{"id":21742,"date":"2026-09-28T08:40:00","date_gmt":"2026-09-28T06:40:00","guid":{"rendered":"https:\/\/webhosting.de\/?p=21742"},"modified":"2026-09-27T22:17:50","modified_gmt":"2026-09-27T20:17:50","slug":"cloudlinux-os-9-shared-hosting-features","status":"publish","type":"post","link":"https:\/\/webhosting.de\/en\/cloudlinux-os-9-shared-hosting-funktionen\/","title":{"rendered":"CloudLinux OS 9: Features and Limitations in Shared Hosting"},"content":{"rendered":"<div class=\"wh-article\" data-wh-layout=\"2.1.2\" style=\"width:100%;max-width:820px;margin:0 auto;color:#263b4b;font-family:inherit;font-size:18px;line-height:1.8;text-align:start;overflow-wrap:break-word;box-sizing:border-box\"><p class=\"wh-lead\" style=\"font-size:20px;line-height:1.7;color:#233746;margin:0 0 1.1em\">CloudLinux OS 9 primarily provides shared hosting with an up-to-date operating system based on AlmaLinux 9. <strong style=\"font-weight:700;color:inherit\">The practical benefit does not come from the version number alone<\/strong>, but rather through the interaction of the license, LVE limits, CageFS, PHP management, database control, and the control panel. Anyone planning to use or currently running OS 9 should clearly distinguish Shared Pro, optional components, and beta features\u2014such as domain limits\u2014from the core features of the respective edition.  <\/p>\n<nav class=\"wh-toc\" aria-label=\"Contents of this article\" style=\"display:block;margin:28px 0 38px;padding:22px;border:1px solid #d9e4e8;border-radius:14px;background:#f4f8f8\"><p class=\"wh-toc-title\" style=\"font-size:13px;font-weight:700;letter-spacing:.08em;color:#49656b;margin:0 0 14px\">Go directly to the section<\/p><div class=\"wh-toc-grid\" style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:10px\"><div class=\"wh-toc-item\" style=\"display:block;min-width:0;margin:0;padding:0\"><a class=\"wh-toc-link\" href=\"#os9-basis\" style=\"display:block;height:100%;padding:12px 15px;border:1px solid #dce6e8;border-radius:9px;background:#fff;color:#18575b;font-size:14px;line-height:1.5;font-weight:600;text-decoration:none;box-sizing:border-box\">Putting CloudLinux OS 9 in Perspective<\/a><\/div>\n<div class=\"wh-toc-item\" style=\"display:block;min-width:0;margin:0;padding:0\"><a class=\"wh-toc-link\" href=\"#editionen-lizenzen\" style=\"display:block;height:100%;padding:12px 15px;border:1px solid #dce6e8;border-radius:9px;background:#fff;color:#18575b;font-size:14px;line-height:1.5;font-weight:600;text-decoration:none;box-sizing:border-box\">Clearly Distinguish Between Editions and Licenses<\/a><\/div>\n<div class=\"wh-toc-item\" style=\"display:block;min-width:0;margin:0;padding:0\"><a class=\"wh-toc-link\" href=\"#isolation-limits\" style=\"display:block;height:100%;padding:12px 15px;border:1px solid #dce6e8;border-radius:9px;background:#fff;color:#18575b;font-size:14px;line-height:1.5;font-weight:600;text-decoration:none;box-sizing:border-box\">Isolation and Limits in Shared Hosting<\/a><\/div>\n<div class=\"wh-toc-item\" style=\"display:block;min-width:0;margin:0;padding:0\"><a class=\"wh-toc-link\" href=\"#funktionsmatrix\" style=\"display:block;height:100%;padding:12px 15px;border:1px solid #dce6e8;border-radius:9px;background:#fff;color:#18575b;font-size:14px;line-height:1.5;font-weight:600;text-decoration:none;box-sizing:border-box\">Select Components Based on Application<\/a><\/div>\n<div class=\"wh-toc-item\" style=\"display:block;min-width:0;margin:0;padding:0\"><a class=\"wh-toc-link\" href=\"#konfiguration-praxis\" style=\"display:block;height:100%;padding:12px 15px;border:1px solid #dce6e8;border-radius:9px;background:#fff;color:#18575b;font-size:14px;line-height:1.5;font-weight:600;text-decoration:none;box-sizing:border-box\">Practical Planning for Limits and PHP Management<\/a><\/div>\n<div class=\"wh-toc-item\" style=\"display:block;min-width:0;margin:0;padding:0\"><a class=\"wh-toc-link\" href=\"#isolates-domains\" style=\"display:block;height:100%;padding:12px 15px;border:1px solid #dce6e8;border-radius:9px;background:#fff;color:#18575b;font-size:14px;line-height:1.5;font-weight:600;text-decoration:none;box-sizing:border-box\">Isolate multiple websites per account<\/a><\/div>\n<div class=\"wh-toc-item\" style=\"display:block;min-width:0;margin:0;padding:0\"><a class=\"wh-toc-link\" href=\"#migration-os9\" style=\"display:block;height:100%;padding:12px 15px;border:1px solid #dce6e8;border-radius:9px;background:#fff;color:#18575b;font-size:14px;line-height:1.5;font-weight:600;text-decoration:none;box-sizing:border-box\">Preparing for Migration to OS 9<\/a><\/div>\n<div class=\"wh-toc-item\" style=\"display:block;min-width:0;margin:0;padding:0\"><a class=\"wh-toc-link\" href=\"#pruefen-monitoren\" style=\"display:block;height:100%;padding:12px 15px;border:1px solid #dce6e8;border-radius:9px;background:#fff;color:#18575b;font-size:14px;line-height:1.5;font-weight:600;text-decoration:none;box-sizing:border-box\">Check Packages, Kernels, and Faults<\/a><\/div>\n<div class=\"wh-toc-item\" style=\"display:block;min-width:0;margin:0;padding:0\"><a class=\"wh-toc-link\" href=\"#entscheidungen-fehler\" style=\"display:block;height:100%;padding:12px 15px;border:1px solid #dce6e8;border-radius:9px;background:#fff;color:#18575b;font-size:14px;line-height:1.5;font-weight:600;text-decoration:none;box-sizing:border-box\">Avoiding Common Misconceptions<\/a><\/div>\n<\/div><\/nav><section class=\"wh-section\" aria-labelledby=\"os9-basis\" style=\"display:block;margin:0 0 36px;min-width:0\"><h2 id=\"os9-basis\" style=\"margin:38px 0 18px;color:#172f41;font-size:clamp(24px,1.25rem + 1vw,30px);font-weight:700;line-height:1.3;scroll-margin-top:115px\">Putting CloudLinux OS 9 in Perspective<\/h2><p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">CloudLinux OS 9 is a generation of the operating system that continues to be documented for <strong style=\"font-weight:700;color:inherit\">shared hosting<\/strong> Based on AlmaLinux 9. However, it should not be confused with CloudLinux OS 10, which the manufacturer treats as a separate major branch. The version number alone does not describe either the scope of the license or the shared hosting components available on a specific server. <\/p>\n<p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">For classification, the <strong style=\"font-weight:700;color:inherit\">AlmaLinux Kernel<\/strong> Important: CloudLinux OS 9 no longer uses its own CloudLinux kernel; instead, it uses the AlmaLinux kernel. Therefore, a name component such as \u201eLVE\u201c in the kernel version is not a suitable criterion for assessing active resource isolation. LVE must be verified based on the installed CloudLinux components and their operational status, not based on the string in the kernel name. <\/p>\n<p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">This distinction dispels a common misconception regarding a <strong style=\"font-weight:700;color:inherit\">CloudLinux Update<\/strong>: Upgrading to OS 9 does not replace the need to check limits, CageFS, PHP handlers, or database controls. The operating system version provides the technical foundation; which features are visible to customers depends on the combination of license, packages, and control panel integration. Especially on established servers, these levels may differ from one another. <\/p>\n<p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">An optional feature for CloudLinux OS 9 is a <strong style=\"font-weight:700;color:inherit\">LTS Kernel<\/strong> Available. According to the manufacturer, it includes security fixes and fewer upstream changes than the regular AlmaLinux kernel. This may be suitable for environments with conservative change management, but it is not necessarily the better choice in all cases. Providers must weigh requirements related to hardware drivers, deployed software, maintenance processes, and the kernel strategy for their entire server infrastructure. <\/p>\n<\/section><section class=\"wh-section\" aria-labelledby=\"editionen-lizenzen\" style=\"display:block;margin:0 0 36px;min-width:0\"><h2 id=\"editionen-lizenzen\" style=\"margin:38px 0 18px;color:#172f41;font-size:clamp(24px,1.25rem + 1vw,30px);font-weight:700;line-height:1.3;scroll-margin-top:115px\">Clearly Distinguish Between Editions and Licenses<\/h2><p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">The version number CloudLinux OS 9 does not refer to either an edition or a license. For shared hosting, it is particularly important to distinguish between CloudLinux OS Legacy (formerly CloudLinux OS Shared) and CloudLinux OS Shared Pro. Legacy supports an unlimited number of hosting accounts and includes established components such as LVE, CageFS, MySQL Governor, PHP Selector, and language selectors. <\/p>\n<p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">Shared Pro should be considered separately: The edition overview assigns features such as PHP X-Ray, Centralized Monitoring, and AccelerateWP to this edition. Therefore, a cloudlinux update from OS 8 to OS 9 will not enable these features if the appropriate Pro license and the respective installation and panel requirements are not met.  <\/p>\n<p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">CloudLinux OS Admin is also not a shortened name for Shared Pro. This edition is designed for a different scope; among other things, it does not include MySQL Governor. Therefore, anyone who wants to limit database overload per hosting account should not assume that this tool is available simply because they have an existing CloudLinux installation. <\/p>\n<p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">Before confirming functionality, three questions must be answered separately: Which edition is licensed, which packages are installed, and does the existing panel support the desired component? In addition, the versions of individual packages may affect the prerequisites. A successful operating system conversion only confirms that the conversion step was completed; it does not automatically confirm that all optional modules are ready for use. <\/p>\n<\/section><section class=\"wh-section\" aria-labelledby=\"isolation-limits\" style=\"display:block;margin:0 0 36px;min-width:0\"><h2 id=\"isolation-limits\" style=\"margin:38px 0 18px;color:#172f41;font-size:clamp(24px,1.25rem + 1vw,30px);font-weight:700;line-height:1.3;scroll-margin-top:115px\">Isolation and Limits in Shared Hosting<\/h2><p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">In Shared Hosting, the following is provided: <strong style=\"font-weight:700;color:inherit\">LVE<\/strong> The task of limiting resource consumption per account. This includes, among other things, CPU, memory, input\/output operations, processes, and concurrent web accesses. If a project reaches its limits, its resource consumption should not place a disproportionate burden on other accounts. This serves as protection against excessive resource consumption, but does not automatically resolve issues with slow applications or faulty database queries. <\/p>\n<p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">For reseller plans, reseller limits supplement the account limits. They cap the combined usage of a reseller\u2019s subaccounts. Individual plans may have higher numerical limits, but the subaccounts collectively cannot exceed the overarching limit. This makes capacity and plan commitments more transparent, but requires careful planning of the overall limit. <\/p>\n<figure class=\"wp-block-image size-large wh-figure\" aria-describedby=\"wh-caption-detail1\" style=\"display:block;float:none;clear:both;width:100%;max-width:760px;margin:34px auto 40px;border:1px solid #dae5e9;border-radius:14px;overflow:hidden;background:#f5f8fa;box-shadow:0 10px 28px -17px rgba(24,47,60,.28);box-sizing:border-box\"><div class=\"wh-figure-media\" style=\"display:block;background:#eef3f5;line-height:0\"><img loading=\"lazy\" width=\"800\" height=\"534\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/09\/cloudlinux-limits-isolation-pruefen-955a8d7d-detail1-0429df2e73-1024x683.webp\" class=\"wp-image-21748\" alt=\"Close-up of a workstation used to test hosting resources and isolation\" decoding=\"async\" srcset=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/09\/cloudlinux-limits-isolation-pruefen-955a8d7d-detail1-0429df2e73-1024x683.webp 1024w, https:\/\/webhosting.de\/wp-content\/uploads\/2026\/09\/cloudlinux-limits-isolation-pruefen-955a8d7d-detail1-0429df2e73-300x200.webp 300w, https:\/\/webhosting.de\/wp-content\/uploads\/2026\/09\/cloudlinux-limits-isolation-pruefen-955a8d7d-detail1-0429df2e73-768x512.webp 768w, https:\/\/webhosting.de\/wp-content\/uploads\/2026\/09\/cloudlinux-limits-isolation-pruefen-955a8d7d-detail1-0429df2e73-18x12.webp 18w, https:\/\/webhosting.de\/wp-content\/uploads\/2026\/09\/cloudlinux-limits-isolation-pruefen-955a8d7d-detail1-0429df2e73.webp 1536w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" ><\/div><figcaption class=\"wh-caption\" id=\"wh-caption-detail1\" style=\"display:block;margin:0;padding:12px 18px 15px;border-top:1px solid #dce5e9;color:#506575;background:#f5f8fa;font-size:14px;line-height:1.55;text-align:start\">AI-generated stock image: Limits and isolation are configured to suit the specific hosting environment.<\/figcaption><\/figure><p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">CageFS has a different goal than LVE: The <strong style=\"font-weight:700;color:inherit\">File system isolation<\/strong> restricts a user's visible system environment and is intended to prevent access to files in other hosting accounts. However, it does not replace a comprehensive security architecture. On cPanel servers, for example, the vendor\u2019s documentation lists WebDAV, File Manager, Webmail, and FTP servers without proper chrooting as scenarios in which CageFS does not apply. Symlink protection and secure service configuration remain separate tasks. <\/p>\n<p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">PHP Selector allows you to select centrally shared PHP versions and extensions and requires CageFS. MySQL Governor monitors database usage by user and can limit accounts that are overloading the system; mod_lsapi, on the other hand, is a PHP handler for Apache. The components complement each other but are not interchangeable. Their availability and optimal combinations depend on the edition, web server, and configuration. <\/p>\n<p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">Panel integration requires special attention. On cPanel systems, customers should not be presented with both the PHP Selector and a competing MultiPHP selection as equivalent options, as this can lead to conflicting settings. Furthermore, not every control panel integrates every feature to the same extent. For a more in-depth explanation of account and website isolation, see the article on <a href=\"https:\/\/webhosting.de\/en\/cloudlinux-securelve-process-isolation-shared-hosting-shield\/\">SecureLVE and Process Isolation in Shared Hosting<\/a>; however, the license, documented panel support, and the specific server configuration remain the determining factors. <\/p>\n<\/section><section class=\"wh-section\" aria-labelledby=\"funktionsmatrix\" style=\"display:block;margin:0 0 36px;min-width:0\"><h2 id=\"funktionsmatrix\" style=\"margin:38px 0 18px;color:#172f41;font-size:clamp(24px,1.25rem + 1vw,30px);font-weight:700;line-height:1.3;scroll-margin-top:115px\">Select Components Based on Application<\/h2><p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">The specific business use case is what matters when making a selection, not just the \"CloudLinux OS 9\" label. The operating system, edition, license, installed packages, and control panel are separate factors to consider. Shared Pro extensions are not automatically available through an OS upgrade; the edition overview and the requirements of the respective component must be reviewed together.  <\/p>\n<div class=\"wh-table-scroll\" tabindex=\"0\" role=\"region\" aria-label=\"Classification of Key CloudLinux Components Based on Typical Shared Hosting Use Cases\" style=\"width:100%;max-width:100%;overflow-x:auto;margin:28px 0;border:1px solid #dce5e9;border-radius:14px;background:#fff;box-shadow:0 10px 28px -16px rgba(24,47,60,.32);box-sizing:border-box\"><table style=\"width:100%;min-width:580px;border-collapse:separate;border-spacing:0;border:0;margin:0;font-size:15px;line-height:1.6;background:#fff\"><caption style=\"padding:20px;text-align:start;font-size:17px;line-height:1.5;font-weight:700;color:#173246;background:#fff\">Classification of Key CloudLinux Components Based on Typical Shared Hosting Use Cases<\/caption><thead><tr><th scope=\"col\" style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#19394d;color:#fff\">Background<\/th><th scope=\"col\" style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#19394d;color:#fff\">Suitable component<\/th><th scope=\"col\" style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#19394d;color:#fff\">License or Edition<\/th><th scope=\"col\" style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#19394d;color:#fff\">Panel Prerequisite<\/th><th scope=\"col\" style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#19394d;color:#fff\">Benefit<\/th><th scope=\"col\" style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#19394d;color:#fff\">Important Boundary<\/th><\/tr><\/thead><tbody><tr><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#fff;color:#294252\">Many customer accounts share a server<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#fff;color:#294252\">LVE per account<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#fff;color:#294252\">Legacy or Shared Pro, Check License<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#fff;color:#294252\">Supported Panel Integration<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#fff;color:#294252\">Limited resources per account<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#fff;color:#294252\">No Fix for Inefficient Application Code<\/td><\/tr><tr><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#f4f7f9;color:#294252\">Reseller with Many Subaccounts<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#f4f7f9;color:#294252\">Reseller Limits<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#f4f7f9;color:#294252\">Legacy or Shared Pro, Check License<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#f4f7f9;color:#294252\">Reseller account management required<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#f4f7f9;color:#294252\">Limits the total usage of the subaccounts<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#f4f7f9;color:#294252\">Individual rates cannot exceed the joint limit<\/td><\/tr><tr><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#fff;color:#294252\">Restrict file access between accounts<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#fff;color:#294252\">CageFS<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#fff;color:#294252\">Check Edition and Installation<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#fff;color:#294252\">The component must work in conjunction with the panel<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#fff;color:#294252\">Limited System View per User<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#fff;color:#294252\">Does not replace a comprehensive security architecture<\/td><\/tr><tr><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#f4f7f9;color:#294252\">Offer Supported PHP Versions<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#f4f7f9;color:#294252\">PHP Selector<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#f4f7f9;color:#294252\">Check Edition and Package Status<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#f4f7f9;color:#294252\">CageFS; clean PHP interface in the control panel<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#f4f7f9;color:#294252\">Customers select the versions and extensions provided<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#f4f7f9;color:#294252\">Do not conduct a panel selection that is contradictory to the parallel process<\/td><\/tr><tr><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#fff;color:#294252\">Limiting the Database Load from Individual Users<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#fff;color:#294252\">MySQL Governor<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#fff;color:#294252\">Not included in CloudLinux OS Admin<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#fff;color:#294252\">Supported Database and Panel Environments<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#fff;color:#294252\">Identifies and limits problematic database usage<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#fff;color:#294252\">No substitute for query and schema optimization<\/td><\/tr><tr><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#f4f7f9;color:#294252\">Separate Multiple Domains Within an Account<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#f4f7f9;color:#294252\">CloudLinux Isolates, Beta<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#f4f7f9;color:#294252\">Beta feature; check license and availability<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#f4f7f9;color:#294252\">Documented support for panels, web servers, and PHP handlers; for domain LVEs, package statuses are also included<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#f4f7f9;color:#294252\">Can separate websites within an account at the file system level<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#f4f7f9;color:#294252\">Domain LVE limits are also in beta and require additional prerequisites<\/td><\/tr><tr><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#fff;color:#294252\">Additional diagnosis or acceleration<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#fff;color:#294252\">X-Ray, Centralized Monitoring, AccelerateWP<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#fff;color:#294252\">Shared Pro<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#fff;color:#294252\">Applicable Panel and Installation Requirements<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#fff;color:#294252\">Expands the range of features<\/td><td style=\"padding:15px 18px;border:0;border-bottom:1px solid #e2e9ed;text-align:start;vertical-align:top;white-space:normal;font-size:15px;line-height:1.6;background:#fff;color:#294252\">Not included in a standard OS 9 upgrade<\/td><\/tr><\/tbody><\/table><\/div><p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">The table is intended as a decision-making guide, not as approval for installation. Before giving your approval, check the supported panel version, the PHP handler, the specific license, and the package status. CloudLinux documents its own integration requirements for individual components; therefore, a feature that is generally available may be missing or managed differently in a specific panel environment. <\/p>\n<p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">This distinction is particularly important for rate planning: <strong style=\"font-weight:700;color:inherit\">LVE Limits<\/strong> protect shared server capacity at the account level, while reseller limits set an additional shared cap for subaccounts. CageFS, PHP Selector, and MySQL Governor, on the other hand, serve different purposes. A component should therefore be chosen based on the observed bottleneck or protection need, not on a blanket list of features. <\/p>\n<\/section><section class=\"wh-section\" aria-labelledby=\"konfiguration-praxis\" style=\"display:block;margin:0 0 36px;min-width:0\"><h2 id=\"konfiguration-praxis\" style=\"margin:38px 0 18px;color:#172f41;font-size:clamp(24px,1.25rem + 1vw,30px);font-weight:700;line-height:1.3;scroll-margin-top:115px\">Practical Planning for Limits and PHP Management<\/h2><p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">If a WordPress store experiences traffic spikes, account limits restrict CPU usage, memory, input and output operations, processes, and concurrent web access. This keeps the affected account\u2019s resource usage within defined limits and can protect other accounts from excessive usage. When analyzing the cause, it is crucial to determine which limit is actually being reached, rather than simply assuming a general server slowdown. <\/p>\n<p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">However, reaching a limit does not constitute a diagnosis of the store\u2019s problem. A faulty extension, costly database queries, an import, or a lack of caching can trigger the load. Higher values shift the threshold but do not eliminate the root cause. Therefore, first check the resource data and the application; only then should you decide whether optimization, a different pricing plan, or additional capacity is appropriate. <\/p>\n<p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">For a reseller with many small plans, a <strong style=\"font-weight:700;color:inherit\">Reseller Limit<\/strong> the limits for each individual end customer. While each subaccount can have its own limits, their combined total consumption must not exceed the parent limit. This prevents a reseller from using more resources than are allocated for its service due to the combined activity of many active customers. <\/p>\n<p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">For PHP, there should be exactly one clear selection interface per customer account. The PHP Selector requires CageFS. On cPanel systems, concurrent use with MultiPHP can lead to conflicting expectations if customers change versions in different locations. Therefore, specify which interface is visible, which versions are approved, and who manages exceptions. <\/p>\n<p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">The internal article explains how CPU, PMEM, I\/O, IOPS, EP, and NPROC can be translated into specific pricing profiles <a href=\"https:\/\/webhosting.de\/en\/cloudlinux-lve-manager-shared-hosting-configuration-resource-management\/\">How to Properly Configure CloudLinux LVE Manager in Shared Hosting<\/a>. The values listed there are not automatically applicable to every piece of hardware or customer environment. Storage performance, the mix of applications, and the analysis of actual faults remain critical factors for each configuration.<\/p>\n<\/section><section class=\"wh-section\" aria-labelledby=\"isolates-domains\" style=\"display:block;margin:0 0 36px;min-width:0\"><h2 id=\"isolates-domains\" style=\"margin:38px 0 18px;color:#172f41;font-size:clamp(24px,1.25rem + 1vw,30px);font-weight:700;line-height:1.3;scroll-margin-top:115px\">Isolate multiple websites per account<\/h2><p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">A single hosting account often contains a main website, a store, a staging environment, and client projects. The account limit alone does not separate these applications from one another. <strong style=\"font-weight:700;color:inherit\">CloudLinux Isolates<\/strong> The manufacturer has labeled it as a beta feature overall. This feature can set up file system isolation per domain, so that a website's access to files is restricted from other websites within the same account. It is therefore a viable option to consider for accounts with projects involving different levels of risk or responsibilities. <\/p>\n<p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">Separate from this are per-domain LVE limits. These are intended to limit resources on a per-website basis rather than just for the entire customer account. CloudLinux also explicitly labels this layer as beta and refers to it as such for OS 8 and OS 9. File system isolation and per-domain resource limits are thus two separate levels with different requirements. <\/p>\n<ul class=\"wh-list\" role=\"list\" style=\"list-style:none;margin:24px 0;padding:0\"><li style=\"margin:8px 0;padding:12px 17px;background:#f5f8fa;border:1px solid #e0e8ec;border-radius:9px\">For domain LVE limits, CloudLinux specifies at least lve-stats3 5.1.0-1 and lve-utils 6.6.40-1.<\/li><li style=\"margin:8px 0;padding:12px 17px;background:#f5f8fa;border:1px solid #e0e8ec;border-radius:9px\">The PHP handler and control panel must support the respective Isolates configuration.<\/li><li style=\"margin:8px 0;padding:12px 17px;background:#f5f8fa;border:1px solid #e0e8ec;border-radius:9px\">It may be possible to separate file systems by domain, even though the requirements for domain limits have not yet been met.<\/li><\/ul><p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">You should therefore check the requirements separately: first, whether the beta feature \u201cIsolates\u201d is documented for the panel and handler you\u2019re using with the desired file system layer; then, the package versions and the beta status of the resource limits. For standalone LiteSpeed, CloudLinux currently documents support only for cPanel. Other possible combinations should not be assumed to be supported in the same way. <\/p>\n<p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">Isolates can reduce the scope of impact within an account, but do not replace application maintenance. Updated plugins, separate login credentials, backups, and appropriate access control remain necessary. For an account with multiple independent client projects, the <strong style=\"font-weight:700;color:inherit\">Domain Isolation<\/strong> After a documented compatibility test, this may still be a more appropriate additional limit than relying solely on shared account limits. <\/p>\n<\/section><section class=\"wh-section\" aria-labelledby=\"migration-os9\" style=\"display:block;margin:0 0 36px;min-width:0\"><h2 id=\"migration-os9\" style=\"margin:38px 0 18px;color:#172f41;font-size:clamp(24px,1.25rem + 1vw,30px);font-weight:700;line-height:1.3;scroll-margin-top:115px\">Preparing for Migration to OS 9<\/h2><p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">Migrating to CloudLinux OS 9 is a planned conversion, not a standard package update. It may affect installed packages, repository configurations, and the integration with the hosting panel. Before beginning, check your current operating system, CPU architecture, virtualization environment, and the CloudLinux integration supported by your hosting panel.  <\/p>\n<p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">Set a maintenance window and work with complete, tested backups or consistent VM snapshots that can be restored according to the applicable recovery procedure. As an administrative best practice, it is also recommended to document package sources, active services, and non-standard configurations in advance. This allows you to specifically track any differences after the conversion, without treating the documentation as a substitute for a backup. <\/p>\n<figure class=\"wp-block-image size-large wh-figure\" aria-describedby=\"wh-caption-detail2\" style=\"display:block;float:none;clear:both;width:100%;max-width:760px;margin:34px auto 40px;border:1px solid #dae5e9;border-radius:14px;overflow:hidden;background:#f5f8fa;box-shadow:0 10px 28px -17px rgba(24,47,60,.28);box-sizing:border-box\"><div class=\"wh-figure-media\" style=\"display:block;background:#eef3f5;line-height:0\"><img loading=\"lazy\" width=\"800\" height=\"534\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/09\/cloudlinux-os9-migration-vorbereitung-955a8d7d-detail2-d13dd16a23-1024x683.webp\" class=\"wp-image-21749\" alt=\"A specialist is preparing for a planned server migration at the data center\" decoding=\"async\" srcset=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/09\/cloudlinux-os9-migration-vorbereitung-955a8d7d-detail2-d13dd16a23-1024x683.webp 1024w, https:\/\/webhosting.de\/wp-content\/uploads\/2026\/09\/cloudlinux-os9-migration-vorbereitung-955a8d7d-detail2-d13dd16a23-300x200.webp 300w, https:\/\/webhosting.de\/wp-content\/uploads\/2026\/09\/cloudlinux-os9-migration-vorbereitung-955a8d7d-detail2-d13dd16a23-768x512.webp 768w, https:\/\/webhosting.de\/wp-content\/uploads\/2026\/09\/cloudlinux-os9-migration-vorbereitung-955a8d7d-detail2-d13dd16a23-18x12.webp 18w, https:\/\/webhosting.de\/wp-content\/uploads\/2026\/09\/cloudlinux-os9-migration-vorbereitung-955a8d7d-detail2-d13dd16a23.webp 1536w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" ><\/div><figcaption class=\"wh-caption\" id=\"wh-caption-detail2\" style=\"display:block;margin:0;padding:12px 18px 15px;border-top:1px solid #dce5e9;color:#506575;background:#f5f8fa;font-size:14px;line-height:1.55;text-align:start\">AI-generated stock image: Before migrating to OS 9, you need to perform backup, panel, and compatibility checks.<\/figcaption><\/figure><p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">After the system migration, the verification process should not end once the conversion process is successfully completed. Check the integrated repositories as well as the panel integration, and handle additional components separately. PHP Selector, X-Ray, and AccelerateWP have their own installation, licensing, and panel requirements; a functional OS-9 base does not automatically guarantee their availability.  <\/p>\n<p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">One key limitation concerns the version path: The conversion preserves the major version of the source system. Consequently, it does not directly convert a CentOS 7 system into a CloudLinux OS 9 system. For such a generational change, you\u2019ll need a suitable migration path\u2014such as a fresh installation with data and account migration\u2014rather than treating the conversion as an upgrade across multiple major versions. <\/p>\n<\/section><section class=\"wh-section\" aria-labelledby=\"pruefen-monitoren\" style=\"display:block;margin:0 0 36px;min-width:0\"><h2 id=\"pruefen-monitoren\" style=\"margin:38px 0 18px;color:#172f41;font-size:clamp(24px,1.25rem + 1vw,30px);font-weight:700;line-height:1.3;scroll-margin-top:115px\">Check Packages, Kernels, and Faults<\/h2><p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">After installation or upgrade, the operational check begins with an inventory. First, check the currently running kernel. CloudLinux OS 9 uses the AlmaLinux kernel; therefore, the absence of the \u201eLVE\u201c suffix in the output does not indicate that LVE features are missing. The command simply displays the version of the kernel that is currently running. <\/p>\n<div class=\"wh-code-window\" data-wh-code style=\"margin:28px 0 34px;border:1px solid #2c4656;border-radius:12px;overflow:hidden;background:#132a3b;box-shadow:0 9px 25px -13px rgba(15,35,55,.2)\"><div class=\"wh-code-toolbar\" style=\"display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding:11px 16px;background:#223e50;color:#edf5fa;font-size:13px;line-height:1.5;font-weight:600\"><span>Terminal<\/span><button type=\"button\" class=\"wh-code-copy\" data-wh-copy hidden style=\"padding:6px 11px;border:1px solid #7893a1;border-radius:6px;background:transparent;color:#fff;font-size:12px;line-height:1.5;font-weight:600;cursor:pointer\">Copy code<\/button><span class=\"wh-copy-status\" aria-live=\"polite\"><\/span><span data-wh-copy-success hidden>Copied<\/span><span data-wh-copy-fallback hidden>Code highlighted\u2014please copy<\/span><\/div><pre class=\"wh-code\" data-no-translation translate=\"no\" style=\"display:block;margin:0;padding:20px;max-width:100%;overflow-x:auto;color:#edf5fa;background:#132a3b;font:14px\/1.75 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;white-space:pre;direction:ltr;text-align:left\"><code class=\"language-bash\" style=\"font:inherit;color:inherit;background:transparent;padding:0;border:0;white-space:inherit\">uname -r<\/code><\/pre><\/div><p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">Next, you check for the installed core packages. The output displays package names and version numbers or indicates if a package is not installed. This does not replace a license check or a verification of whether the control panel being used correctly integrates the respective interface and functionality. <\/p>\n<div class=\"wh-code-window\" data-wh-code style=\"margin:28px 0 34px;border:1px solid #2c4656;border-radius:12px;overflow:hidden;background:#132a3b;box-shadow:0 9px 25px -13px rgba(15,35,55,.2)\"><div class=\"wh-code-toolbar\" style=\"display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding:11px 16px;background:#223e50;color:#edf5fa;font-size:13px;line-height:1.5;font-weight:600\"><span>Terminal<\/span><button type=\"button\" class=\"wh-code-copy\" data-wh-copy hidden style=\"padding:6px 11px;border:1px solid #7893a1;border-radius:6px;background:transparent;color:#fff;font-size:12px;line-height:1.5;font-weight:600;cursor:pointer\">Copy code<\/button><span class=\"wh-copy-status\" aria-live=\"polite\"><\/span><span data-wh-copy-success hidden>Copied<\/span><span data-wh-copy-fallback hidden>Code highlighted\u2014please copy<\/span><\/div><pre class=\"wh-code\" data-no-translation translate=\"no\" style=\"display:block;margin:0;padding:20px;max-width:100%;overflow-x:auto;color:#edf5fa;background:#132a3b;font:14px\/1.75 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;white-space:pre;direction:ltr;text-align:left\"><code class=\"language-bash\" style=\"font:inherit;color:inherit;background:transparent;padding:0;border:0;white-space:inherit\">rpm -q lve lvemanager cagefs lve-utils<\/code><\/pre><\/div><p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">If you want to evaluate per-domain limits using CloudLinux Isolates, you should also check the documented package versions for this feature. This query does not change any configuration. Domain LVEs are marked as beta; therefore, a matching package version alone does not confirm either the practical compatibility of the PHP handler or support by the panel. <\/p>\n<div class=\"wh-code-window\" data-wh-code style=\"margin:28px 0 34px;border:1px solid #2c4656;border-radius:12px;overflow:hidden;background:#132a3b;box-shadow:0 9px 25px -13px rgba(15,35,55,.2)\"><div class=\"wh-code-toolbar\" style=\"display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding:11px 16px;background:#223e50;color:#edf5fa;font-size:13px;line-height:1.5;font-weight:600\"><span>Terminal<\/span><button type=\"button\" class=\"wh-code-copy\" data-wh-copy hidden style=\"padding:6px 11px;border:1px solid #7893a1;border-radius:6px;background:transparent;color:#fff;font-size:12px;line-height:1.5;font-weight:600;cursor:pointer\">Copy code<\/button><span class=\"wh-copy-status\" aria-live=\"polite\"><\/span><span data-wh-copy-success hidden>Copied<\/span><span data-wh-copy-fallback hidden>Code highlighted\u2014please copy<\/span><\/div><pre class=\"wh-code\" data-no-translation translate=\"no\" style=\"display:block;margin:0;padding:20px;max-width:100%;overflow-x:auto;color:#edf5fa;background:#132a3b;font:14px\/1.75 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;white-space:pre;direction:ltr;text-align:left\"><code class=\"language-bash\" style=\"font:inherit;color:inherit;background:transparent;padding:0;border:0;white-space:inherit\">rpm -q lve-stats3 lve-utils<\/code><\/pre><\/div><p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">For the root cause analysis, the following are <strong style=\"font-weight:700;color:inherit\">Faults<\/strong> and resource data is more informative than a blanket increase in all thresholds. If an account reaches a limit, you first determine whether CPU, memory, I\/O, processes, or concurrent accesses are affected. Next, you review the application and database queries, evaluate caching, and, if the demand is persistent, re-plan capacity or plan your pricing tier.  <\/p>\n<\/section><section class=\"wh-section\" aria-labelledby=\"entscheidungen-fehler\" style=\"display:block;margin:0 0 36px;min-width:0\"><h2 id=\"entscheidungen-fehler\" style=\"margin:38px 0 18px;color:#172f41;font-size:clamp(24px,1.25rem + 1vw,30px);font-weight:700;line-height:1.3;scroll-margin-top:115px\">Avoiding Common Misconceptions<\/h2><p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">The most important point to note is this: CloudLinux OS 9 refers to the operating system generation, not the full range of features included in a hosting license. CloudLinux OS 10 is a separate major branch; therefore, statements about OS 9 cannot automatically be applied to OS 10. Shared Pro also remains a distinct edition with additional features such as PHP X-Ray, Centralized Monitoring, and AccelerateWP.  <\/p>\n<p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">Similarly, a successful conversion should not be considered a blanket approval of all modules. After migration, the panel integration, package statuses, license scope, and requirements for each additional feature must be checked separately. This prevents customers from being promised features that, while they may be part of the selected edition, have not yet been set up or are not yet supported on the specific server.  <\/p>\n<p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">CloudLinux Isolates require particular care. The vendor\u2019s documentation classifies Isolates as beta. Furthermore, the file system isolation of websites within an account and the optional per-domain LVE limits are not equivalent; the domain limits are also explicitly marked as beta. Before deployment, check the PHP handlers, the control panel, and the documented package requirements. <\/p>\n<p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">Also <strong style=\"font-weight:700;color:inherit\">Resource limits<\/strong> do not address the root causes within an application. For operational analysis, it makes sense to first evaluate faults and the affected resource type: CloudLinux can identify threshold violations for CPU, memory, I\/O, IOPS, concurrent connections, and processes. Only then should you assess the application, database queries, cron jobs, and caching, as well as determine whether additional capacity is actually needed. <\/p>\n<p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">Account limits are sufficient for operational decisions when the primary goal is to keep customer projects separate from one another and limit peak loads. Reseller limits are also appropriate when a reseller needs to cap the combined capacity of its subaccounts. Website isolation should be considered a beta option for multiple projects with varying levels of risk within a single account, but only after a documented compatibility test and with clear labeling of their status.  <\/p>\n<\/section><section class=\"wh-sources\" style=\"margin:40px 0 0;padding:24px 0 0;border-top:1px solid #dce5e9;color:#596b7b;font-size:14px;line-height:1.65\"><h2 style=\"margin:38px 0 18px;color:#172f41;font-size:clamp(24px,1.25rem + 1vw,30px);font-weight:700;line-height:1.3;scroll-margin-top:115px\">Sources and Current State of Knowledge<\/h2><p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">Status of the research: <time datetime=\"2026-09-27\">2026-09-27<\/time><\/p><p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\">Research status: September 27, 2026. CloudLinux OS 9 and CloudLinux OS 10 are separate major branches; Statements regarding OS 9 do not automatically apply to OS 10. Editions, licenses, control panel support, and the beta status of individual features must be verified separately based on the manufacturer\u2019s documentation and the specific server configuration.<\/p><div class=\"wh-source-urls\"><p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\"><span class=\"wh-source-url\" data-no-translation dir=\"ltr\" style=\"overflow-wrap:anywhere;font:12px\/1.6 ui-monospace,monospace;direction:ltr\">https:\/\/docs.cloudlinux.com\/cloudlinuxos\/cloudlinux_installation\/<\/span><\/p><p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\"><span class=\"wh-source-url\" data-no-translation dir=\"ltr\" style=\"overflow-wrap:anywhere;font:12px\/1.6 ui-monospace,monospace;direction:ltr\">https:\/\/docs.cloudlinux.com\/introduction\/cloudlinux-os-editions\/<\/span><\/p><p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\"><span class=\"wh-source-url\" data-no-translation dir=\"ltr\" style=\"overflow-wrap:anywhere;font:12px\/1.6 ui-monospace,monospace;direction:ltr\">https:\/\/docs.cloudlinux.com\/cloudlinuxos\/cloudlinux_os_kernel\/<\/span><\/p><p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\"><span class=\"wh-source-url\" data-no-translation dir=\"ltr\" style=\"overflow-wrap:anywhere;font:12px\/1.6 ui-monospace,monospace;direction:ltr\">https:\/\/cloudlinux.com\/features<\/span><\/p><p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\"><span class=\"wh-source-url\" data-no-translation dir=\"ltr\" style=\"overflow-wrap:anywhere;font:12px\/1.6 ui-monospace,monospace;direction:ltr\">https:\/\/docs.cloudlinux.com\/cloudlinuxos\/limits\/<\/span><\/p><p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\"><span class=\"wh-source-url\" data-no-translation dir=\"ltr\" style=\"overflow-wrap:anywhere;font:12px\/1.6 ui-monospace,monospace;direction:ltr\">https:\/\/docs.cloudlinux.com\/cloudlinuxos\/lve_manager\/<\/span><\/p><p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\"><span class=\"wh-source-url\" data-no-translation dir=\"ltr\" style=\"overflow-wrap:anywhere;font:12px\/1.6 ui-monospace,monospace;direction:ltr\">https:\/\/docs.cloudlinux.com\/cloudlinuxos\/control_panel_integration\/<\/span><\/p><p style=\"margin:0 0 1.1em;font-size:inherit;line-height:inherit\"><span class=\"wh-source-url\" data-no-translation dir=\"ltr\" style=\"overflow-wrap:anywhere;font:12px\/1.6 ui-monospace,monospace;direction:ltr\">https:\/\/docs.cloudlinux.com\/cloudlinuxos\/isolates\/<\/span><\/p><\/div><\/section><\/div>","protected":false},"excerpt":{"rendered":"<p>CloudLinux OS 9 modernizes the system foundation for shared hosting. However, the license, edition, installed components, and control panel integration remain critical\u2014especially for LVE, CageFS, Isolates, and Shared Pro.<\/p>","protected":false},"author":1,"featured_media":21747,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[676],"tags":[],"class_list":["post-21742","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server_vm"],"acf":[],"_links":{"self":[{"href":"https:\/\/webhosting.de\/en\/wp-json\/wp\/v2\/posts\/21742","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/webhosting.de\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/webhosting.de\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/webhosting.de\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/webhosting.de\/en\/wp-json\/wp\/v2\/comments?post=21742"}],"version-history":[{"count":3,"href":"https:\/\/webhosting.de\/en\/wp-json\/wp\/v2\/posts\/21742\/revisions"}],"predecessor-version":[{"id":21750,"href":"https:\/\/webhosting.de\/en\/wp-json\/wp\/v2\/posts\/21742\/revisions\/21750"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/webhosting.de\/en\/wp-json\/wp\/v2\/media\/21747"}],"wp:attachment":[{"href":"https:\/\/webhosting.de\/en\/wp-json\/wp\/v2\/media?parent=21742"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/webhosting.de\/en\/wp-json\/wp\/v2\/categories?post=21742"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/webhosting.de\/en\/wp-json\/wp\/v2\/tags?post=21742"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}