Category: all

  • The case of the inconsistent SSL: AES-NI broken? Bad CPU?

    The case of the inconsistent SSL: AES-NI broken? Bad CPU?

    New modest-power desktop for the office. And, getting once in a while intermittent encryption errors (e.g. SSL, SSH). See an example:   $ docker pull ubuntu:18.04 18.04: Pulling from library/ubuntu Digest: sha256:5f4bdc3467537cbbe563e80db2c3ec95d548a9145d64453b06939c4592d67b6d Status: Image is up to date for ubuntu:18.04 $ docker pull ubuntu:18.04 Error response from daemon: Get https://registry-1.docker.io/v2/: x509: certificate signed by unknown…

  • Cloud billing and bugs: log ingestion

    Cloud billing and bugs: log ingestion

    So I’m using Google Cloud Platform (GCP) with Google Kubernetes Engine (GKE). Its not a big deployment (3 instances of 4VCPU/7.5GB RAM), but is now up to about $320/month. And I’m looking at the log ingestion feature. You pay for the bytes, api calls, ingestion, retrieval. See the model here. Feature Price1 Free allotment per…

  • DTS-HA MA and devices that don’t support

    Sometimes you have a video that has DTS-HD MA as the audio codec, and you have a device that misbehaves. You could transcode it, but, well, here’s a better way. It copies it through (so no loss) and adds an AAC version (in same number of channels). #!/usr/bin/env python3 # Add an aac track alongside…

  • Blockchain vs GDPR: fight?

    Blockchain vs GDPR: fight?

    OK here’s a puzzle for you. Blockchain. Its immutable, for all time. And that’s the point, its not a side-affect. So, that pizza you bought a few years ago with Bitcoin, someday digital archaeologists will puzzle over why you felt anchovies were the right choice for that topping. And yes it will be you, its…

  • Moving into a new (cloud) neighbourhood? Check its reputation!

    Moving into a new (cloud) neighbourhood? Check its reputation!

    When you move to a new neighbourhood, you do some research. Are the schools good? The neighbours cooking the finest meth? That sort of thing. Its a reputation associated with that neighbourhood. In the cloud, that neighbourhood is two things: the IaaS provider itself, and, who had that public IP last. And, well, cloud instances…