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@pecigonzalo
pecigonzalo / delete_all_object_versions.sh
Last active July 25, 2022 21:12 — forked from weavenet/delete_all_object_versions.sh
Delete all versions (except latest) of all files in s3 versioned bucket using AWS CLI and jq.
#!/bin/bash
bucket=$1
set -e
echo "Removing all versions from $bucket"
versions=`aws s3api list-object-versions --bucket $bucket |jq '.Versions | .[] | select(.IsLatest | not)'`
markers=`aws s3api list-object-versions --bucket $bucket |jq '.DeleteMarkers'`
@dpapathanasiou
dpapathanasiou / SchemaSpy-HOWTO.md
Last active February 17, 2024 19:45
How to use SchemaSpy to generate the db schema diagram for a PostgreSQL database

SchemaSpy is a neat tool to produce visual diagrams for most relational databases.

Here's how to use it to generate schema relationship diagrams for PostgreSQL databases:

  1. Download the jar file from here (the current version is v6.1.0)

  2. Get the PostgreSQL JDBC driver (unless your installed version of java is really old, use the latest JDBC4 jar file)

  3. Run the command against an existing database. For most databases, the schema (-s option) we are interested in is the public one: