19 Matching Annotations
  1. Last 7 days
  2. May 2020
  3. Jan 2020
  4. Mar 2019
    1. Pipeline de CI/CD no Kubernetes usando Jenkins e Spinnaker

      Uau! Muitos assuntos da prova LPI DevOps são explorados nessa palestra. Fica de olho no tópico: 702 Container Management.

  5. Jan 2019
  6. Oct 2018
  7. Sep 2018
  8. Jul 2018
  9. Sep 2017
    1. Singularity containers can be used to package entire scientific workflows, software and libraries, and even data.

      Very interesting, basically Singularity allows containers to run in HPC environments, so that code running in the container can take advantage of the HPC tools, like massive scale and message passing, while at the same time keeping the stuff in the container safer.

  10. Apr 2016
  11. Jan 2014
    1. Difference between XZ and LZMA2 Short answer: xz is a format that (currently) only uses the lzma2 compression algorithm. Long answer: think of xz as a container for the compression data generated by the lzma2 algorithm. We also have this paradigm for video files for example: avi/mkv/mov/mp4/ogv are containers, and xvid/x264/theora are compression algorithms. The confusion is often made because currently, the xz format only supports the lzma2 algorithm (and it’ll remain the default, even if some day, others algorithms may be added). This confusion doesn’t happen with other formats/algorithms, as for example gzip is both a compression algorithm and a format. To be exact, the gzip format only supports to encapsulate data generated by gzip… the compression algorithm. In this article I’ll use “xz” to say “the lzma2 algorithm whose data is being encapsulated by the xz format”. You’ll probably agree it’s way simpler

      The key here is the notion of a format as a container. Lots of content is moving towards that notion-- that a "file" is really an opaque (to the OS filesystem) directory or container of some sort and some other program understands the format of the "file" as a container to know how to open it to access the files inside.