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Introduction
Installation
Converting existing servers
Activation
Getting trial license
License activation
Installing new servers
Installing CloudLinux OS 8 from ISO image
CloudLinux OS images
Net install
Provider-specific guidelines
AWS
H-Sphere
DigitalOcean
Linode
Virtuozzo and OpenVZ
LILO boot loader
Uninstalling
Migration to EasyApache 4
Limits
Understanding limits
SPEED limit
Memory limit
Virtual memory limit
Physical memory limit
Troubleshooting
IO
IOPS
Entry processes
Number of processes
Inodes
Network traffic bandwidth control and accounting system
How to limit outgoing network traffic
Traffic accounting
Limits validation
Compatibility matrix
Reseller limits
Design
Requirements
Configuration
User interface (LVE Manager)
CloudLinux installation wizard
LVE Manager
Dashboard
Current usage
Users
Statistics
Options
Packages
PHP Selector
Python Selector
Node.js Selector
Website monitoring tool and Slow Site analyzer
Reseller interface
LVE plugins branding
User message for PHP version
Client plugins
cPanel LVE Extension
CloudLinux OS+
X-Ray
Description
Installation
How to manage X-Ray
Managing tracing task
Managing continuous tasks
X-Ray client
X-Ray agent
FAQ
Centralized Monitoring
Description
Installation
Centralized Monitoring: mode without session expired
Centralized Monitoring user interface
Alert Manager
FAQ
Troubleshooting
Known issues
CloudLinux OS components
LVE-Stats 2
General information and requirements
Installation and update
Configuration
LVE-stats2 and DB servers compatible work setup
Plugins
Troubleshooting
CageFS
General information and requirements
Installation and update
Uninstalling
Managing users
Configuration
Integration with control panels
MySQL Governor
General information and requirements
Installation and update
Uninstalling
Configuration and operation
Backing up MySQL
Troubleshooting
PHP Selector
General information and requirements
Installation and update
Installation instructions for cPanel users
LiteSpeed support
ISPmanager support
Uninstalling
Configuration and using
Integration with control panels
Bundled PHP extensions
Python Selector
General information and requirements
Migration to the new Python Selector
Installation and update
Deploying Trac using Python Selector
Ruby Selector
General information and requirements
Installation and update
Configuration and using
Node.js Selector
General information and requirements
Installation and update
Node.js deployment
Troubleshooting
Apache mod_lsapi PRO
General information and requirements
Installation
Uninstalling
Configuration
Troubleshooting
CRIU Support
Additional integration components
LVE PAM module
LVE wrappers
MPM ITK
HostingLimits module for Apache
cPanel/WHM JSON API
mod_proctitle
alt-suexec
cPanel Nginx and application selectors
How to use Certbot with alt-python36
Apache suexec module
General information and requirements
Configuration
Installation
Command-line tools (CLI)
CageFS
LVE-stats 2
MySQL Governor
PHP Selector
Python Selector
New Python Selector
Old Python Selector
Ruby Selector
Node.js Selector
Apache mod_lsapi PRO
Other CLI tools
cldeploy
lvectl
lveps
lvetop
cldetect
cldiag
cloudlinux-config
cl-quota
cloudlinux-limits
Control panel integration
General
Versioning
Changelog
Control panel API integration
Integration scripts requirements
Working with CPAPI & CageFS
Expected scripts responses
The list of the integration scripts
Control panel hooks integration
Managing administrators
Managing users
Managing domains
Web UI integration
ui-user-info script
PHP-based integration of WEB UI with the control panel
UI with CageFS enabled
How to integrate CageFS with a control panel
CageFS MIN_UID
PAM configuration for CageFS
Integrating CageFS with Apache
Running commands inside CageFS
Updating CageFS skeleton
Setting up directories for PHP sessions
Creating new user account
Modifying user accounts
Removing user accounts
Excluding users from CageFS
How to add a file or a directory to CageFS
Users' home directory
Excluding files from CageFS
Executing commands outside CageFS via proxyexec
Filtering options for commands executed by proxyexec
Integrating CloudLinux PHP Selector
Integration of Apache modules in control panels
alt-mod-passenger
mod_hostinglimits
mod_lsapi
MySQL Governor
CloudLinux LVE and CageFS patches
Hardened PHP
CloudLinux kernel set-up
/proc filesystem access control
Symlink protection
File system quotas
CloudLinux OS kernel
CloudLinux 8 kernel-related features and improvements
Hybrid Kernels
SecureLinks
Symlink owner match protection
Link traversal protection
File change API
General
Usage and integration
Installation and configuration
Configuration details
Low-level access
Tuned-profiles-cloudlinux
Kernel config variables
Virtualized /proc filesystem
Remounting procfs with "hidepid" option
Ptrace block
Xen XVDA
Umask behavior
IO limits latency
Reading LVE usage
Flashcache
OOM killer for LVE processes
File system quotas
Enter LVE when using cPanel utilities
Proactive reporting kernel crash events with Sentry and Kernel Panic Receiver
Disabling the feature
For CloudLinux partners
Deprecated
Python Selector (Old)
Installation
End user access
Hide Python Selector icon
Git for cPanel
LVE-Stats 0.x
Storing statistics in MySQL
Storing statistics in PostgreSQL
Compacting in multi-server settings
OptimumCache
Installation
Using without ploop
Marking directories
OptimumCache configuration file
Command-line interface
cloudlinux-collect: collect system load statistics
Uninstall OptimumCache
Troubleshooting
TPE extension
CPU limits
CPU limits before lve-utils 1.4
Package integration
Detecting and working with CloudLinux
Displaying CPU, memory & IO limits
Redis support for HostingLimits
LVERedisSocket
LVERedisAddr
LVERedisTimeout
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