Notes¶

AWS¶

• Get credentials for an assumed role
• Using the AWS CLI without installing it
• Create presigned URLs using AWS CLI
• Cross-account data transfer in S3

CLI¶

• Bulk rename files

Git¶

• Rebase commits done on the wrong branch

GitHub¶

• Force GitHub to detect a language

GitLab¶

• Infinite-expiry access tokens on self-hosted GitLab

Heroku¶

• Scaling Heroku's release type
• Scheduler-only Heroku apps

Images¶

• Optimising GIFs

Media¶

• Downmixing audio channels
• Strip audio / subtitle stream with ffmpeg

Mkdocs¶

• Hide short Table of Contents
• Navigate mkdocs by tag

Networking¶

• Simple reverse proxy

PostgreSQL¶

• Find and kill long running queries
• View wide tables with psql
• Monitor running queries
• Truncate a database from the inside

Redis¶

• Monitor redis commands

Shell¶

• Stop saving bash history