#创建swapmkswap /dev/vda5
#编辑fstab
vi /etc/fstab
#增加如下行
/dev/vda5 none swap sw 0 0
#挂载swap
mount -a
swapon -a
#查看状态top
#状态可能显示如下，最后一行为新挂载的swap
top – 22:17:59 up 23:48, 1 user, load average: 0.00, 0.01, 0.05Tasks: 75 total, 1 running, 71 sleeping, 3 stopped, 0 zombieCpu(s): 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%stMem: 1019536k total, 455332k used, 564204k free, 62388k buffersSwap: 1045500k total, 0k used, 1045500k free, 187772k cached
，发光并非太阳的专利，你也可以发光
