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
- Hosting accounts have exceeded the allowed limit
- ERROR: SSL handshake to <RetryServer for xmlrpc.cln.cloudlinux.com/XMLRPC/> failed
- Failed to download metadata for repo 'cloudlinux-x86_64-server-8': Cannot download repomd.xml
- Vulnerabilities CVE-2025-6018 and CVE-2025-6019
- Is Cloudlinux compatible with Rocky Linux 8?
- Is Kernelcare compatible with CloudLinux 9?
Known Issues
- yum: Problem: package alt-python27-cllib conflicts with rhn-client-tools < 1:2.8.16-14
- Common `cldiag --all` Errors & Fixes
- FAILED: Details: hidepid protection disabled
- Unable to load dynamic library 'tidy.so' | Issue after ea-libtidy update
- SQLSTATE[HY000] [2019] Can't initialize character set UTF8 | Character error when using the latest MySQL extension | Issue after the last ALT-PHP update
- Centralized Monitoring: No statistics displayed (“N/A”) for all servers
FAQ
- How to Install CloudLinux 8/9 and migrate users along with CloudLinux settings?
- How to prepare your server(s) before ticket creation and provide replication steps for the Support Team
- How to authenticate your server for Support Team and use the SSH access form?
- How do I uninstall CloudLinux or its features?
- What repo files should be in CentOS6 ELS server?
- Will an In-Place Upgrade from CloudLinux 9 to CloudLinux 10 Be Possible When Released?
PHP Selector
- INTL extension is broken for ea-php
- [Errno 2] No such file or directory: '/etc/cl.selector.conf.d/phpextdesc.txt'
- PHP Selector Integration with cPanel
- PHP Selector Integration with Plesk Panel
- PHP Selector Integration with DirectAdmin
- Missing MySQL extension or "MySQL_ND vs MySQL"
Limits & LVE Stats
- LVE limits default values and recommended values
- Display CloudLinux Inodes Count in cPanel
- CageFS not supported by kernel
- LVE Snapshots is missing in GUI
- clquota ERROR on XFS filesystem: user quota sync failed for /dev/XXX: Function not implemented
- New user has incorrect LVE limits | Change default LVE limits
CageFS
- The CageFS plugin is no longer available
- CageFS can't start - Error: current running kernel is NOT supported
- CageFS plugin error: Deprecated: strstr Passing null to parameter #1 ($haystack)
- How to mount a directory inside CageFS for particular users only
- ea-podman in CageFS
- Add Ghostscript feature for users under CageFS
Apache mod_lsapi PRO
- Error with mod-lsapi version 1.1-81 on DirectAdmin servers.
- mod-lsapi 1.1-81 on DirectAdmin server: undefined symbol: lscapi_set_criu_socket_path
- Cannot load modules/mod_lsapi.so into server: /etc/httpd/modules/mod_lsapi.so: undefined symbol: lscapi_create
- mod_lsapi.so Fails to Load - Undefined Symbol lscapi_set_criu_socket_path
- Support mod_lsapi for Nginx
- Do I need to Install LSAPI in CloudLinux when installing LiteSpeed?
MySQL Governor
- MySQL warning: get_log_ex_properties
- dbtop shows wrong values. Governor library version mismatch
- Add MySQL 8.4 for Governor
- Does MySQL Governor support MariaDB 11.4?
- MySQL Governor malfunction in CloudLinux Dashboard
- MySQL 8.0.38 won't start
CloudLinux Kernels
- How to configure kdump to save vmcore on remote server via ssh
- There are no kernels in the Grub2 menu during the reboot
- How to choose the correct kernel to boot on CloudLinux OS
- Module kmodlve not found in directory /lib/modules/5.14.0-503.11.1.el9_5.x86_64
- Reboot your system to update the kernel. AlmaLinux kernel is newer than LVE kernel.
- Kmodlve cannot be loaded Cloudlinux 9. modprobe: FATAL: Module kmodlve not found in directory
Python/Ruby/NodeJS Selectors
- How to Install Python Selector cPanel
- NodeJS Selector not Working with an Error "Can't acquire lock for app"
- Python/NodeJS apps cannot upload files
- NodeJS and Python selector page for end users is stuck on loading
- cPanel Perl libraries were missing and wrong system language.
- Error installing Python Selector using the Wizard.
AccelerateWP
- AccelerateWP reseller support
- Image optimization is temporarily paused. Your site has reached the monthly usage limit.
- How to enable image optimization in Dashboard?
- Redis extension is not loaded for selected php version
- AccelerateWP warning: Please, disable or remove "snuffleupagus" PHP extension.
- Cannot load module 'redis' because required module 'msgpack' is not loaded
ELevate project
- You have MySQL 5.7 installed. This version is not available for CloudLinux 8.
- Elevate error: cache-only enabled but no cache for 'cloudlinux-x86_64-server-8'
- Elevate failed during stage 4: Unable to find a match: ea-php56-php-suhosin
- Failed to create directory /var/lib/leapp/el8userspace//sys/fs/selinux: Read-only file system
- Elevate CL7 with hybrid kernel error
- Upgrading from CloudLinux 8 to CloudLinux 9 using Elevate
X-Ray
- Full SQL query is not visible during X-Ray tracking.
- CL Shared/Legacy edition is not supported by X-Ray
- How to uninstall X-ray
- How to cleanup X-Ray tasks that cannot be removed from UI
- Cannot enable X-Ray for End-Users - Infinite loop
- Getting a Duplicate URL while adding a new task in the X-Ray panel
Centralized Monitoring
- How does Centralized Monitoring works?
- Centralized Monitoring for Reseller's Users
- FAILED: Service is not active. The server can't collect and send statistics to Centralized Monitoring if service cl_node_exporter isn't present, enabled and active.
- Centralized Monitoring is not displaying the statistics
Yum & RPM Problems
- Error: Failed to download metadata for repo 'cloudlinux-x86_64-server-8': Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried
- File /usr/lib64/mysql/libmysqlclient.so.18.0.0 from install of cl-MariaDB103-libs-10.3.39-3.el7.cloudlinux.x86_64 conflicts with file from package mysqlclient18-compat-10.1.28-1.el7.cloudlinux.x86_64
- Package update Error alt-php84-pecl-propro
- ModSecurity 2.9.10 release
- Curl error (60): Peer certificate cannot be authenticated with given CA certificates for [SSL certificate problem: unable to get local issuer certificate]
- Broken intl extension in PHP 7.4 & 8.0 due to ea-libicu-77.1-1.el8.cloudlinux.x86_64 upgrade
General Administration & non-CloudLinux Guides
- nothing provides libraw_r.so.23()(64bit) needed by ImageMagick-libs-6.9.12.93-2.el9.x86_64 from epel
- How to enable or disable yum/dnf repo
- CloudLinux Manager Blank Page in DirectAdmin
- Unable to install CloudLinux due to the "You have users in the group 'clsudoers', 'clsupergid' or both." error
- Yum Update Fails Due to SSSD and libipa_hbac Dependency Conflicts
- Changing the System-Wide Default Node.js Version on CloudLinux
Fighting High Load
Registration Cases
- Server license check failed: _cffi_backend.cpython-36m-x86_64-linux-gnu.so: invalid ELF header
- Error: License not found for key/IP!
- rhn-plugin: Network error: ECONNRESET
- The "License not found for key/IP" error during the CloudLinux license activation.
- Registration Error: "Too many systems registered using this registration token"