diff options
| -rw-r--r-- | paper.tex | 13 |
1 files changed, 7 insertions, 6 deletions
@@ -158,17 +158,18 @@ We will thus focus on Docker here. However, that is rarely done.} Usually images are imported with generic operating system (OS) names; e.g., \cite{mesnard20} uses `\inlinecode{FROM ubuntu:16.04}' \ifdefined\noappendix - \new{(more examples in the \href{https://doi.org/10.5281/zenodo.\projectzenodoid}{appendices})}.% + \new{(more examples in the \href{https://doi.org/10.5281/zenodo.\projectzenodoid}{appendices})}% \else% - \new{(more examples: see the appendices (\ref{appendix:existingtools})).}% + \new{(more examples: see the appendices (\ref{appendix:existingtools}))}% \fi% -The extracted tarball (from \url{https://partner-images.canonical.com/core/xenial}) is updated almost monthly, and only the most recent five are archived there. -Hence, if the image is built in different months, its output image will contain different OS components. -In the year 2024, when long-term support for this version of Ubuntu expires, the image will be unavailable at the expected URL. +. The extracted tarball (from \url{https://partner-images.canonical.com/core/xenial}) is updated almost monthly, and only the most recent five are archived there. + Hence, if the image is built in different months, its output image will contain different OS components. +% CentOS announcement: https://blog.centos.org/2020/12/future-is-centos-stream +In the year 2024, when long-term support (LTS) for this version of Ubuntu expires, the image will be unavailable at the expected URL \new{(if not abruptly aborted ealier, like CentOS 8 which will be terminated 8 years early).} Generally, \new{pre-built} binary files (like Docker images) are large and expensive to maintain and archive. %% This URL: https://www.docker.com/blog/docker-hub-image-retention-policy-delayed-and-subscription-updates} \new{Because of this, DockerHub (where many reproducible workflows are archived) announced that inactive images (older than 6 months) will be deleted in free accounts from mid 2021.} -Furthermore, Docker requires root permissions, and only supports recent (``long-term-support'') versions of the host kernel, so older Docker images may not be executable \new{(their longevity is determined by the host kernel, typically a decade)}. +Furthermore, Docker requires root permissions, and only supports recent (LTS) versions of the host kernel: older Docker images may not be executable \new{(their longevity is determined by the host kernel, typically a decade).} Once the host OS is ready, PMs are used to install the software or environment. Usually the OS's PM, such as `\inlinecode{apt}' or `\inlinecode{yum}', is used first and higher-level software are built with generic PMs. |