goto linode dashboard > node
1st, setting > shutdown watchdog > disable
second, boot into rescue mode
disclaimer: i'm not responsible for any problems with your system (but you may contact me)
mkdir /mnt/r
mount /dev/sda /mnt/r
cd /mnt/r/usr
cp tmpDSK tmpDSK2
dd if=/dev/zero bs=1MiB of=tmpDSK2 conv=notrunc oflag=append count=14024# size in MB
e2fsck -yf tmpDSK2 # make sure this works without error
resize2fs -f tmpDSK2 # and this works without error
mv tmpDSK tmpDSKori
mv tmpDSK2 tmpDSK
then, goto linode dashboard, and click on reboot
shell into system
df -h# tada!
once its working, goto linode dashboard, setting > shutdown watchdog > enable
to check for all loop0 devics
/sbin/losetup --list