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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 September 2015

Hold Off on iOS 9 iPhone Upgrade

September 21, 2015 – 2:16 pm
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If you haven’t updated your iPhone 6/6 Plus to the recently-released iOS 9, I’d suggest you hold off for a few weeks. Several bugs – including a significant security hole – have surfaced that will …

Removing Metadata from Images

September 8, 2015 – 12:09 pm
binoculars watch security rifle gun

Phones and cameras record a surprising amount of personally-sensitive information with the photos they create. This data includes timestamps, GPS coordinates, software used to process the images and lots of other details you may not …

Reduce SNMPd Logging Level

September 8, 2015 – 11:01 am
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By default, (on RHEL/CentOS, at least) snmpd will log all connection attempts, which can turn your /var/log/messages into a giant mess, looking something like this…

Arthemia jCarousel Number of Posts

September 4, 2015 – 3:45 am
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This is primarily just a note to myself on how to change the number of visible items in the jCarousel implementation for the WordPress Arthemia theme. Recently I finally updated to the current version and …

Tuesday Night Rant: LED Light Bulbs

September 1, 2015 – 9:51 pm
Row of light bulbs

An off-topic for sure, but after a brief conversation about LED bulbs with a friend – a Contract Electrical – I found I had more arguments then I was willing to spill on Facebook. I …

Linux CLI Network Speed Test

September 1, 2015 – 12:36 am
network switch

The speedtest.net is probably one of the more popular bandwidth testing utilities, Unfortunately, this and many other similar tools require a Web browser with late-version Flash or Java support, which can be problematic on Unix …