Matomo 4.9.1 › Installation

System Check

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<details>
<summary>Click to view System Check</summary>

### Mandatory checks

#### PHP version >= 7.2.5:
 ✔ 7.4.33

#### PDO extension:
 ✔ 

#### PDO\MYSQL extension:
 ✔ 

#### MYSQLI extension:
 ✔ 

#### Other required extensions:
 ✔ zlib ✔ json ✔ filter ✔ hash ✔ session

#### Required functions:
 ✔ debug_backtrace ✔ eval ✔ hash ✔ gzcompress ✔ gzuncompress ✔ pack

#### Required PHP configuration (php.ini):
 ✔ session.auto_start = 0 ✔ max_execution_time = 0 OR = -1 OR >= 30

#### Directories with write access:
 ✔ $DOC_ROOT/tmp ✔ $DOC_ROOT/tmp/assets ✔ $DOC_ROOT/tmp/cache ✔ $DOC_ROOT/tmp/climulti ✔ $DOC_ROOT/tmp/latest ✔ $DOC_ROOT/tmp/logs ✔ $DOC_ROOT/tmp/sessions ✔ $DOC_ROOT/tmp/tcpdf ✔ $DOC_ROOT/tmp/templates_c ✔ $DOC_ROOT/config


### Optional checks

#### File integrity:
 ✔ 

#### 64-bit PHP Binary:
 ✔ 

#### Tracker status:
 ✔ 

#### Memory limit:
 ✔ 512M

#### Time zone:
 ✔ 

#### Open URL:
 ✔ curl

#### PageSpeed is turned off:
 ✔ 

#### GD > 2.x + FreeType (graphics):
 ✔ 

#### Other extensions:
 ✔ json ✔ libxml ✔ dom ✔ SimpleXML ✔ openssl

#### Other functions:
 ✔ shell_exec ✔ set_time_limit ✔ mail ✔ parse_ini_file ✔ glob ✔ gzopen ✔ md5_file

#### Filesystem:
 ⚠ Warning: Your server is using an NFS filesystem.<br />Using file-based sessions on NFS is extremely slow, so Matomo will use database sessions. If you have many concurrent dashboard users, you may need to increase the maximum number of client connections to the database server.

#### Set up Cron - Managing processes via CLI:
 not supported (optional) (Reasons: Unknown) learn more

#### Update over HTTPS:
 ✔ 

#### Writable JavaScript Tracker ("/matomo.js"):
 ✔ 


### Informational results

#### Matomo Version:
 4.9.1

#### PHP_OS:
 Linux

#### PHP SAPI:
 cgi-fcgi

#### PHP Timezone:
 UTC

#### PHP Time:
 1767957917

#### PHP Datetime:
 2026-01-09 11:25:17

#### PHP Disabled functions:
 _dyuweyrj4, _dyuweyrj4r, dl

#### PHP INI max_execution_time:
 165

#### PHP INI post_max_size:
 130M

#### PHP INI max_input_vars:
 16000

#### PHP INI zlib.output_compression:
 

#### Curl Version:
 7.64.0, OpenSSL/1.1.1n

#### Suhosin Installed:
 0

#### Server Info:
 Apache

#### User Agent:
 Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

#### Browser Language:
 

</details>

PHP version >= 7.2.5	7.4.33
PDO extension
PDO\MYSQL extension
MYSQLI extension
Other required extensions	zlib json filter hash session
Required functions	debug_backtrace eval hash gzcompress gzuncompress pack
Required PHP configuration (php.ini)	session.auto_start = 0 max_execution_time = 0 OR = -1 OR >= 30
Directories with write access	/home/noproble/www/matomo/tmp /home/noproble/www/matomo/tmp/assets /home/noproble/www/matomo/tmp/cache /home/noproble/www/matomo/tmp/climulti /home/noproble/www/matomo/tmp/latest /home/noproble/www/matomo/tmp/logs /home/noproble/www/matomo/tmp/sessions /home/noproble/www/matomo/tmp/tcpdf /home/noproble/www/matomo/tmp/templates_c /home/noproble/www/matomo/config

Optional

File integrity
64-bit PHP Binary
Tracker status
Memory limit	512M
Time zone
Open URL	curl
PageSpeed is turned off
GD > 2.x + FreeType (graphics)
Other extensions	json libxml dom SimpleXML openssl
Other functions	shell_exec set_time_limit mail parse_ini_file glob gzopen md5_file
Filesystem	Your server is using an NFS filesystem. Using file-based sessions on NFS is extremely slow, so Matomo will use database sessions. If you have many concurrent dashboard users, you may need to increase the maximum number of client connections to the database server.
Set up Cron - Managing processes via CLI	not supported (optional) (Reasons: Unknown) learn more
Update over HTTPS
Writable JavaScript Tracker ("/matomo.js")

Informational results

Matomo Version	4.9.1
PHP_OS	Linux
PHP SAPI	cgi-fcgi
PHP Timezone	UTC
PHP Time	1767957917
PHP Datetime	2026-01-09 11:25:17
PHP Disabled functions	_dyuweyrj4, _dyuweyrj4r, dl
PHP INI max_execution_time	165
PHP INI post_max_size	130M
PHP INI max_input_vars	16000
PHP INI zlib.output_compression
Curl Version	7.64.0, OpenSSL/1.1.1n
Suhosin Installed	0
Server Info	Apache
User Agent	Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
Browser Language

Installation status 14%

System Check

Optional

Informational results