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lang-bash
sudo crontab -eThat way, your script already has root access and you don't need to usesudo.moredoes not make sense since a web page isn't interactive. You probably wantcrontab -lorsudo crontab -l -u pi. (Orsudo cat /var/spool/cron/crontabs/pi, though technically that only works by accident and other distributions have their crontabs in other locations.)crontab -ewill also not work because you're asking to edit the crontab -- from a noninteractive shell.