创建交换分区
创建swap
free -m
total used free shared buffers cached
Mem: 2048 357 1690 0 0 237-/+ buffers/cache: 119 1928
Swap: 0 0 0
/bin/dd if=/dev/zero of=/var/swap.1 bs=1M count=1024
/sbin/mkswap /var/swap.1
/sbin/swapon /var/swap.1
vi /etc/fstab
/var/swapfile swap swap defaults 0 0