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1. pytest-start pytest-start Public

   Python 3

2. increase swap file size to 8Gb increase swap file size to 8Gb

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   # ref. https://askubuntu.com/a/1075516/22308

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   sudo swapoff /swapfile # make all swap off

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   sudo rm -rf /swapfile # remove the current

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3. test psql at specific ip:port test psql at specific ip:port

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   # ref. https://stackoverflow.com/a/59657648/248616

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   echo 'QUIT' | nc -w SECONDS YOUR_HOST PORT; echo $?

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   # eg

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   echo 'QUIT' | nc -w 1       localhost 5432; echo $?

4. install-pipenv-w-pyenv-at-python-3.6... install-pipenv-w-pyenv-at-python-3.6.x.sh

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   #!/bin/bash

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   _='run the below scripts line by line not run the whole as a batch file';

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   _='gist github ref. bit.ly/nnpipenv';

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5. Multi-line bash command Multi-line bash command

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   echo `cat << EOF

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       line 1

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       line 2

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   EOF`

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6. falcon-start falcon-start Public

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