{"id":350,"date":"2010-07-08T06:20:24","date_gmt":"2010-07-08T12:20:25","guid":{"rendered":"http:\/\/blog.supportpro.com\/?p=350"},"modified":"2026-02-23T03:40:08","modified_gmt":"2026-02-23T09:40:08","slug":"how-to-stop-core-file-generation","status":"publish","type":"post","link":"https:\/\/www.supportpro.com\/blog\/how-to-stop-core-file-generation\/","title":{"rendered":"How to Disable Apache Core Dumps and Stop Core Files from Filling Disk Space"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">A <strong>core file<\/strong> (core dump) is a memory snapshot of a running process at the time it crashes or is forcefully terminated.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When a PHP process is killed (due to memory limits, segmentation faults, or fatal errors), <strong>Apache HTTP Server<\/strong> may generate core dump files under the user\u2019s account.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">These files:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Can be very large<\/li>\n\n\n\n<li>Accumulate quickly<\/li>\n\n\n\n<li>Consume significant disk space<\/li>\n\n\n\n<li>Are rarely needed on production servers<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">In most shared or VPS hosting environments, it is safe to disable core dumps unless you are actively debugging crashes.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Why Core Files Are Created<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Core dumps are typically generated when:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A PHP process crashes<\/li>\n\n\n\n<li>Memory limits are exceeded<\/li>\n\n\n\n<li>A segmentation fault occurs<\/li>\n\n\n\n<li>A module misbehaves<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">On servers running <strong>PHP<\/strong> with Apache, these dumps may appear in:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/home\/username\/<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">or sometimes in:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/var\/www\/<\/code><\/pre>\n\n\n\n<h1 class=\"wp-block-heading\">Are Core Files Safe to Delete?<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Yes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you are not debugging crashes, core files:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Are not required for normal operation<\/li>\n\n\n\n<li>Can be safely deleted<\/li>\n\n\n\n<li>Will not affect Apache or PHP functionality<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">How to Disable Core Dumps in Apache<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">To prevent Apache from generating core files, you can modify the startup configuration to disable core dumps using <code>ulimit<\/code>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Step 1: Edit the Apache Startup File<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Open the Apache init script:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>vi \/etc\/init.d\/httpd<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">(Depending on your system, this may also be located at:)<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/etc\/systemd\/system\/httpd.service<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">or<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/usr\/lib\/systemd\/system\/httpd.service<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Step 2: Locate Existing <code>ulimit<\/code> Directives<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Search for lines such as:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ulimit -n 1024<br>ulimit -n 4096<br>ulimit -n 8192<br>ulimit -n 16384<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">These lines define the maximum number of open file descriptors.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Step 3: Add Core Dump Limit Directive<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Below the existing <code>ulimit -n<\/code> line, add:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ulimit -c 0<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Example:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ulimit -n 16384<br>ulimit -c 0<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">What This Does<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>-c<\/code> controls the core file size limit<\/li>\n\n\n\n<li>Setting it to <code>0<\/code> disables core dump generation<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Step 4: Save and Exit<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In <code>vi<\/code>:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ESC \u2192 :wq \u2192 Enter<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Step 5: Restart Apache<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Restart the service for changes to take effect:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>service httpd restart<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">or on systemd systems:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>systemctl restart httpd<\/code><\/pre>\n\n\n\n<h1 class=\"wp-block-heading\">Important Notes for Modern Systems (Systemd-Based Servers)<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">On newer Linux distributions (CentOS 7+, AlmaLinux, Rocky Linux), Apache runs under <strong>systemd<\/strong>, and modifying <code>\/etc\/init.d\/httpd<\/code> may not work.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In that case, use:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>systemctl edit httpd<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Add:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;Service]<br>LimitCORE=0<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Then reload and restart:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>systemctl daemon-reload<br>systemctl restart httpd<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">This is the recommended method on modern systems.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">How to Remove Existing Core Files<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">To find large core files:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>find \/home -type f -name \"core*\" -size +50M<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">To delete them:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>rm -f \/home\/username\/core.*<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Always verify before mass deletion.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">When You Should NOT Disable Core Dumps<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Keep core dumps enabled if:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>You are debugging segmentation faults<\/li>\n\n\n\n<li>A developer is investigating crashes<\/li>\n\n\n\n<li>You are performing advanced diagnostics<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Core dumps are useful for deep debugging using tools like <code>gdb<\/code>.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Conclusion<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Core dump files created by Apache and PHP can consume large amounts of disk space and are usually unnecessary in production environments.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">By setting:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">ulimit -c 0<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">you can safely disable core file generation and prevent disk space issues.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">On modern Linux systems, using <code>LimitCORE=0<\/code> via systemd is the preferred approach.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you require help, <a href=\"https:\/\/www.supportpro.com\/requestquote.php\">contact SupportPRO Server Admin<\/a><\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><span id=\"hs-cta-wrapper-9d590242-d641-4383-94b4-8cfd62f0af6b\" class=\"hs-cta-wrapper\"><span id=\"hs-cta-9d590242-d641-4383-94b4-8cfd62f0af6b\" class=\"hs-cta-node hs-cta-9d590242-d641-4383-94b4-8cfd62f0af6b\"><a href=\"https:\/\/cta-redirect.hubspot.com\/cta\/redirect\/2725694\/9d590242-d641-4383-94b4-8cfd62f0af6b\"><img decoding=\"async\" id=\"hs-cta-img-9d590242-d641-4383-94b4-8cfd62f0af6b\" class=\"hs-cta-img\" style=\"border-width: 0px;\" src=\"https:\/\/no-cache.hubspot.com\/cta\/default\/2725694\/9d590242-d641-4383-94b4-8cfd62f0af6b.png\" alt=\"Server not running properly? Get A FREE Server Checkup By Expert Server Admins - $125 Value\"><\/a><\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A core file (core dump) is a memory snapshot of a running process at the time it crashes or is forcefully terminated. When a PHP process is killed (due to&hellip;<\/p>\n","protected":false},"author":4,"featured_media":15616,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-350","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-miscellaneous"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 4.9.9 - aioseo.com -->\n\t<meta name=\"description\" content=\"Learn how to disable Apache core dumps, stop PHP core files from filling disk space, and prevent large core.* files using ulimit -c 0 or systemd LimitCORE.\" \/>\n\t<meta name=\"robots\" content=\"max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n\t<meta name=\"author\" content=\"SupportPRO Admin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.supportpro.com\/blog\/how-to-stop-core-file-generation\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO Pro (AIOSEO) 4.9.9\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Server Management Tips | SupportPRO Blog\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"How to Disable Core Dumps in Apache &amp; Stop Core Files\" \/>\n\t\t<meta property=\"og:description\" content=\"Learn how to disable Apache core dumps, stop PHP core files from filling disk space, and prevent large core.* files using ulimit -c 0 or systemd LimitCORE.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/www.supportpro.com\/blog\/how-to-stop-core-file-generation\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/www.supportpro.com\/blog\/wp-content\/uploads\/2010\/07\/filerenaming-e1771839588466.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/www.supportpro.com\/blog\/wp-content\/uploads\/2010\/07\/filerenaming-e1771839588466.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t\t<meta property=\"og:image:height\" content=\"666\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2010-07-08T12:20:25+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-02-23T09:40:08+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary\" \/>\n\t\t<meta name=\"twitter:title\" content=\"How to Disable Core Dumps in Apache &amp; Stop Core Files\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Learn how to disable Apache core dumps, stop PHP core files from filling disk space, and prevent large core.* files using ulimit -c 0 or systemd LimitCORE.\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/www.supportpro.com\/blog\/wp-content\/uploads\/2010\/07\/filerenaming-e1771839588466.jpg\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/how-to-stop-core-file-generation\\\/#article\",\"name\":\"How to Disable Core Dumps in Apache & Stop Core Files\",\"headline\":\"How to Disable Apache Core Dumps and Stop Core Files from Filling Disk Space\",\"author\":{\"@id\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/author\\\/managementadmin\\\/#author\"},\"publisher\":{\"@id\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/#organization\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/wp-content\\\/uploads\\\/2010\\\/07\\\/filerenaming-e1771839588466.jpg\",\"width\":1024,\"height\":666,\"caption\":\"a black monitor showing a Linux server terminal open with the Apache startup file\"},\"datePublished\":\"2010-07-08T06:20:24-06:00\",\"dateModified\":\"2026-02-23T03:40:08-06:00\",\"inLanguage\":\"en-US\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/how-to-stop-core-file-generation\\\/#webpage\"},\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/how-to-stop-core-file-generation\\\/#webpage\"},\"articleSection\":\"Miscellaneous\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/how-to-stop-core-file-generation\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.supportpro.com\\\/blog#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.supportpro.com\\\/blog\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/category\\\/miscellaneous\\\/#listItem\",\"name\":\"Miscellaneous\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/category\\\/miscellaneous\\\/#listItem\",\"position\":2,\"name\":\"Miscellaneous\",\"item\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/category\\\/miscellaneous\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/how-to-stop-core-file-generation\\\/#listItem\",\"name\":\"How to Disable Apache Core Dumps and Stop Core Files from Filling Disk Space\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.supportpro.com\\\/blog#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/how-to-stop-core-file-generation\\\/#listItem\",\"position\":3,\"name\":\"How to Disable Apache Core Dumps and Stop Core Files from Filling Disk Space\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/category\\\/miscellaneous\\\/#listItem\",\"name\":\"Miscellaneous\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/#organization\",\"name\":\"SupportPRO\",\"description\":\"SupportPRO Blog\",\"url\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/\",\"telephone\":\"+18476076123\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/author\\\/managementadmin\\\/#author\",\"url\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/author\\\/managementadmin\\\/\",\"name\":\"SupportPRO Admin\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/how-to-stop-core-file-generation\\\/#authorImage\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/13d2f63048d631e03a432375448be5eb7861069df4fef10f0cb1c7b36554c225?s=96&d=mm&r=g\",\"width\":96,\"height\":96,\"caption\":\"SupportPRO Admin\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/how-to-stop-core-file-generation\\\/#webpage\",\"url\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/how-to-stop-core-file-generation\\\/\",\"name\":\"How to Disable Core Dumps in Apache & Stop Core Files\",\"description\":\"Learn how to disable Apache core dumps, stop PHP core files from filling disk space, and prevent large core.* files using ulimit -c 0 or systemd LimitCORE.\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/how-to-stop-core-file-generation\\\/#breadcrumblist\"},\"author\":{\"@id\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/author\\\/managementadmin\\\/#author\"},\"creator\":{\"@id\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/author\\\/managementadmin\\\/#author\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/wp-content\\\/uploads\\\/2010\\\/07\\\/filerenaming-e1771839588466.jpg\",\"@id\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/how-to-stop-core-file-generation\\\/#mainImage\",\"width\":1024,\"height\":666,\"caption\":\"a black monitor showing a Linux server terminal open with the Apache startup file\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/how-to-stop-core-file-generation\\\/#mainImage\"},\"datePublished\":\"2010-07-08T06:20:24-06:00\",\"dateModified\":\"2026-02-23T03:40:08-06:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/\",\"name\":\"Server Management Tips\",\"description\":\"SupportPRO Blog\",\"inLanguage\":\"en-US\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.supportpro.com\\\/blog\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO Pro -->\r\n\t\t<title>How to Disable Core Dumps in Apache &amp; Stop Core Files<\/title>\n\n","aioseo_head_json":{"title":"How to Disable Core Dumps in Apache & Stop Core Files","description":"Learn how to disable Apache core dumps, stop PHP core files from filling disk space, and prevent large core.* files using ulimit -c 0 or systemd LimitCORE.","canonical_url":"https:\/\/www.supportpro.com\/blog\/how-to-stop-core-file-generation\/","robots":"max-snippet:-1, max-image-preview:large, max-video-preview:-1","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.supportpro.com\/blog\/how-to-stop-core-file-generation\/#article","name":"How to Disable Core Dumps in Apache & Stop Core Files","headline":"How to Disable Apache Core Dumps and Stop Core Files from Filling Disk Space","author":{"@id":"https:\/\/www.supportpro.com\/blog\/author\/managementadmin\/#author"},"publisher":{"@id":"https:\/\/www.supportpro.com\/blog\/#organization"},"image":{"@type":"ImageObject","url":"https:\/\/www.supportpro.com\/blog\/wp-content\/uploads\/2010\/07\/filerenaming-e1771839588466.jpg","width":1024,"height":666,"caption":"a black monitor showing a Linux server terminal open with the Apache startup file"},"datePublished":"2010-07-08T06:20:24-06:00","dateModified":"2026-02-23T03:40:08-06:00","inLanguage":"en-US","mainEntityOfPage":{"@id":"https:\/\/www.supportpro.com\/blog\/how-to-stop-core-file-generation\/#webpage"},"isPartOf":{"@id":"https:\/\/www.supportpro.com\/blog\/how-to-stop-core-file-generation\/#webpage"},"articleSection":"Miscellaneous"},{"@type":"BreadcrumbList","@id":"https:\/\/www.supportpro.com\/blog\/how-to-stop-core-file-generation\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/www.supportpro.com\/blog#listItem","position":1,"name":"Home","item":"https:\/\/www.supportpro.com\/blog","nextItem":{"@type":"ListItem","@id":"https:\/\/www.supportpro.com\/blog\/category\/miscellaneous\/#listItem","name":"Miscellaneous"}},{"@type":"ListItem","@id":"https:\/\/www.supportpro.com\/blog\/category\/miscellaneous\/#listItem","position":2,"name":"Miscellaneous","item":"https:\/\/www.supportpro.com\/blog\/category\/miscellaneous\/","nextItem":{"@type":"ListItem","@id":"https:\/\/www.supportpro.com\/blog\/how-to-stop-core-file-generation\/#listItem","name":"How to Disable Apache Core Dumps and Stop Core Files from Filling Disk Space"},"previousItem":{"@type":"ListItem","@id":"https:\/\/www.supportpro.com\/blog#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/www.supportpro.com\/blog\/how-to-stop-core-file-generation\/#listItem","position":3,"name":"How to Disable Apache Core Dumps and Stop Core Files from Filling Disk Space","previousItem":{"@type":"ListItem","@id":"https:\/\/www.supportpro.com\/blog\/category\/miscellaneous\/#listItem","name":"Miscellaneous"}}]},{"@type":"Organization","@id":"https:\/\/www.supportpro.com\/blog\/#organization","name":"SupportPRO","description":"SupportPRO Blog","url":"https:\/\/www.supportpro.com\/blog\/","telephone":"+18476076123"},{"@type":"Person","@id":"https:\/\/www.supportpro.com\/blog\/author\/managementadmin\/#author","url":"https:\/\/www.supportpro.com\/blog\/author\/managementadmin\/","name":"SupportPRO Admin","image":{"@type":"ImageObject","@id":"https:\/\/www.supportpro.com\/blog\/how-to-stop-core-file-generation\/#authorImage","url":"https:\/\/secure.gravatar.com\/avatar\/13d2f63048d631e03a432375448be5eb7861069df4fef10f0cb1c7b36554c225?s=96&d=mm&r=g","width":96,"height":96,"caption":"SupportPRO Admin"}},{"@type":"WebPage","@id":"https:\/\/www.supportpro.com\/blog\/how-to-stop-core-file-generation\/#webpage","url":"https:\/\/www.supportpro.com\/blog\/how-to-stop-core-file-generation\/","name":"How to Disable Core Dumps in Apache & Stop Core Files","description":"Learn how to disable Apache core dumps, stop PHP core files from filling disk space, and prevent large core.* files using ulimit -c 0 or systemd LimitCORE.","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/www.supportpro.com\/blog\/#website"},"breadcrumb":{"@id":"https:\/\/www.supportpro.com\/blog\/how-to-stop-core-file-generation\/#breadcrumblist"},"author":{"@id":"https:\/\/www.supportpro.com\/blog\/author\/managementadmin\/#author"},"creator":{"@id":"https:\/\/www.supportpro.com\/blog\/author\/managementadmin\/#author"},"image":{"@type":"ImageObject","url":"https:\/\/www.supportpro.com\/blog\/wp-content\/uploads\/2010\/07\/filerenaming-e1771839588466.jpg","@id":"https:\/\/www.supportpro.com\/blog\/how-to-stop-core-file-generation\/#mainImage","width":1024,"height":666,"caption":"a black monitor showing a Linux server terminal open with the Apache startup file"},"primaryImageOfPage":{"@id":"https:\/\/www.supportpro.com\/blog\/how-to-stop-core-file-generation\/#mainImage"},"datePublished":"2010-07-08T06:20:24-06:00","dateModified":"2026-02-23T03:40:08-06:00"},{"@type":"WebSite","@id":"https:\/\/www.supportpro.com\/blog\/#website","url":"https:\/\/www.supportpro.com\/blog\/","name":"Server Management Tips","description":"SupportPRO Blog","inLanguage":"en-US","publisher":{"@id":"https:\/\/www.supportpro.com\/blog\/#organization"}}]},"og:locale":"en_US","og:site_name":"Server Management Tips | SupportPRO Blog","og:type":"article","og:title":"How to Disable Core Dumps in Apache &amp; Stop Core Files","og:description":"Learn how to disable Apache core dumps, stop PHP core files from filling disk space, and prevent large core.* files using ulimit -c 0 or systemd LimitCORE.","og:url":"https:\/\/www.supportpro.com\/blog\/how-to-stop-core-file-generation\/","og:image":"https:\/\/www.supportpro.com\/blog\/wp-content\/uploads\/2010\/07\/filerenaming-e1771839588466.jpg","og:image:secure_url":"https:\/\/www.supportpro.com\/blog\/wp-content\/uploads\/2010\/07\/filerenaming-e1771839588466.jpg","og:image:width":1024,"og:image:height":666,"article:published_time":"2010-07-08T12:20:25+00:00","article:modified_time":"2026-02-23T09:40:08+00:00","twitter:card":"summary","twitter:title":"How to Disable Core Dumps in Apache &amp; Stop Core Files","twitter:description":"Learn how to disable Apache core dumps, stop PHP core files from filling disk space, and prevent large core.* files using ulimit -c 0 or systemd LimitCORE.","twitter:image":"https:\/\/www.supportpro.com\/blog\/wp-content\/uploads\/2010\/07\/filerenaming-e1771839588466.jpg"},"aioseo_meta_data":{"post_id":"350","title":"How to Disable Core Dumps in Apache &amp; Stop Core Files","description":"Learn how to disable Apache core dumps, stop PHP core files from filling disk space, and prevent large core.* files using ulimit -c 0 or systemd LimitCORE.","keywords":null,"keyphrases":{"focus":{"keyphrase":"","score":0,"analysis":{"keyphraseInTitle":{"score":0,"maxScore":9,"error":1}}},"additional":[]},"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":"","og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"Article","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":"-1","robots_max_videopreview":"-1","robots_max_imagepreview":"large","priority":null,"frequency":"default","local_seo":null,"seo_analyzer_scan_date":"2026-02-23 09:40:12","breadcrumb_settings":null,"limit_modified_date":false,"open_ai":null,"ai":{"faqs":[],"keyPoints":[],"titles":[],"descriptions":[],"socialPosts":{"email":[],"linkedin":[],"twitter":[],"facebook":[],"instagram":[]}},"created":"2021-12-10 16:09:08","updated":"2026-06-30 23:05:18"},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t<a href=\"https:\/\/www.supportpro.com\/blog\" title=\"Home\">Home<\/a>\n<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t<a href=\"https:\/\/www.supportpro.com\/blog\/category\/miscellaneous\/\" title=\"Miscellaneous\">Miscellaneous<\/a>\n<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\tHow to Disable Apache Core Dumps and Stop Core Files from Filling Disk Space\n<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/www.supportpro.com\/blog"},{"label":"Miscellaneous","link":"https:\/\/www.supportpro.com\/blog\/category\/miscellaneous\/"},{"label":"How to Disable Apache Core Dumps and Stop Core Files from Filling Disk Space","link":"https:\/\/www.supportpro.com\/blog\/how-to-stop-core-file-generation\/"}],"_links":{"self":[{"href":"https:\/\/www.supportpro.com\/blog\/wp-json\/wp\/v2\/posts\/350","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.supportpro.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.supportpro.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.supportpro.com\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.supportpro.com\/blog\/wp-json\/wp\/v2\/comments?post=350"}],"version-history":[{"count":2,"href":"https:\/\/www.supportpro.com\/blog\/wp-json\/wp\/v2\/posts\/350\/revisions"}],"predecessor-version":[{"id":15617,"href":"https:\/\/www.supportpro.com\/blog\/wp-json\/wp\/v2\/posts\/350\/revisions\/15617"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.supportpro.com\/blog\/wp-json\/wp\/v2\/media\/15616"}],"wp:attachment":[{"href":"https:\/\/www.supportpro.com\/blog\/wp-json\/wp\/v2\/media?parent=350"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.supportpro.com\/blog\/wp-json\/wp\/v2\/categories?post=350"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.supportpro.com\/blog\/wp-json\/wp\/v2\/tags?post=350"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}