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Documentation Index

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Use this file to discover all available pages before exploring further.

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Overview

The stack command is used to install, manage, and remove server stack components (Nginx, PHP, MySQL/MariaDB) and related tools. Syntax: 
stack <option> <arguments>

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Installation Options

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-html / -nginx

Install Nginx web server. Example: 
stack -nginx
With build mode: 
stack -nginx -build=light

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-php

Install PHP-FPM. Example: 
stack -php
Install with Nginx: 
stack -php=nginx
With build mode: 
stack -php -build=light
Force installation without confirmation: 
stack -php=force

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-mysql

Install MySQL or MariaDB server. Example: 
stack -mysql
Install client only: 
stack -mysql=client
With build mode: 
stack -mysql -build=light

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-lemp

Install complete LEMP stack (Linux, Nginx, MySQL/MariaDB, PHP). Example: 
stack -lemp
With build mode: 
stack -lemp -build=light
Available build modes:
  • light - Minimal installation without additional tools
  • basic - Standard installation with essential tools (default)

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Additional Tools

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-letsencrypt

Install Let’s Encrypt (Certbot) for SSL certificates. Example: 
stack -letsencrypt

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-backups

Install backup tools (duplicity, duply). Example: 
stack -backups

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-postfix

Install Postfix mail server for PHP mail() function. Example: 
stack -postfix

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-redis

Install Redis with PHP Redis extension. Example: 
stack -redis

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-memcached

Install Memcached with PHP Memcached extension. Example: 
stack -memcached

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-pma

Install phpMyAdmin. Example: 
stack -pma

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Version Management

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-php-ver

Change PHP version. Example: 
stack -php-ver=8.3
Available versions: 5.6, 7.0, 7.1, 7.2, 7.3, 7.4, 8.0, 8.1, 8.2, 8.3, 8.4, 8.5 Version switching preserves:
  • Installed PHP tools (Postfix, Redis, Memcached)
  • phpMyAdmin installation
  • SMTP configuration
  • Site configurations

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-mysql-ver

Change MySQL/MariaDB version. For MariaDB: 
stack -mysql-ver=11.8
Available MariaDB versions: 10.5, 10.6, 10.11, 11.4, 11.8 For MySQL: 
stack -mysql-ver=8.0
Available MySQL versions: 8.0, 8.4, 9.1, 9.2 Important notes:
  • Downgrading MySQL/MariaDB is not supported
  • phpMyAdmin is preserved during version changes
  • Data is kept during version upgrades
  • Cannot mix MySQL and MariaDB data

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Removal Options

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-purge

Remove stack components. Remove Nginx: 
stack -nginx -purge
Remove with data retention: 
stack -nginx -purge=keep-data
Force removal without confirmation: 
stack -nginx -purge=force
Remove PHP: 
stack -php -purge
Remove MySQL/MariaDB: 
stack -mysql -purge
Remove MySQL/MariaDB keeping data: 
stack -mysql -purge=keep-data
Remove Let’s Encrypt: 
stack -letsencrypt -purge
Remove backup tools: 
stack -backups -purge
Remove Postfix: 
stack -postfix -purge
Remove Redis: 
stack -redis -purge
Remove Memcached: 
stack -memcached -purge
Remove phpMyAdmin: 
stack -pma -purge

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-purge-server-all

Remove entire Webinoly stack. Example: 
stack -purge-server-all
Force removal without confirmation: 
stack -purge-server-all=force
What gets removed:
  • Nginx and all sites
  • PHP-FPM and all extensions
  • MySQL/MariaDB and all databases
  • Let’s Encrypt certificates
  • Backup tools
  • Postfix
  • Redis
  • Memcached
  • phpMyAdmin
  • Pre-installed packages (pwgen, unzip)
  • Swap (if created by Webinoly)
  • All configuration files

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Information

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-info

Display stack information. Example: 
stack -info
Shows:
  • Installed components and versions
  • Service status
  • Resource usage
  • Configuration details

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Arguments

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-build

Specify build mode for installations. Available modes: light mode:
  • Minimal installation
  • No additional tools
  • Suitable for containers or minimal setups
basic mode (default):
  • Standard installation
  • Includes recommended tools
  • Postfix (for PHP mail)
  • Redis (for object caching)
  • Memcached (for session storage)
Examples: 
stack -lemp -build=light
stack -php -build=basic
stack -mysql -build=light

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-purge

Control removal behavior. Values:
  • No value - Standard removal with confirmation
  • force - Skip confirmation prompts
  • keep-data - Remove packages but keep data and configuration
Examples: 
stack -nginx -purge=force
stack -mysql -purge=keep-data

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Component Details

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Nginx Installation

When installing Nginx, the following is configured:
  • Official Nginx repository
  • Optimized nginx.conf
  • FastCGI cache setup
  • Security headers
  • Default site
  • Admin tools site
  • SSL certificate for default site
  • kTLS module support
  • Gzip compression
  • Brotli compression (if available)
Files created:
  • /etc/nginx/nginx.conf - Main configuration
  • /etc/nginx/sites-available/ - Site configurations
  • /etc/nginx/sites-enabled/ - Enabled sites
  • /etc/nginx/common/ - Common configuration includes
  • /var/www/ - Web root directory
  • /var/run/nginx-cache/ - FastCGI cache directory

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PHP Installation

When installing PHP, the following is configured:
  • Ondřej Surý’s PHP PPA (Ubuntu)
  • PHP-FPM with optimized settings
  • Required PHP extensions:
    • php-fpm - FastCGI Process Manager
    • php-common - Common files
    • php-cli - Command-line interface
    • php-curl - cURL support
    • php-gd - GD graphics library
    • php-imap - IMAP support
    • php-readline - Readline support
    • php-mysql - MySQL/MariaDB support
    • php-mbstring - Multibyte string support
    • php-bcmath - BCMath arbitrary precision mathematics
    • php-zip - ZIP archive support
    • php-xml - XML support
    • php-soap - SOAP support
    • php-imagick - ImageMagick support
    • php-msgpack - MessagePack support
    • php-igbinary - Igbinary support
    • php-intl - Internationalization support
    • php-opcache - Zend OPcache (PHP 5.6-8.4)
PHP-FPM configuration:
  • Pool configuration at /etc/php/{ver}/fpm/pool.d/www.conf
  • php.ini at /etc/php/{ver}/fpm/php.ini
  • PHP info page at tools site
  • PHP status page at tools site

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MySQL/MariaDB Installation

MariaDB (default):
  • Official MariaDB repository
  • Secure installation
  • Root and admin users created
  • Optimized configuration
MySQL:
  • Official MySQL repository
  • Secure installation
  • Root and admin users created
  • Optimized configuration
Configuration files:
  • /etc/mysql/my.cnf - Main configuration
  • /etc/mysql/conf.d/ - Additional configurations
  • /var/lib/mysql/ - Data directory
Credentials storage:
  • Root password stored in Webinoly config
  • Admin user for Webinoly operations
  • MySQL client login file at ~/.my.cnf

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Let’s Encrypt Installation

Installs Certbot snap package with:
  • Automatic certificate renewal
  • Cron job for renewals (runs twice daily)
  • DNS plugins available
  • HTTP-01 and DNS-01 challenge support

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Backup Tools Installation

Installs:
  • Duplicity - Encrypted bandwidth-efficient backup
  • Duply - Frontend for duplicity
  • python3-boto3 - AWS S3 support
Configuration:
  • Profiles stored at ~/.duply/
  • Supports local and S3 backups
  • Encryption supported

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Postfix Installation

Installs Postfix configured as:
  • Internet Site mode
  • Local delivery disabled
  • SMTP relay support
  • Sendmail compatibility
Configuration:
  • Main config at /etc/postfix/main.cf
  • Enables PHP mail() function

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Redis Installation

Installs:
  • Redis server (latest from Redis PPA)
  • PHP Redis extension
  • Persistent storage configuration
  • Unix socket for PHP-FPM
Configuration:
  • Config at /etc/redis/redis.conf
  • Socket at /var/run/redis/redis-server.sock
  • Default maxmemory policy: allkeys-lru

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Memcached Installation

Installs:
  • Memcached server
  • PHP Memcached extension
  • PHP Memcache extension (legacy, PHP 5.6-8.4)
Configuration:
  • Config at /etc/memcached.conf
  • Default memory: 64MB
  • Unix socket support

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phpMyAdmin Installation

Installs:
  • Latest phpMyAdmin
  • Blowfish secret configured
  • TempDir configured
  • Access via tools site
Location:
  • /var/www/{tools-site}/htdocs/pma/
  • Access at https://{tools-site}/pma/

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Common Usage Examples

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Install complete LEMP stack

stack -lemp

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Install Nginx and PHP only

stack -php=nginx

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Add Redis to existing installation

stack -redis

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Upgrade PHP version

stack -php-ver=8.3

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Upgrade MariaDB version

stack -mysql-ver=11.8

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Install minimal stack (for Docker)

stack -lemp -build=light

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Remove Nginx keeping sites data

stack -nginx -purge=keep-data

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Remove entire stack

stack -purge-server-all

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Install backup tools

stack -backups

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Install phpMyAdmin

stack -pma

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Version Compatibility

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PHP Version Support

VersionStatusUbuntu Support
5.6LegacyAll versions
7.0LegacyAll versions
7.1LegacyAll versions
7.2LegacyAll versions
7.3LegacyAll versions
7.4MaintenanceAll versions
8.0SecurityAll versions
8.1ActiveAll versions
8.2ActiveAll versions
8.3ActiveAll versions
8.4ActiveAll versions
8.5CurrentAll versions

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MySQL Version Support

VersionStatusArchitecture
8.0LTSx86_64 only
8.4Innovationx86_64 only
9.1Innovationx86_64 only
9.2Innovationx86_64 only
Note: MySQL does not support ARM processors.

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MariaDB Version Support

VersionStatusSupport Until
10.5MaintenanceJune 2025
10.6LTSJuly 2026
10.11LTSFebruary 2028
11.4LTSMay 2029
11.8Current-

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Stack Removal Behavior

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Nginx Removal

Standard removal:
  • Removes all sites
  • Removes Let’s Encrypt certificates
  • Removes phpMyAdmin
  • Removes backup tools
  • Removes all configuration
  • Removes /var/www/ directory
With keep-data:
  • Removes Nginx package
  • Keeps sites data in /var/www/
  • Keeps site configurations
  • Keeps SSL certificates
  • Can be reinstalled later

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PHP Removal

Removes:
  • PHP-FPM and all extensions
  • Postfix (if installed)
  • Redis (if installed)
  • Memcached (if installed)
  • phpMyAdmin (depends on PHP)
  • SMTP configuration
  • PHP configuration files

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MySQL/MariaDB Removal

Standard removal:
  • Removes all databases
  • Removes all users
  • Removes configuration files
  • Removes phpMyAdmin
  • Cannot be recovered
With keep-data:
  • Removes packages
  • Keeps data directory (/var/lib/mysql/)
  • Keeps configuration
  • Can be reinstalled later
  • Important: Make backups before reinstalling

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