Install PHP-FPM on AlmaLinux 9

Step 1 – Install

dnf install epel-release -y
dnf install -y php php-fpm php-cli php-opcache php-mysqlnd php-mbstring php-xml php-gd
systemctl enable --now php-fpm

Step 2 – Verify

php --version
php-fpm -v 2>/dev/null || php-fpm8.3 -v 2>/dev/null || php-fpm8.2 -v...

Install PHP-FPM on RHEL 9

Step 1 – Install

subscription-manager repos --enable codeready-builder-for-rhel-9-$(arch)-rpms
dnf install -y php php-fpm php-cli php-opcache php-mysqlnd php-mbstring php-xml php-gd
systemctl enable --now php-fpm

Step 2 – Verify

php --version
php-fpm -v 2>/dev/null...

Install PHP-FPM on Ubuntu 24.04

Step 1 – Install

apt update && apt upgrade -y
apt install -y php8.3-fpm php8.3-cli php8.3-opcache php8.3-mysql php8.3-mbstring php8.3-xml php8.3-gd
systemctl enable --now php8.3-fpm

Step 2 – Verify

php --version
php-fpm -v 2>/dev/null || php-fpm8.3 -v 2>/dev/n...

Install PHP-FPM on Debian 12

Step 1 – Install

apt update && apt upgrade -y
apt install -y php8.2-fpm php8.2-cli php8.2-opcache php8.2-mysql php8.2-mbstring php8.2-xml php8.2-gd
systemctl enable --now php8.2-fpm

Step 2 – Verify

php --version
php-fpm -v 2>/dev/null || php-fpm8.3 -v 2>/dev/null...

Install PHP-FPM on Gentoo Linux

Step 1 – Install

# /etc/portage/make.conf: PHP_TARGETS="php8-2"
# USE="fpm opcache mysql"
emerge --ask dev-lang/php
rc-update add php-fpm default && rc-service php-fpm start

Step 2 – Verify

php --version
php-fpm -v 2>/dev/null || php-fpm8.3 -v 2>/dev/null || p...

Install PHP-FPM on Arch Linux

Step 1 – Install

pacman -S --noconfirm php php-fpm
systemctl enable --now php-fpm

Step 2 – Verify

php --version
php-fpm -v 2>/dev/null || php-fpm8.3 -v 2>/dev/null || php-fpm8.2 -v

Step 3 – Key pool settings (/etc/php/php-fpm.d/www.conf)

user  = www-data
g...

Install PHP-FPM on OpenBSD 7.5

Step 1 – Install

pkg_add php php-fpm
rcctl enable php83_fpm && rcctl start php83_fpm

Step 2 – Verify

php --version
php-fpm -v 2>/dev/null || php-fpm8.3 -v 2>/dev/null || php-fpm8.2 -v

Step 3 – Key pool settings (/etc/php-fpm.conf)

user  = www-data
group =...

Install PHP-FPM on NetBSD 10

Step 1 – Install

pkgin install php php-fpm
echo 'php_fpm=YES' >> /etc/rc.conf && service php_fpm start

Step 2 – Verify

php --version
php-fpm -v 2>/dev/null || php-fpm8.3 -v 2>/dev/null || php-fpm8.2 -v

Step 3 – Key pool settings (/usr/pkg/etc/php-fpm.d/www.con...

PHP-FPM Multiple Pools on AlmaLinux 9

Pool directory: /etc/php-fpm.d/

Create /etc/php-fpm.d/site1.conf

[site1]
user  = site1
group = site1
listen = /run/php-fpm/site1.sock
listen.owner = www-data
listen.group = www-data
listen.mode  = 0660
pm = dynamic
pm.max_children      = 10
pm.start_serv...

PHP-FPM Multiple Pools on RHEL 9

Pool directory: /etc/php-fpm.d/

Create /etc/php-fpm.d/site1.conf

[site1]
user  = site1
group = site1
listen = /run/php-fpm/site1.sock
listen.owner = www-data
listen.group = www-data
listen.mode  = 0660
pm = dynamic
pm.max_children      = 10
pm.start_servers...

PHP-FPM Multiple Pools on Ubuntu 24.04

Pool directory: /etc/php/8.3/fpm/pool.d/

Create /etc/php/8.3/fpm/pool.d/site1.conf

[site1]
user  = site1
group = site1
listen = /run/php-fpm/site1.sock
listen.owner = www-data
listen.group = www-data
listen.mode  = 0660
pm = dynamic
pm.max_children...

PHP-FPM Multiple Pools on Debian 12

Pool directory: /etc/php/8.2/fpm/pool.d/

Create /etc/php/8.2/fpm/pool.d/site1.conf

[site1]
user  = site1
group = site1
listen = /run/php-fpm/site1.sock
listen.owner = www-data
listen.group = www-data
listen.mode  = 0660
pm = dynamic
pm.max_children      =...

PHP-FPM Multiple Pools on Gentoo Linux

Pool directory: /etc/php/fpm-php8.2/fpm.d/

Create /etc/php/fpm-php8.2/fpm.d/site1.conf

[site1]
user  = site1
group = site1
listen = /run/php-fpm/site1.sock
listen.owner = www-data
listen.group = www-data
listen.mode  = 0660
pm = dynamic
pm.max_children...

PHP-FPM Multiple Pools on Arch Linux

Pool directory: /etc/php/php-fpm.d/

Create /etc/php/php-fpm.d/site1.conf

[site1]
user  = site1
group = site1
listen = /run/php-fpm/site1.sock
listen.owner = www-data
listen.group = www-data
listen.mode  = 0660
pm = dynamic
pm.max_children      = 10
pm.sta...

PHP-FPM Multiple Pools on OpenBSD 7.5

Pool directory: /etc/php-fpm.d/

Create /etc/php-fpm.d/site1.conf

[site1]
user  = site1
group = site1
listen = /run/php-fpm/site1.sock
listen.owner = www-data
listen.group = www-data
listen.mode  = 0660
pm = dynamic
pm.max_children      = 10
pm.start_serv...

PHP-FPM Multiple Pools on NetBSD 10

Pool directory: /etc/php-fpm.d/

Create /etc/php-fpm.d/site1.conf

[site1]
user  = site1
group = site1
listen = /run/php-fpm/site1.sock
listen.owner = www-data
listen.group = www-data
listen.mode  = 0660
pm = dynamic
pm.max_children      = 10
pm.start_server...

Tune PHP OPcache on AlmaLinux 9

Edit /etc/php.d/10-opcache.ini

opcache.enable=1
opcache.enable_cli=0
opcache.memory_consumption=256
opcache.interned_strings_buffer=16
opcache.max_accelerated_files=20000
opcache.revalidate_freq=60
opcache.validate_timestamps=1
; JIT (PHP 8.x)
opcache.jit=tracing...

Tune PHP OPcache on RHEL 9

Edit /etc/php.d/10-opcache.ini

opcache.enable=1
opcache.enable_cli=0
opcache.memory_consumption=256
opcache.interned_strings_buffer=16
opcache.max_accelerated_files=20000
opcache.revalidate_freq=60
opcache.validate_timestamps=1
; JIT (PHP 8.x)
opcache.jit=tracing
opca...

Tune PHP OPcache on Ubuntu 24.04

Edit /etc/php/8.3/fpm/conf.d/10-opcache.ini

opcache.enable=1
opcache.enable_cli=0
opcache.memory_consumption=256
opcache.interned_strings_buffer=16
opcache.max_accelerated_files=20000
opcache.revalidate_freq=60
opcache.validate_timestamps=1
; JIT (PHP 8.x)
opcac...

Tune PHP OPcache on Debian 12

Edit /etc/php/8.2/fpm/conf.d/10-opcache.ini

opcache.enable=1
opcache.enable_cli=0
opcache.memory_consumption=256
opcache.interned_strings_buffer=16
opcache.max_accelerated_files=20000
opcache.revalidate_freq=60
opcache.validate_timestamps=1
; JIT (PHP 8.x)
opcache....

Tune PHP OPcache on Gentoo Linux

Edit /etc/php/fpm-php8.2/ext-active/opcache.ini

opcache.enable=1
opcache.enable_cli=0
opcache.memory_consumption=256
opcache.interned_strings_buffer=16
opcache.max_accelerated_files=20000
opcache.revalidate_freq=60
opcache.validate_timestamps=1
; JIT (PHP 8.x)
o...

Tune PHP OPcache on Arch Linux

Edit /etc/php/conf.d/opcache.ini

opcache.enable=1
opcache.enable_cli=0
opcache.memory_consumption=256
opcache.interned_strings_buffer=16
opcache.max_accelerated_files=20000
opcache.revalidate_freq=60
opcache.validate_timestamps=1
; JIT (PHP 8.x)
opcache.jit=tracin...

Tune PHP OPcache on OpenBSD 7.5

Edit /etc/php.d/opcache.ini

opcache.enable=1
opcache.enable_cli=0
opcache.memory_consumption=256
opcache.interned_strings_buffer=16
opcache.max_accelerated_files=20000
opcache.revalidate_freq=60
opcache.validate_timestamps=1
; JIT (PHP 8.x)
opcache.jit=tracing
op...

Tune PHP OPcache on NetBSD 10

Edit /etc/php.d/opcache.ini

opcache.enable=1
opcache.enable_cli=0
opcache.memory_consumption=256
opcache.interned_strings_buffer=16
opcache.max_accelerated_files=20000
opcache.revalidate_freq=60
opcache.validate_timestamps=1
; JIT (PHP 8.x)
opcache.jit=tracing
opca...

Tune PHP-FPM Performance on AlmaLinux 9

Estimate pm.max_children

ps -ylC php-fpm --no-headers | awk '{sum+=$8} END {print sum/NR/1024 " MB avg"}'
# Divide available RAM (minus OS+DB) by average size

Recommended dynamic settings

pm = dynamic
pm.max_children      = 50
pm.start_servers     = 1...

Tune PHP-FPM Performance on RHEL 9

Estimate pm.max_children

ps -ylC php-fpm --no-headers | awk '{sum+=$8} END {print sum/NR/1024 " MB avg"}'
# Divide available RAM (minus OS+DB) by average size

Recommended dynamic settings

pm = dynamic
pm.max_children      = 50
pm.start_servers     = 10
pm....

Tune PHP-FPM Performance on Ubuntu 24.04

Estimate pm.max_children

ps -ylC php-fpm --no-headers | awk '{sum+=$8} END {print sum/NR/1024 " MB avg"}'
# Divide available RAM (minus OS+DB) by average size

Recommended dynamic settings

pm = dynamic
pm.max_children      = 50
pm.start_servers     =...

Tune PHP-FPM Performance on Debian 12

Estimate pm.max_children

ps -ylC php-fpm --no-headers | awk '{sum+=$8} END {print sum/NR/1024 " MB avg"}'
# Divide available RAM (minus OS+DB) by average size

Recommended dynamic settings

pm = dynamic
pm.max_children      = 50
pm.start_servers     = 10...

Tune PHP-FPM Performance on Gentoo Linux

Estimate pm.max_children

ps -ylC php-fpm --no-headers | awk '{sum+=$8} END {print sum/NR/1024 " MB avg"}'
# Divide available RAM (minus OS+DB) by average size

Recommended dynamic settings

pm = dynamic
pm.max_children      = 50
pm.start_servers     =...

Tune PHP-FPM Performance on Arch Linux

Estimate pm.max_children

ps -ylC php-fpm --no-headers | awk '{sum+=$8} END {print sum/NR/1024 " MB avg"}'
# Divide available RAM (minus OS+DB) by average size

Recommended dynamic settings

pm = dynamic
pm.max_children      = 50
pm.start_servers     = 10...

Tune PHP-FPM Performance on OpenBSD 7.5

Estimate pm.max_children

ps -ylC php-fpm --no-headers | awk '{sum+=$8} END {print sum/NR/1024 " MB avg"}'
# Divide available RAM (minus OS+DB) by average size

Recommended dynamic settings

pm = dynamic
pm.max_children      = 50
pm.start_servers     = 1...

Tune PHP-FPM Performance on NetBSD 10

Estimate pm.max_children

ps -ylC php-fpm --no-headers | awk '{sum+=$8} END {print sum/NR/1024 " MB avg"}'
# Divide available RAM (minus OS+DB) by average size

Recommended dynamic settings

pm = dynamic
pm.max_children      = 50
pm.start_servers     = 10...