Category Command line Fu

This one is a big specific. I recently squashed the database migrations for an app that have pivoted a lot of times, leading to things being added, removed, and re-added to the schema. To get a cleaner source code record,…

Add helm repos: helm repo add ingress-nginx helm repo add jetstack helm repo update Create namespace: kubectl create namespace poc Install ingress: helm upgrade –install ingress-nginx ingress-nginx/ingress-nginx \ –namespace ingress-nginx \ –create-namespace # Wait for external IP (load-balancer…

Assuming kubectl is configured. This is how to run default nginx site on Kubernetes. Simple setup = load balancer/no ingress In this example we don’t use an ingress. We just expose the static website behind a loadbalancer, so the static…

Assuming kubectl is configured: Run as job: # Start job kubectl create job hello \ –image=busybox \ — echo "Hello from a Kubernetes Job" # See it run/complete kubectl get jobs # View logs from job kubectl logs job/hello #…

First steps in terminal: mkdir -p ~/.zsh/completions upctl completion zsh > ~/.zsh/completions/_upctl Add to your ~/.zshrc: fpath=(~/.zsh/completions $fpath) autoload -Uz compinit compinit Done

First, a confession. To get this to run on my Mac, I probably installed a bunch of stuff, such as Latex. I don’t remember what I did to make it work, so you will have to reverse engineer that. Here…

You can use the shell to extract a random sample of lines from a file in *nix. The two commands you need are “shuf” and “head” (+ “tail” for CSV files with a header). The shuf command will randomly shuffle…

Fing logger (finglogger.sh): #!/bin/sh FING_LOG_FILE= # append current public ip echo `date +”%Y/%m/%d %T”`”;publicip;”`curl -s ipecho.net/plain`”;;;” >> $FING_LOG_FILE # append current fing output /usr/bin/fing -r1 -o log,csv,$FING_LOG_FILE,1000 –silent Add to cron (run every hour): 0 * * * *