Program which we will use is the 'dd', which serves to convert and double (duplicate) a file.
#free
total used free shared buffers cached
Mem: 255828 207108 48720 0 7428 112220
-/+ buffers/cache: 87460 168368
Swap: 562232 112408 449824
This time we will add a swap file of 500 Mb.
#dd if=/dev/zero of=/swapbaru bs=1024 count=512000
512000+0 records in
512000+0 records out
if=/dev/zero, /dev/zero sebagai file input
of=/swapbaru, write file output ke /swapbaru
ibs=1024, ibs of 1024
count=512000, only 512Mb meng'copy block for input
#mkswap /swapbaru
Setting up swapspace version 1, size = 524283 kB
#swapon /swapbaru
If we want to use these additional swap automatically add the following line in /etc/fstab.
/swapbaru none swap sw 0 0
See the size of the swap after adding the file /swapbaru
#free -o
total used free shared buffers cached
Mem: 255828 208640 47188 0 7816 112220
Swap: 1074224 112408 961816
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