7

In the docker file:

from debian:latest

RUN apt-get install parallel
RUN parallel --citation <<< "will cite"

And the docker build simply does not complete because of this entry process. How to install parallel?

Chris
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3 Answers3

3
RUN yes 'will cite' | parallel --citation

Is one possible answer.

For a history on GNU-parallel (and original script):

GNU Parallel since 2001

It appears that recent devs introduced this 'will cite' viral-marketing concept. I guess it isn't as bad as naming a then-2000 year old math equation after oneself (sorry Pythagoras), but it is annoying when spinning up images in a commercial context.

If it continues to be a problem on your images, consider setting up a makefile or running the original parallel code (see link above).

I have also never gotten parallel to work on multiple computers -- TLDR -> Too Complicated, Never Tried -- and may instead look into pexec:

pxec: execute command in parallel on remote machines

This would be the map operation in a unix-style MAP->REDUCE implementation. On the remote box, make or GNU-parallel could still be used.

Chris
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  • This seems to cause a loop with `GNU parallel 20211122` since the program just keeps asking for citation. – mhvelplund May 10 '22 at 08:46
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    @mhvelplund good catch. This whole "will cite" thing is an annoying new development for "GNU" `parallel`, which I was using for the first time in an air-gapped context back in 2008. I guess it has been around since 2001, but has been developed significantly in the last few years. If you find a new and better way to get rid of it, great. – Chris May 12 '22 at 16:20
1

For version GNU parallel 20211122 I had to change @Chris' answer to:

RUN echo 'will cite' | parallel --citation || true
mhvelplund
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1

This worked for me on GNU parallel version 2022102:

touch ~/.parallel/will-cite

For example, running in a Fedora 37 docker:

[root@4b60c99bec99 ~]# parallel echo {} ::: 1 2 3
Academic tradition requires you to cite works you base your article on
...
To silence this citation notice: run 'parallel --citation' once.

1
2
3
[root@4b60c99bec99 ~]# touch ~/.parallel/will-cite
[root@4b60c99bec99 ~]# parallel echo {} ::: 1 2 3
1
2
3
[root@4b60c99bec99 ~]#
jsp
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