iamucil

openssl genpkey -algorithm RSA -out rsa_private.pem -pkeyopt rsa_keygen_bits:2048
openssl rsa -in rsa_private.pem -pubout -out rsa_pub.pem

JWT RSA Key minimum key size is 2048, for extra security increase bit lengths to 4096.

iamucil

go mod edit -module {NEW_MODULE_NAME}
-- rename all imported module
find . -type f -name '*.go' \
  -exec sed -i -e 's,{OLD_MODULE},{NEW_MODULE},g' {} \;

iamucil

echo N | sudo tee /sys/module/overlay/parameters/metacopy

iamucil

inp = input("Identifier: ")
try:
    val = int(inp)
    print('%x' % val)
except ValueError:
    print(int(inp, 16))

iamucil

```bash 
docker volume create postgres-data
```
-- override docker-compose > docker-compose.override.yml
version: '3'
services:
  postgres:
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: dbPassw0rd

iamucil

cat file.sql | docker-compose exec -T container_name psql -U pg_user -a -v "options=--search_path=schema" -d db_name