To mount a USB stick / disk and make it writable for the default login pi
/usr/bin/sudo /bin/mount -t vfat -o uid=pi,gid=pi /dev/sda /mnt/usb/
To create a 512M file on the USB storage and use it as swap:
# create an empty swapfile /bin/dd if=/dev/zero of=/mnt/usb/swapfile bs=1M count=512 # create a loop device /usr/bin/sudo /sbin/losetup /dev/loop0 /mnt/usb/swapfile # setup swap area /usr/bin/sudo /sbin/mkswap /dev/loop0 # enable the swap /usr/bin/sudo /sbin/swapon /dev/loop0
To remove the swap:
# disable swap /usr/bin/sudo /sbin/swapoff /dev/loop0 # delete loop /usr/bin/sudo /sbin/losetup -d /dev/loop0
Umount the USB storage:
/usr/bin/sudo /bin/umount /mnt/usb/
