Start looking into issue#445 on CoreOS Assembler:

• xz format
  • Downside
  • bzip2 vs. xz vs. gzip2
• lzma algo

Taking notes:

• gzip uses DEFLATE algorithm
• xz uses LZMA2
• Process of cosa init && cosa build && cosa run:
  • download a cosa image that has all of the scripts installed
  • spin up a container using the image just downloaded
  • spin up a vm that built from the local fcos image that is built with FCOS config, inside the cosa container

Run:

• podman images && podman rmi IMAGE_ID

Related links:

• https://fedoraproject.org/wiki/Changes/Switch_RPMs_to_zstd_compression