Swap is space on a disk that is reserved to be used as virtual memory. A swap partition is not present on Cloud Servers by default, but swap can be added to a server by allocating a swap file.

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We have already discussed about use of swap space and the amount of swap size. To increasing swap size have used dd command and swap partition.

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On the previous post we have created swap space using dd command and also another method is can make a new swap partition using fdisk.

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Normally the swap space partitioned twice of RAM space, for example if your system RAM space is 2048 MB and swap space is 4096 MB.

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