VPS上にswapを設置出来るか試みてみる †

# dd if=/dev/zero of=/home/swapfile bs=1024k count=512
512+0 records in
512+0 records out
536870912 bytes (537 MB) copied, 1.52146 seconds, 353 MB/s

# mkswap /home/swapfile
 Setting up swapspace version 1, size = 536866 kB

# swapon /home/swapfile
 swapon: /home/swapfile: Operation not permitted

# losetup /dev/loop0 /home/swapfile
 /dev/loop0: Permission denied

設置出来ない。