen.
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FITB
PHP
FITB is a tool that automatically polls every port on a list of switches you give it. Simple configuration, precise polling, easy searching and automatic discovery of both new ports and ports that go offline are the goals of FITB.
Shell
Automated daily scan using Nmap and report on the differences
JavaScript
This lovelace card for Home Assistant displays the Octopus Energy rate prices per each 30 minute slot
PHP
Full screen Nagios viewer intended for NOC/monitoring screens
PHP
An automatic rotation system for Cacti graphs to be display on a fixed monitor
PHP
A command line tool to calculate your Nagios "exposure" (that is, the maximum amount of time Nagios could take to send a notification) for your services.
PHP
Miscellaneous scripts for monitoring and operating various CDNs
Shell
Random handy/hacky Chef scripts
Ruby
A gem to allow easy parsing of Cisco configuration files
PHP
A collection of PHP scripts to utilise Pagerduty.com's API
C#
Playdar Windows wrapper
PHP
Quick and hacky script to be cronned to give you a daily update of your followers on Twitter.
Shell
Here lies an assortment of scripts that didn't fit anywhere else
JavaScript
A webOS experiment, to try and get a semi decent Etsy app.

"FITB" at Velocity Europe 2011 (lightning demo)


"Integrating Multiple CDN Providers at Etsy" at Velocity Europe 2013 and Etsy Labs (Code as Craft)


"Using Managed DNS to Integrate Multiple CDN Providers" at CDN Summit 2014

Abbreviated version of the above given with Michael Rembetsy. Video available here


"Mean Time to Sleep: Quantifying the On-call Experience" at Velocity CA 2014


"Leveling up monitoring: A decade of automating and scaling Nagios" at Velocity CA 2016