I'm trying to start the cron job using:
php bin/magento cron:install [--force]
But in return i'm getting:
Magento supports 7.0.2, 7.0.4, and 7.0.6 or later.
I'm running 7.1.19 though :-/
You must downgrade your php version to run your command,
Install php 7.0.* version to sort out your issue.
Check below technology stack,
I hope it will help you.
There is version PHP version support error. To check your PHP version, please run below command
You can find out which PHP version support Magento 2 here https://devdocs.magento.com/guides/v2.2/install-gde/system-requirements-tech.html#php
Might be you have PHP 5.x version that's the way you got an error.
You can upgrade PHP version by following reference link
After upgrade extension, please make sure below extension is installed https://devdocs.magento.com/guides/v2.2/install-gde/system-requirements-tech.html
I hope that it will help you.