My objective is to troubleshoot 502 errors in my load balancer. The first step is to set up access logs. That says to create an S3 bucket, create a policy for it, and then configure the load balancer. I refuse to do this in the console; I’m using terraform to create resources and kubernetes to …
${BASH_SOURCE%/*} This is useful when you want to read a file that’s in the same directory as the current script, for instance. $BASH_SOURCE holds the current script, including a path. That could be a relative path or a full path. % says “strip off a glob from the end of the value, the smallest glob …
TL;DR: Run the OpenTelemetry Collector helm chart with –values=values.yaml pointing to the values.yaml in this gist. Use kubectl get services to find the collector’s URL. The rest of this blog post walks through the whole process of setting this up. This will teach you the why and how of each step, so that you can adjust it to your needs. There’s also …
Read moreRun the OpenTelemetry Collector in Kubernetes for Front-End Tracing
TL;DR: gci -r -fi <filename-pattern> My favorite use of find in bash is to find files whose name matches a pattern. For instance, find all the jar files under this directory: bash# find . -name ‘*.jar’ In PowerShell, there’s a program called “find” but it ain’t the same program. Short Answer Instead, use Get-ChildItem. The …
Today I learned how to create aliases in PowerShell. I’m switching from Mac to Windows, and I want the terminal in VS Code to do what I want. No terminal will work for me until it interprets gs as git status. I type that compulsively. In bash, setting that up looks like this: alias gs=’git …
Ah, command line tools, they’re so fast. And so easy to use on a Mac. Given a bunch of image files in the same dimensions, that you want to crop to a fixed portion of the image: 1) Install imagemagick brew install imagemagick 2) put all the images in a directory by themselves, and cd …
Read moreCropping a bunch of pictures to the same dimensions