Synology NAS - Ever wonder why you cannot write to a USB external drive ?

So I was seeing this: -

cd /volumeUSB1/usbshare

touch foo

touch: foo: Permission denied

when I tried to write a file to an EXT2-formatted USB drive on my Synology DS414 NAS as a non-root user.

However, I was able to write a file as the root user.

Well, it's quite simple actually: -

Yes, the USB drive appears as this: -

/dev/sdr1 on /volumeUSB1/usbshare type ext3 (0)

and my admin user did NOT have Read/Write access to that drive.

It was actually this article that led me to the solution: -

Log in to a Synology DiskStation using SSH keys as a user other than root

so I will explore the SSH keys option :-)