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/
ELevate project
Getting Started
- Wizard broken: TypeError: 'NoneType' object is not iterable
- How to install Cloudlinux on Ubuntu
- How to upgrade CloudLinux from Shared to Shared Pro?
- Does CloudLinux Subsystem for Ubuntu support DirectAdmin?
- You have third-party kernel module(s) rpm installed
- CloudLinux Manager is not available after CloudLinux installation is completed.
Known Issues
- Minor version step-down | Deploying CL x.y-1 on Alma x.y.
- Does Cloudlinux have a solution for CVE-2023-44487?
- Are CloudLinux servers affected by CVE-2023-4911?
- CVE-2023-4863 - libwebp vulnarability
- CVE-2023-20593 - Zenbleed Vulnerability
- Fix duplicated packages problem
FAQ
- 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 to link a Centralized monitoring to my account if license was purchased from a Reseller?
- CloudLinux 9 + DirectAdmin Support
- How to Install CloudLinux 8 and migrate users along with CloudLinux settings?
- Can I downgrade from CloudLinux 9 to CloudLinux 8 or do I have to re-install the server?
PHP Selector
- PHP Selector Integration with cPanel
- PHP Selector Integration with Plesk Panel
- PHP Selector Integration with DirectAdmin
- Missing MySQL extension or "MySQL_ND vs MySQL"
- End-user PHP Selector error: ValueError: invalid literal for int() with base 10: '0rc2'
- PHP libmysqlclient_18 error in mysqli.so with the PHP 5.4 on Plesk
Limits & LVE Stats
- FAILED: Some user(s) on server has low PMEM LVE limit
- LVE limits default values and recommended values
- lvestats failed to start: undefined symbol
- How to backup and rebuild LVE database
- LVE error: error: 'NoneType' object has no attribute 'initialize'
- Can not connect to database; MySQL-client libraries package not installed
CageFS
- Website contact form is not working
- Old php session files are not being cleared
- CageFS mount point does not exists
- The "CageFS jail error Failed to set permissions to... (Operation not permitted): Operation not permitted (1)" warning
- Error extracting /home/username/backups/backup/home.tar.zst : /bin/tar: ./.cagefs/tmp/mysql.sock: Cannot create symlink to ‘/var/lib/mysql/mysql.sock’: Permission denied
- Warning: session_start(): open(/var/cpanel/php/sessions/alt-php* failed: No such file or directory
Apache mod_lsapi PRO
- The handler for ea-PHP 8.2 in /etc/container/php.handler is missing
- Unable to install mode_lsapi due to mod_ruid2
- "mod_lsapi" broken after update: Connect to backend failed: connect to lsphp failed: 110
- Unable to install mod_lsapi - DirectAdmin
- How to improve lsapi performance
- Invalid php.ini is used for Plesk lsapi domains
MySQL Governor
- Account creation is slow
- Yum update error: file /usr/lib64/mysql/libmysqlclient.so.18.0.0 conflicts
- MySQL Governor limits recommendation
- MySQL Governor on remote MySQL server
- mysql-governor.xml read/parse error: Document is empty, line 1, column 1
- How to set MySQL Governor limits for a particular package via CLI
CloudLinux Kernels
- There are no kernels in the Grub2 menu during the reboot
- How to choose the correct kernel to boot on CloudLinux OS 7
- CVE-2022-40982 Intel Downfall
- Unable to load lve module with debug kernel
- LVE load fail: could not insert 'kmodlve': Cannot allocate memory
- Why CloudLinux OS 9 doesn't have kernel with LVE in its name?
Python/Ruby/NodeJS Selectors
- npm ERR! code UNABLE_TO_GET_ISSUER_CERT_LOCALLY
- EXCEPTION: parent directory is world writable, FileUtils#remove_entry_secure does not work; abort: "/tmp/passenger.h8oxja" (parent directory mode 40767) (ArgumentError)
- [ERR_REQUIRE_ESM]: Must use import to load ES Module
- The received data is wrong... fork: retry: Resource temporarily unavailable
- Python selector: Unexpected issue(s) happened during importing python applications
- Unable To Deploy Node.js Application - Error: Cannot find module 'semver'.
AccelerateWP
- No module named 'wpos_modify_user_hook'
- AccelerateWP keeps on loading
- How to enable AccelerateWP CDN via CLI?
- AccelerateWP "Redis Object Cache" plugin is not installed
- SmartAdvice is still present on the WordPress dashboard when AccelerateWP disabled
- How to activate AccelerateWP via CLI
Yum & RPM Problems
- How to update to ea-apache24-2.4.57-4 from beta?
- ea-apache24-mod_lsapi-1.1-70.el7.cloudlinux.x86_64 (cloudlinux-ea4-rollout-2) Requires: liblsapi >= 1:1.1-70
- Package cl-MariaDB105-libs conflicts with cl-MySQL80-libs
- 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
- cl-MySQL80-libs conflicts with file from mysql-community-libs
- kernel(oops_in_progress) = 0x299b2b01 is needed by (installed) kmod-lve
General Administration & non-CloudLinux Guides
- CloudLinux Manager Blank Page in DirectAdmin
- Apache failed | httpd: Syntax error on line 28 of /etc/apache2/conf/httpd.conf: Syntax error on line 2 of /etc/apache2/conf.modules.d/280_mo...d_from_conn
- How to roll back installed package(s) update?
- alt-php-internal-firebird update error
- yum shows "package alt-libgd requires libavif.so.14()(64bit)" errors
- AccelerateWP getpwuid(): uid not found
Fighting High Load
- Understanding the High Load Average root cause
- Delay when loading website for the first time and high TTFB values when lsapi handler is used.
- How big your swap partition to be
- Load Averages is high on VMware VPS
- How do I install VMware-Tools/Improving server performance when on VMware
- High iowait and/or load average when APC enabled in PHP Selector