How to increase swap files when digital ocean memory is low

Bought a relatively low-provisioned Digitalocean cloud host, in the execution of the composer update when the memory shortage problem, but the memory size is fixed, unless the money, there are other ways?

Yes, increase the swap partition so that you can compensate for the problem of insufficient memory, and use this method to successfully solve the composer update memory shortage problem.

For specific operations, refer to the following article for steps:

Recommended articles:

How to Add Swap on Ubuntu 14.04

The main use of swapon this command, but also introduced the relevant inspection methods, very meticulous, it is worth reading.

Here is another article, not better than the method of the previous article, you can read.

How to Configure Virtual Memory (Swap File) on a VPS

How to increase swap files when digital ocean memory is low