/bin/bash^M: bad interpreter: No such file or directory
sed -i -e 's/\r$//' nomefile.sh

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Aggiungere un secondo punto di push 
git remote set-url --push --add origin  https://github.com/.....

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prima di entrare in ssh in un server remoto in cui usiamo git collegato via ssh
eval "$(ssh-agent -s)" && ssh-add
ssh-add -L

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per cercare un testo dentro i file 
grep -Ril "text-to-find-here" .

i stands for ignore case (optional in your case).
R stands for recursive.
l stands for "show the file name, not the result itself".
/ stands for starting at the root of your machine.

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Automatically track remote branch with git
git config --global --add --bool push.autoSetupRemote true

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ignore file mode chmod change
git config core.fileMode false

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