DanBrother的部落格

# checking existing swap space:
swapon -s

# checking free space available
df -h

# Create a supplementary swap file with the size of 8G Bytes
dd if=/dev/zero of=/extraswap bs=1M count=8192

mkswap /extraswap

# turn on the swap file
swapon /extraswap

# add the entry to the /etc/fstab
/extraswap swap swap default 0  0