phpのcomposer updateをしようと思ったらエラーが出てしまった。 ]$ composer update Loading composer repositories with package information Updating dependencies (including require-dev) Package operations: 4 installs, 5 updates, 0 removals - Updating paragonie/random_compat (v2.0.15 => v2.0.17): The following exception is caused by a lack of memory or swap, or not having swap configured Check https://getcomposer.org/doc/ar