Today I Learned (TIL)

A bunch of tips/tricks we have learned day to day across multiple repos/languages and putting them in public.

Categories

Bash

• Running multiple workers in bash and tmux

Linux

• Resizing VM hard disk
• Finding out the most used commands

Elasticsearch

• ES 7.0 changed the default number of primary shards To 1

Kubernetes

• Resizing persistent volumes
• Intercepting kubectl requests with mitmproxy
• Manually triggering a cronjob

jq

• Getting a field with a special character

Nginx

• Underscores in headers

Mongodb

• Checking current number of connections
• Checking the colleciton size

Python

• Slots

Contributing

• Clone the repo
• Add a folder for a category if it doesn't exit yet. Add a file. Update the README.md to add the link.
• Commit it and push to the repo.
• Profit 🥳