| #!/bin/bash | |
| if [ $# -lt 1 ]; then | |
| echo "Usage: create-swap <amount of MB>" | |
| exit 1 | |
| fi | |
| if [ -e /mnt/swap ]; then | |
| echo "/mnt/swap already exists" >&2 | |
| exit 1 | |
| fi | |
| SWAP_MB=$1 | |
| if [[ "$SWAP_MB" != "0" ]] ; then | |
| dd if=/dev/zero of=/mnt/swap bs=1M count=$SWAP_MB | |
| mkswap /mnt/swap | |
| swapon /mnt/swap | |
| echo "Added $SWAP_MB MB swap file /mnt/swap" | |
| fi |