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Edit 03-application-servers.md for 8 (#2951)
* strip out 9 content * update modules to latest php for 8 * enable latest php for 8 * a couple of sentence updates
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‎docs/books/web_services/03-application-servers.md‎

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@@ -29,7 +29,7 @@ In this chapter, you will learn about PHP and PHP-FPM.
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:checkered_flag: **PHP**, **PHP-FPM**, **Application server**
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**Knowledge**: :star: :star: :star:
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**Complexity**: :star: :star: :star:
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**Complexity**: :star: :star: :star:
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**Reading time**: 30 minutes
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To obtain a list of available versions, enter the following command:
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=== "9.3 PHP module list"
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```bash
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$ sudo dnf module list php
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Rocky Linux 9 - AppStream
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Name Stream Profiles Summary
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php 8.1 [d] common [d], devel, minimal
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Hint: [d]efault, [e]nabled, [x]disabled, [i]nstalled
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```
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The Remi repository offers more recent releases of PHP than the Appstream repository, including versions 8.2 and 8.3.
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To install the Remi repository, run the following command:
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```bash
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sudo dnf install https://rpms.remirepo.net/enterprise/remi-release-9.rpm
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```
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Enable the Remi repository by running the following command:
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```bash
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sudo dnf config-manager --set-enabled remi
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```
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You can now activate a newer module (PHP 8.3) by entering the following command:
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```bash
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sudo dnf module enable php:remi-8.3
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```
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=== "8.9 PHP module list"
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### PHP module list
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```bash
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$ sudo dnf module list php
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Rocky Linux 8 - AppStream
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Name Stream Profiles Summary
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php 7.2 [d] common [d], devel, minimal PHP scripting language
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php 7.3 common [d], devel, minimal PHP scripting language
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php 7.4 common [d], devel, minimal PHP scripting language
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php 8.0 common [d], devel, minimal PHP scripting language
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Name Stream Profiles Summary
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php 7.2 [d] common [d], devel, minimal PHP scripting language
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php 7.3 common [d], devel, minimal PHP scripting language
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php 7.4 common [d], devel, minimal PHP scripting language
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php 8.0 common [d], devel, minimal PHP scripting language
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php 8.2 common [d], devel, minimal PHP scripting language
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Hint: [d]efault, [e]nabled, [x]disabled, [i]nstalled
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```
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Rocky provides different PHP modules from its AppStream repository.
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You will note that Rocky 8.9's default version is 7.2, which has already reached its end of life at the time of this writing.
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You will note that the Rocky 8 default version is 7.2, which is already end of life at the time of this writing.
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You can activate a newer module by entering the following command:
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```bash
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sudo dnf module enable php:8.0
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sudo dnf module enable php:8.2
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==============================================================================================
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Package Architecture Version Repository Size
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==============================================================================================
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Enabling module streams:
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httpd 2.4
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nginx 1.14
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php 8.0
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php 8.2
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Transaction Summary
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==============================================================================================
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The example below installs PHP with the modules usually installed with it.
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=== "9.3 install PHP"
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```bash
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sudo dnf install php php-cli php-gd php-curl php-zip php-mbstring
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```
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During installation, you will be prompted to import GPG keys for the epel9 (Extra Packages for Enterprise Linux 9) and Remi repositories. Enter y to import the keys:
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```bash
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Extra Packages for Enterprise Linux 9 - x86_64
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Importing GPG key 0x3228467C:
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Userid : "Fedora (epel9) <epel@fedoraproject.org>"
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Fingerprint: FF8A D134 4597 106E CE81 3B91 8A38 72BF 3228 467C
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From : /etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-9
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Is this ok [y/N]: y
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Key imported successfully
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Remi's RPM repository for Enterprise Linux 9 - x86_64
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Importing GPG key 0x478F8947:
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Userid : "Remi's RPM repository (https://rpms.remirepo.net/) <remi@remirepo.net>"
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Fingerprint: B1AB F71E 14C9 D748 97E1 98A8 B195 27F1 478F 8947
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From : /etc/pki/rpm-gpg/RPM-GPG-KEY-remi.el9
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Is this ok [y/N]: y
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Key imported successfully
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Running transaction check
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Transaction check succeeded.
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Running transaction test
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Transaction test succeeded.
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Complete!
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```
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=== "8.9 install PHP"
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```bash
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sudo dnf install php php-cli php-gd php-curl php-zip php-mbstring
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```
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You can check that the installed version corresponds to the expected one:
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=== "9.3 check PHP version"
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```bash
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$ php -v
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PHP 8.3.2 (cli) (built: Jan 16 2024 13:46:41) (NTS gcc x86_64)
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Copyright (c) The PHP Group
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Zend Engine v4.3.2, Copyright (c) Zend Technologies
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with Zend OPcache v8.3.2, Copyright (c), by Zend Technologies
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```
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=== "8.9 check PHP version"
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```bash
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$ php -v
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PHP 7.4.19 (cli) (built: May 4 2021 11:06:37) ( NTS )
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Copyright (c) The PHP Group
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Zend Engine v3.4.0, Copyright (c) Zend Technologies
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with Zend OPcache v7.4.19, Copyright (c), by Zend Technologies
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php -v
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PHP 8.2.28 (cli) (built: Mar 11 2025 17:58:12) (NTS gcc x86_64)
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Copyright (c) The PHP Group
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Zend Engine v4.2.28, Copyright (c) Zend Technologies
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with Zend OPcache v8.2.28, Copyright (c), by Zend Technologies
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```
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### Apache Integration
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This configuration starts with 10 processes.
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In dynamic mode, PHP-FPM starts at *most* the number of processes specified by the` pm.max_children` value. It first starts some processes corresponding to `pm.start_servers`, keeping at least the value of `pm.min_spare_servers` of inactive processes and, at most, `pm.max_spare_servers` of inactive processes.
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In dynamic mode, PHP-FPM starts at *most* the number of processes specified by the`pm.max_children` value. It first starts some processes corresponding to `pm.start_servers`, keeping at least the value of `pm.min_spare_servers` of inactive processes and, at most, `pm.max_spare_servers` of inactive processes.
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Example:
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#### Process status
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Like Apache and its `mod_status` module, PHP-FPM offers a page indicating the process's status.
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Just as with Apache and its `mod_status` module, PHP-FPM offers a page indicating the process's status.
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To activate the page, set its access path with the `pm.status_path` directive:
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