Nostalgia technology, DNS, and lessons learned as a senior engineer - 123dev #23

Posted on September 28, 2021  •  2 minutes  • 424 words

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Nostalgia technology

Looking back at old technology products most of the time I think how bad they were. Occasionally, I remember something I really liked and I wish I could have it again. But then I realize the products were good at the time but probably would hold back innovations in ways I couldn’t predict.

Much like this car jack which seems like a great idea! Takes up minimal amount of space, self inflates, and probably about as safe as scissor jacks are today. But when you think about it maybe if we all had self inflating car jacks the electric car would have one more obstacle to overcome.

Manual understanding

This week I was working on content for a new workshop and I had to add an EC2 instance to an ALB manually. It dawned on me I never had to do that before and I didn’t actually know the steps required. I hope I don’t have to do it again but I’m thankful I did because I’m sure it’ll help me troubleshoot automation in the future.

Links

There’s some really good nuggets of wisdom here. There’s also some not great advice and quite a bit of bias. I didn’t read all the comments but the OP’s content is worth looking through.

Drunk Post: Things I’ve learned as a Sr Engineer : ExperiencedDevs — www.reddit.com I’m drunk and I’ll probably regret this, but here’s a drunken rank of things I’ve learned as an engineer for the past 10 years. * The best way…

A thorough, 5-part walk through of DNS lookups on Linux. Covering everything from config files, to NetworkManager, and even Kubernetes. Worth a read if you’ve ever been curious how it works.

Anatomy of a Linux DNS Lookup – Part I – zwischenzugs — zwischenzugs.com Since I work a lot with clustered VMs, I’ve ended up spending a lot of time trying to figure out how DNS lookups work. I applied ‘fixes’ to my problems from StackOverflow without really understanding why they work (or don’t work) for some time. Eventually I got fed up with this and decided to figure…

I learned a lot of new things while making the site for this newsletter. It’s not super deep technical stuff but it still took me a few weeks to troubleshoot and get things working exactly as I wanted. I wrote a lot of it down here and have one more blog draft I hope will be ready soon.

Making 123dev Website — www.justingarrison.com Problems I figured out when creating 123dev.email