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Does /temp really exist (didn't you mean /tmp)? If it doesn't then your script tries to cd to /temp, fails, and then all the commands run in the starting directory. The last two commands are particularly dangerous because you cd to /, then cd to /temp (which may not exist) and then rm everything (which could well be the root filesystem). You should ...


Run: sudo systemctl enable sshd.socket To enable service to run on boot.


In my opinion you should never ever disable the root user entirely. If you do not want to be able to login as root using ssh you should set the directive PermitRootLogin no in /etc/ssh/sshd_config. For other applications there are mostly equivalent settings which can be made.

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