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I had this exact error. Assuming that you have the prerequisites installed and that running the command manually works, but not in Cron, it may be that the correct path is not exposed to the cron command. You can fix this by running crontab -e and then entering the path directly into the cron tab: # Export the path so that the scripts run correctly PATH=/...


No, EBS can be connected to just one EC2 instance. You can imagine it as normal harddisk - it can be connected to only one machine too. You can switch EBS between your instances but cannot attach it to more than one. EFS is just network filesystem like nfs or samba, you can mount it with your fstab. But you have to check if EFS is available in your region! ...


If speed is a concern than I suggest using an InstanceStore rather than EBS.

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