I got it working!
See full process below:
Did not require a reboot to take effect. Not sure if I'll need to repeat this process each time I start up; I'm sure that, if so, there's a way to automate it.
See full process below:
[root@alarmpi ~]# lsblk -p NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT /dev/sda 8:0 1 14.9G 0 disk `-/dev/sda1 8:1 1 14.9G 0 part /dev/mmcblk0 179:0 0 14.9G 0 disk |-/dev/mmcblk0p1 179:1 0 90M 0 part /boot |-/dev/mmcblk0p2 179:2 0 1K 0 part `-/dev/mmcblk0p5 179:5 0 1.7G 0 part / [root@alarmpi ~]# mkdir /mnt/usbdrive [root@alarmpi ~]# mount /dev/sda1 /mnt/usbdrive [root@alarmpi ~]# ln -s /mnt/usbdrive /opt/piratebox/share/Shared
Did not require a reboot to take effect. Not sure if I'll need to repeat this process each time I start up; I'm sure that, if so, there's a way to automate it.