Day 67 of 90 Days of DevOps - Security Policies and Governance. Part of the Security & Compliance series covering essential DevOps concepts and hands-on practices.

While [writing this thread](https://twitter.com/simonw/status/1370390336514658310) about my habit of opening issues and closing them a few seconds ...

Day 66 of 90 Days of DevOps - Compliance as Code. Part of the Security & Compliance series covering essential DevOps concepts and hands-on practices.

Inspired by [Drew Breunig's Faucet Finder](https://www.dbreunig.com/2023/09/26/faucet-finder.html) I decided I wanted to deploy an API somewhere th...

> :warning: **17 Feb 2022: There have been reports of running tmate causing account suspensions**. See [this issue](https://github.com/mxschmitt/ac...

Day 65 of 90 Days of DevOps - SAST and DAST Implementation. Part of the Security & Compliance series covering essential DevOps concepts and hands-on practices.

For a friend's wedding I needed to run a Google Photos slideshow on some large televisions.

Day 64 of 90 Days of DevOps - Secrets Management and Vault. Part of the Security & Compliance series covering essential DevOps concepts and hands-on practices.

The San Francisco Microscopical Society has some extremely high resolution scanned images - one of them is a 1.67GB PNG file with a 25,088 × 17,283...

Day 63 of 90 Days of DevOps - Container Security and Image Scanning. Part of the Security & Compliance series covering essential DevOps concepts and hands-on practices.

I recently found out modern browsers include a JavaScript API for creating public/private keys for cryptography.

Day 62 of 90 Days of DevOps - Security Scanning in CI/CD Pipelines. Part of the Security & Compliance series covering essential DevOps concepts and hands-on practices.

Day 61 of 90 Days of DevOps - DevSecOps Introduction and Principles. Part of the Security & Compliance series covering essential DevOps concepts and hands-on practices.

Day 60 of 90 Days of DevOps - Observability Best Practices. Part of the Monitoring & Observability series covering essential DevOps concepts and hands-on practices.

I managed to accidentally create a GIF that ran once without looping. I think this is because I created it in [LICEcap](https://www.cockos.com/lice...

macOS Catalina uses `zsh` rather than `bash` as the default shell (apparently because Apple don't like GPL 3).

Day 59 of 90 Days of DevOps - Chaos Engineering and Resilience. Part of the Monitoring & Observability series covering essential DevOps concepts and hands-on practices.

I figured out this pattern today for adding templated extra blocks of information to the Django admin change page for an object.

Day 58 of 90 Days of DevOps - SRE Principles and Error Budgets. Part of the Monitoring & Observability series covering essential DevOps concepts and hands-on practices.

Day 57 of 90 Days of DevOps - Alerting and Incident Management. Part of the Monitoring & Observability series covering essential DevOps concepts and hands-on practices.

Day 56 of 90 Days of DevOps - Distributed Tracing with OpenTelemetry. Part of the Monitoring & Observability series covering essential DevOps concepts and hands-on practices.

I needed to bulk-delete a large number of objects today. Django deletions are relatively inefficient by default, because Django implements its own ...

Day 55 of 90 Days of DevOps - Application Performance Monitoring. Part of the Monitoring & Observability series covering essential DevOps concepts and hands-on practices.

Day 54 of 90 Days of DevOps - ELK Stack for Log Management. Part of the Monitoring & Observability series covering essential DevOps concepts and hands-on practices.