PHP

# Install PHP extensions (add php8.3 on the list in case it's not (pre)installed).

apt install php8.3 php8.3-fpm php8.3-cli php8.3-common php8.3-curl php8.3-gd php8.3-mbstring php8.3-mysql php8.3-opcache php8.3-readline php8.3-sqlite3 php8.3-xml php8.3-zip php8.3-apcu

# Configure APCu cache. Create '20-apcu.ini' file in case it does not exist.

nano -w /etc/php/8.3/fpm/conf.d/20-apcu.ini

# Place this there, for instance.
  
  apc.shm_size="96M"

# Set resources and timezone values for FPM.

nano -w /etc/php/8.3/fpm/conf.d/60-custom.ini

# Enter desired values there, for instance:

; Maximum amount of memory a script may consume. Default is 128M
memory_limit = 1G

; Maximum allowed size for uploaded files. Default is 2M.

upload_max_filesize = 260M

; Maximum size of POST data that PHP will accept. Default is 2M.

post_max_size = 280M

; The OPcache shared memory storage size. Default is 128

opcache.memory_consumption=256

; The amount of memory for interned strings in Mbytes. Default is 8.

opcache.interned_strings_buffer=32

; Set actual timezone.

date.timezone = [your_timezone_string]

# Set timezone to CLI php.

nano -w /etc/php/8.3/cli/conf.d/60-custom.ini

; Set actual timezone.

date.timezone = Europe/Amsterdam