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Homebrew: How to Backup & Restore Homebrew Packages

Homebrew makes it easy to install and keep installed software up to date on your Mac - as part of my backup routine for my Mac I want to be able to run a single command to reinstall all packages.

If you're searching on how to backup & restore Homebrew, then I assume you're here for the commands.

Brewfiles

Brewfiles are files generated with definitions that Homebrew reads and processes, a generated

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python

pandas

Link

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pytest

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pandas

merge two dataframe

Append the columns of df2 to df1

df1.join(df2)

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Docker

List all containers

docker container ls -a

Find the volume of a docker container

docker inspect

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Audio

Detect number of channels from an audio file

brew install mediainfo

mediainfo file-path

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curl

Http post with JSON body

curl --header "Content-Type: application/json" \
  --request POST \
  --data '{"username":"xyz"}' \
  http://localhost:3000/api/login

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Kubernetes

Get IP of a pod

• kubectl get pods - get the name of a deployment or pod
• kubectl exec --stdin --tty <POD_NAME> -- /bin/bash - ssh into the pod
• wget ifconfig.me - get external ip
• whois IP - get info about the ip

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Git

Commit

• Empty commit git commit --allow-empty -m 'fake commit to push'

Git stash

• git stash
• git stash pop - apply last stashed patch

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Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000

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Get Linux version

lsb_release -a