有的时候,需要临时在分区上临时创建交换空间
1:查看当前的swap
pengly@pengly-desktop:~$ swapon -s
Filename Type Size Used Priority
/dev/sda5 partition 1494004 11068 -1
2:建立swap
pengly@pengly-desktop:~$ dd if=/dev/zero of=./swapfile bs=1M count=10
10+0 records in
10+0 records out
10485760 bytes (10 MB) copied, 0.0644955 s, 163 MB/s
pengly@pengly-desktop:~$ mkswap ./swapfile
Setting up swapspace version 1, size = 10236 KiB
no label, UUID=9ec46a09-1b5c-48b5-9381-85956b616e8f
3:加载swap
pengly@pengly-desktop:~$ sudo swapon ./swapfile
4:查看系统当前swap
pengly@pengly-desktop:~$ swapon -s
Filename Type Size Used Priority
/dev/sda5 partition 1494004 11068 -1
/home/pengly/swapfile file 10232 0 -2
5:关闭swap
pengly@pengly-desktop:~$ sudo swapoff swapfile
pengly@pengly-desktop:~$ swapon -s
Filename Type Size Used Priority
/dev/sda5 partition 1494004 11068 -1