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Mark McWiggins
Mark McWiggins

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Sep 25, 2021

How to debug your Kubernetes cluster without going mad!

I’ve been working with Kubernetes for several months and at times thought I was going mad myself! But I learned some debugging techniques that I think should be widely applicable; here they are. Make sure the application in your container is working first. If you just deploy the cluster’s containers without checking first, you’re apt to have to dig into…

3 min read

How to debug your Kubernetes cluster without going mad!
How to debug your Kubernetes cluster without going mad!

Sep 12, 2021

Adventures in Cell Phone Hotspot Land

I live in Deep Fringe Suburbia, out of the range of the mainstream cable internet service of our area, Comcast. For the first two years we lived here, we got along with Viasat, satellite internet that mostly worked (sometimes dropping me out of important stuff, like online bridge I was…

Cell Phone Hotspot

4 min read

Adventures in Cell Phone Hotspot Land
Adventures in Cell Phone Hotspot Land

Aug 8, 2021

Kubernetes + LetsEncrypt: it seemed worth investigating …

I am working on contract for a small division of a large company. There are just a very few of us techies working at this place. One of my first tasks was to get a “real” SSL certificate set up to point to the web address that would be pointing…

3 min read


May 1, 2021

Beware Facebook “friends” hawking opportunity

I spent 10 years deluding myself and a few others that I could make a living / get rich by trading stock options and futures. Anyway, I finally came to my senses and stopped trading such items, fortunately before I attracted any “friends” on Facebook or any contacts I made…

Facebook Scam

3 min read

Beware Facebook “friends” hawking opportunity
Beware Facebook “friends” hawking opportunity

Apr 11, 2021

How to Hack your Sleep for Better Health, more Enjoyment and maybe to live to 90+!

I’ve been lucky: I’ve only very occasionally had trouble sleeping my entire life. Some friends and relatives have not been so fortunate: I’ve read two books on the subject recently that seemed insightful about sleep. The first one is by a non-standard insomnia doctor:

Sleep

3 min read


Mar 22, 2021

How to use Caffeine to Excel at Job Interviews

Being optimally caffeinated at just the right time for your job interview could make all the difference, as caffeine increases verbal acuity and mental sharpness. But what’s the best way to achieve this? You could, of course, drink tea or coffee …

Caffeine

3 min read

How to use Caffeine to Excel at Job Interviews
How to use Caffeine to Excel at Job Interviews

Mar 20, 2021

A Revelation I Had Preparing for Tech Interviews

Basically: there’s nothing new under the interview sun. First of all, I wrote earlier about my experience with Hirevue … the algorithm (for finding whether or not two strings are anagrams) did work and was quite efficient (O(1)) .. but not the simplest one, available with a quick web search: …

Technical Interview Tips

2 min read


Mar 8, 2021

An alternative to HackerRank et. al. That Seems a Distinct Improvement

I’ve been interviewing for jobs, and all too often these days the company uses one of the not-at-all-like-the-job tests that I complained about in another article. But twice this past week I received invitations to take tests from another company Hirevue, that I hadn’t heard of before. …

Job Interview

2 min read


Mar 1, 2021

An Update on my Afib supplement regimen

I recently made a change to the supplement mix I’ve been taking to control Afib (and generally support my health). How I came to this decision was a bit circuitous: I came across of “list of best 2020 podcasts” in the New York Times, and The Dream Season 2 was…

Afib

3 min read


Feb 15, 2021

How to Avoid a Too-Common Source of “False Negatives” in Tech Recruiting

Do I really need to take the laptop with me when I take a “bio-break”? Read on. First, to define terms. In any selection/sorting scheme, you want to sort the desirable from the undesirable, but no such scheme is perfect. The two classes of errors: False Positive: your scheme marked…

Hackerrank

4 min read

Mark McWiggins

Mark McWiggins

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