本文由composer教程栏目给大家介绍关于执行composer require 一会儿就提示“已杀死”问题，希望对需要的朋友有所帮助！
具体问题：
执行composer require 一会儿就提示“已杀死”
composer require voku/simple_html_dom -vvvReading ./composer.jsonLoading config file ./composer.jsonChecked CA file /etc/pki/tls/certs/ca-bundle.crt: validFailed to initialize global composer: Composer could not find the config file: /home/admin/.composer/composer.jsonTo initialize a project, please create a composer.json file as described in the https://getcomposer.org/ "Getting Started" sectionReading /home/wwwroot/vendor/composer/installed.jsonLoading plugin EasyWeChatComposerPluginLoading plugin thinkcomposerPluginRunning 1.7.2 (2018-08-16 16:57:12) with PHP 7.1.18 on Linux / 2.6.32-696.16.1.el6.x86_64Downloading https://repo.packagist.org/packages.jsonWriting /home/admin/.composer/cache/repo/https---repo.packagist.org/packages.json into cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/p-provider-2013.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/p-provider-2014.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/p-provider-2015.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/p-provider-2016.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/p-provider-2017.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/p-provider-2018.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/p-provider-2019-01.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/p-provider-2019-04.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/p-provider-2019-07.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/p-provider-2019-10.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/p-provider-archived.json from cacheDownloading http://repo.packagist.org/p/provider-latest%24502b160e3dcbe13f8c125df618d18632ebbad2402f1e07d96e00bf46c3da14ac.jsonWriting /home/admin/.composer/cache/repo/https---repo.packagist.org/p-provider-latest.json into cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/provider-voku$simple-html-dom.json from cacheUsing version ^4.7 for voku/simple_html_dom./composer.json has been updatedReading ./composer.jsonLoading config file ./composer.jsonFailed to initialize global composer: Composer could not find the config file: /home/admin/.composer/composer.jsonTo initialize a project, please create a composer.json file as described in the https://getcomposer.org/ "Getting Started" sectionReading /home/wwwroot/vendor/composer/installed.jsonLoading plugin EasyWeChatComposerPlugin_composer_tmp0Loading plugin thinkcomposerPlugin_composer_tmp1Reading ./composer.lockLoading composer repositories with package informationDownloading https://repo.packagist.org/packages.jsonWriting /home/admin/.composer/cache/repo/https---repo.packagist.org/packages.json into cacheUpdating dependencies (including require-dev)Reading /home/admin/.composer/cache/repo/https---repo.packagist.org/p-provider-2013.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/p-provider-2014.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/p-provider-2015.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/p-provider-2016.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/p-provider-2017.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/p-provider-2018.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/p-provider-2019-01.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/p-provider-2019-04.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/p-provider-2019-07.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/p-provider-2019-10.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/p-provider-archived.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/p-provider-latest.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/provider-adbario$php-dot-notation.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/provider-clagiordano$weblibs-configmanager.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/provider-danielstjules$stringy.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/provider-guzzlehttp$guzzle.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/provider-mtdowling$jmespath.php.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/provider-alibabacloud$client.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/provider-symfony$polyfill-mbstring.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/provider-guzzlehttp$psr7.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/provider-guzzlehttp$promises.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/provider-psr$http-message.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/provider-ralouphie$getallheaders.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/provider-aliyuncs$oss-sdk-php.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/provider-doctrine$cache.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/provider-easywechat-composer$easywechat-composer.json from cacheReading /home/admin/.composer/cache/repo/https---repo.packagist.org/provider-symfony$options-resolver.json from cache
解决办法：
一般是内存不足导致进程被杀死。
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没办法增大物理内存的话可以考虑扩容 swap 分区。
参考如下：
composer 安装或者更新时报错killed ，因为当前内存不足。
free -mmkdir -p /var/_swap_cd /var/_swap_#Here, 1M * 2000 ~= 2GB of swap memorydd if=/dev/zero of=swapfile bs=1M count=2000mkswap swapfileswapon swapfileecho “/var/_swap_/swapfile none swap sw 0 0” >> /etc/fstab#cat /proc/meminfofree -m
以上就是composer执行命令提示“已杀死”是什么情况？的详细内容，更多请关注创想鸟其它相关文章！
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