Luke Hebert
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Welcome to the articles section, where business, technology, and everyday problem-solving meet. You’ll find practical how-tos, troubleshooting notes from the trenches, and the occasional take on whatever’s happening in the world. Some posts will save you time, some will spark ideas, and a few will just be me thinking out loud. Grab a coffee and dig in.

Check Web Crawler Impact January 24, 2022

Check Web Crawler Impact

A quick bash function to identify which search engine crawlers are hitting your Apache logs and how often, so you can spot unusual traffic patterns at a glance.
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Chroot Suggested Mounts for Rescue January 24, 2022

Chroot Suggested Mounts for Rescue

A quick walkthrough of using virt-rescue to generate the correct mount commands for a chroot rescue session on a libvirt guest.
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Count Unique Connecting Addresses January 24, 2022

Count Unique Connecting Addresses

A quick pipeline using awk, sort, and uniq to count how many times each unique IP address appears in a log file. Handy for spotting the most active or suspicious clients at a glance.
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Counting Connecting IPs on Port 80 with netstat and ss January 24, 2022

Counting Connecting IPs on Port 80 with netstat and ss

Two quick one-liners that count how many unique remote IPs are connected to port 80, using either netstat or ss. Handy for spotting unexpected traffic or verifying that only expected clients are hitting your web server.
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Create a New rndc.key for BIND January 24, 2022

Create a New rndc.key for BIND

Generate a fresh rndc.key and wire it into rndc.conf so your BIND name server accepts authenticated remote control commands. Covers the rndc-confgen command and the full rndc.conf structure.
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Create Symbols and Resolve Stack (MySQL) January 24, 2022

Create Symbols and Resolve Stack (MySQL)

Learn how to extract dynamic symbols from the mysqld binary and use them to resolve a crash stack dump into readable function names.
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