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Jest commands

Run specific test

jest --config=../../jest.config.js --colors src/path/to/file.test.ts

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---

minikube start --kubernetes-version=v1.22.3 --driver=hyperkit --container-runtime=docker --nfs-share="/path/tp/project/folder" --nfs-shares-root="/"

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minikube logs minikube profile list

---

minikube kubectl get nodes

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nmap - Port scanning utility for large networks

Install on macOS:

brew install nmap

To see ports being listened to:

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Docker compose

Up a certain container only

docker-compose up -d <NAME>
docker-compose logs

Note: Just drop the -d flag if you want to see the logs echoed to stdout.

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Cherry-pick

1. Get commit hash 103fe73
2. Create branch from a specific version (tag) and name it like forward-merge-<YOUR_BRANCH>
3. Run git cherry-pick 103fe73
4. Resolve conflicts if needed

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How to compare 2 files

code -d left.txt right.txt

Note: where in your ~/.bash_profile file

code () { VSCODE_CWD="$PWD" open -n -b "com.microsoft.VSCode" --args $* ;}

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Go to Redis command line interface

redis-cli -h 127.0.0.1 -p 6379

Info and stats about the server

127.0.0.1:6379> INFO

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If you disabled query logging, you can still log individual queries when needed.

await User.findOne({
  logging: console.log, // log SQL statement to console
  // ...
});

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Debian/Ubuntu image already included a self-signed certificate.

docker run \
  --rm \
  -e POSTGRES_PASSWORD=password \
  postgres:12 \
  -c ssl=on \
  -c ssl_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem \
 -c ssl_key_file=/etc/ssl/private/ssl-cert-snakeoil.key

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DB restart

postgres=# SELECT pg_reload_conf();
  pg_reload_conf
----------------
  t
(1 row)