How to write a Linux command in a Dockerfile

Question

I have a linux shell command, that need to be written in a Dockerfile.

for ((i=10001; i<10101; ++i)); do pwgen -n -s -B -c 10 | sed "s/^/$i /"; done > user.tx_ ; /bin/cp -f user.tx_ user.txt ;

Anybody can help me ? Thank you very much.

Nir Levy · Accepted Answer · 2017-10-12 07:43:29Z

You can use the RUN keyword in order to execute stuff.
If it's shell command you want to run, you can run bash -c with your shecl script.

Behrooz · Accepted Answer · 2017-10-12 07:35:11Z

0

This can provide you with a shell inside the container:

docker exec dockernamehere bash

answered Oct 12, 2017 at 7:35

1,7343 gold badges33 silver badges60 bronze badges

2 Answers 2