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March 2, 2022 – 2:00 pm

Books have been written on the subject of awk and sed. Here’s a small sample of commands I put together over the years that are useful for everyday system administration tasks. Most of these tasks …

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Home » Archive by Month

Article Archive for October 2021

Clone Raspberry Pi SD to Larger Card

October 28, 2021 – 11:56 am
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This is more of a note to myself: every time I need to clone the RPi card, I end up googling things for an hour. The process is two-fold: clone the SD and resize the …

Laziness vs Phishing

October 21, 2021 – 2:02 pm
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Here’s an interesting article detailing the methods scammers use to steal your one-time passwords for Coinbase.

A Wrapper Script for unrar

October 21, 2021 – 11:51 am
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Just a straightforward wrapper script for the unrar command that allows extracting specified filetypes from multipart archives while utilizing all available CPU cores.

Convert XLSX to a MySQL Table

October 14, 2021 – 11:49 am
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Some people find it hard to let go of Excel even when the situation is ripe for a database. And so dozens of different versions of the same spreadsheet edited by many people are floating …

Generating IP Whitelists

October 7, 2021 – 11:44 am
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I have several scripts that scan various log files for signs of suspicious activity and block the offending IPs on my Web servers – pretty standard stuff. The trick, of course, is not to block …