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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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Article Archive for June 2019

Squeezing Video Files

June 30, 2019 – 11:16 am
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All that crap I’ve been saving from YouTube, Facebook and whatnot tends to add up. As quality is not a huge concern here (not that it was very high to begin with), optimizing those video …

Finding Passwords in Logs and Shell History

June 27, 2019 – 11:15 am
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Sooner or later it will happen: you type something after which you expect a password prompt then, without looking, you type the password. However, you fat-fingered the first command, and your password ended up in …

Anatomy of Internet Bullshit

June 25, 2019 – 11:12 am
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Here’s an oldie from two years ago that reared its ugly head on Pocket: Starting Your Day on the Internet Is Damaging Your Brain, by Srinivas Rao. The author presents his personal opinion that reading …

Late Night Rant: College Admissions Scandal

June 23, 2019 – 11:11 am
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This is America: you’re either a duper or a dupee. I’m a duper. You guys are the dupees.
— Frank Reynolds (Danny DeVito), It’s Always Sunny in Philadelphia
How will the 2019 college admissions scandal work out? …

Adding and Removing sshd instances on CentOS 7

June 20, 2019 – 11:09 am
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As a follow-up to my previous post about adding sshd instances on CentOS 5 & 6, here’s a script that does the same on RHEL/CentOS 7.