I've got virtualmin up and running and things are good. However, I'm having trouble getting quotas to work (I would like to be able to enforce disk quotas for email accounts).
I am using Ubuntu Server 12.04 on an Amazon AWS EC2 instance. It's the default Ubuntu AMI (aside from virtualmin) - I haven't modified anything.
When I try to enable quotas via Webmin -> System -> Disk Quotas, I get the error:
quotaon: using //aquota.user on /dev/disk/by-label/cloudimg-rootfs [/]: No such process quotaon: Quota format not supported in kernel.
I've done some Googling but can't figure out what the issue is and I don't want to modify configs at the OS level for fear of interfering with or breaking Virtualmin / Webmin.
fstab already has quotas enabled (I did not change this): LABEL=cloudimg-rootfs / ext4 grpquota,usrquota,rw 0 0
Any ideas on how I can fix this?