Composer proc_open(): fork failed - Cannot allocate memory

Posted August 3, 2020 4.9k views
PHPUbuntu 18.04Laravel

Trying to run composer update I get the following error and cannot find a solution:
proc_open(): fork failed - Cannot allocate memory

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1 answer

Hi @thetoad01,

It seems your Memory runs out when using composer. Firstly, make sure you have SWAP enabled on your Droplet. To add SWAP to your droplet, I’ll recommend checking out the following DigitalOcean tutorial:

This should help you resolve the issues you are experiencing with Composer and even other Processes that use up your RAM.


by Brian Boucheron
One of the easiest way of guarding against out-of-memory errors in applications is to add some swap space to your server. In this guide, we will cover how to add a swap file to an Ubuntu 18.04 server.