CloudLinux OS
In this category, you will find CloudLinux OS-related guides, FAQs, setup instructions, and troubleshooting articles written by our Support Engineers. Those will help you to tackle the most frequent problems, answer the most frequent questions, and explain non-trivial setups. Visit our Documentation page for administration guides and manuals where all our features are described in detail: https://docs.cloudlinux.com/
Getting Started
Known Issues
- PHP Selector Doesn't Change PHP Options on ISPManager [Resolved]
- AMD CPU Unable to Boot after CPU Microcode Update
- LVE Manager doesn't work and its interface is broken on WHM/cPanel server
- Kernel panic - not syncing
- Error on cPanel - Current Usage page [Resolved]
- Error "retry_no_cache=self._retry_no_cache"
FAQ
- From Which IP Will CloudLinux Staff Connect to my Server
- How Do I Translate CloudLinux Plugins to Custom Language?
- CentOS 6 Extended Lifecycle Support
- CloudLinux OS 6 Extended Lifecycle Support
- X-Ray and CL OS+ FAQ
- How to opt-out from gradual rollout?
PHP Selector
- PHP Selector Integration with cPanel
- PHP Selector Integration with Plesk Panel
- PHP Selector Integration with DirectAdmin
- [Troubleshooting] PHP Selector doesn't Switch PHP Versions
- [Troubleshooting] Your PHP installation appears to be missing the MySQL extension
- PHP Selector Error - "System default PHP version is alt-php"
Limits & LVE Stats
- Package LVE Limits are not Applied to Users
- LVE Statistics Doesn't Show Stats for User with Big UIDs
- What are the recommended resource limit values?
- How to fix lveinfo database error
- LVE Stats. How it works
- CloudLinux - Reseller Limits FAQ
CageFS
- Emails Bounce Back when CageFS is Enabled
- How to Install Redis on CloudLinux with CageFS
- How to Add XVFB and wkhtmltopdf to CageFS
- How to Install Composer on CloudLInux with CageFS
- How to add java to CageFS
- How do I configure Apache to have Python script run in CageFS?
Apache mod_lsapi PRO
MySQL Governor
- [Troubleshooting] MySQL Service is Down
- [Troubleshooting] Website MySQL Connection Issue
- MySQL Governor Issue: "You are attempting to install a LOWER mysql version than currently installed one"
- MySQL 5.7 and "Got an error writing communication packets" message
- Duplicate log entry for /var/lib/mysql/mysqld.log
- Move the MySQL Data Folder
CloudLinux Kernels
- Dmesg Notice "loading out-of-tree module taints kernel" on CloudLinux 7 Hybrid and CloudLinux 8 Kernels
- CloudLinux OS Compatibility With AMD Ryzen & EPYC Processors
- Errors reported in console during the kernel package installation
- Unable to get kernel-module for r1soft backup.
- Dependency error when optimumcache is installed
- How To Obtain Vmcore on Xen/KVM Virtual Machines with Virsh
Python/Ruby/NodeJS Selectors
Yum & RPM Problems
- Fix rpmdb: Thread died in Berkeley DB library
- HTTP Error 404 - Not Found errors in yum
- How do I fix duplicated packages issue
- How to resolve “Missing perl module” during the packages update
- "The SSL certificate failed verification" error while running yum
- What to do if RPM or yum Processes Hang?
Fighting High Load
- [Troubleshooting] High Load on Server
- How big your swap partition to be
- What to Do if Slab Cache Grows and Negatively Impacts the Server Performance
- Load Averages is high on VMware VPS
- High load average without visible CPU consuming processes. CPU scaling, kondemand
- How do I install VMware-Tools/Improving server performance when on VMware
General Administration & non-CloudLinux Guides
- How to get CloudLinux OS with cPanel AMI working on AWS
- How To Deal With "Boot Partition is Full" Message
- How to check email pipe issue
- The incorrect kernel name/release is shown in WHM/cPanel.
- ImageMagick is slow
- I am running CloudLinux in a Xen VM, and getting "4gb seg fixup"