KVS Server Requirements

Server Requirements

Minimum Server Requirements

Linux-based operating system (Windows is not supported)
PHP 8.1 for standard installations; PHP 8.1–8.4 for projects using unencoded PHP source code
ionCube Loader 15 or newer (not required for projects using unencoded PHP source code)
MySQL 8.0 or newer, or MariaDB 11.6 or newer
FFmpeg 1.0 or newer with libx264, libavfilter and AAC encoding support (libfaac, libfdk_aac or the native FFmpeg AAC encoder)
ImageMagick with WebP and AVIF support
cURL
Wget 1.14 or newer
Apache with mod_rewrite enabled and MultiViews disabled
Domain name using Latin characters (Punycode is not supported)
youtube-dl or yt-dlp, if video grabbers are required

download the test script

Required PHP Extensions and Settings

MySQL Improved Extension (mysqli)
Client URL Library (curl)
Zlib Compression (zlib)
SimpleXML
Image Processing and GD
Multibyte String (mbstring)
The disable_functions setting in php.ini must not include exec
PHP.ini file_uploads on
PHP.ini post_max_size 100m
PHP.ini upload_max_filesize 100m

Recommended Configuration

Memcached + PHP Memcached module
Nginx configured as a reverse proxy in front of Apache is recommended for faster static-file and video delivery, as well as for KVS content protection. Content protection requires custom rules in the Nginx configuration. Because some cPanel installations do not allow these rules to be modified, we do not recommend using cPanel on servers that will store and deliver video files.
External PHP caching extensions such as eAccelerator or XCache are not recommended
Using Suhosin with PHP is not recommended

Requirements for Multi-Server Configurations

The requirements above apply to a basic configuration running on a single physical server. KVS can also use separate servers for video storage and conversion. These server types have different requirements:

Storage server: PHP; Nginx is recommended
Conversion server: PHP, FFmpeg and ImageMagick

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