slickstack / Tickets / #64 [php-fpm] - Issue on a dedimax with ubuntu Focal Fossa (20.04 LTS) -

Originally posted by: gabrielstuff

Hello,
From what I read:

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;; author: SlickStack ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;; link: https://slickstack.io ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;; mirror: http://mirrors.slickstack.io/php-fpm/php-ini.txt ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;; path: n/a (boilerplate) ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;; destination: /etc/php/7.4/fpm/php.ini (after install) ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;; purpose: PHP (ini) configuration file boilerplate optimized for SlickStack servers ;;;;;;;;;;;;
;;;; module version: PHP-FPM 7.4.x ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

[PHP]

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;; PHP.ini: Language Options Settings ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

;; some items hardcoded for stability and security reasons, compression is done by Nginx ;;
;; be sure to disable risky PHP functions on more interactive WordPress websites ;;

engine = On
short_open_tag = Off
precision = 14
output_buffering = 4096
zlib.output_compression = Off
implicit_flush = Off
unserialize_callback_func =
unserialize_max_depth = 4096 ;; PHP 7.4+
serialize_precision = -1
disable_functions =
disable_classes =
zend.enable_gc = On
zend.exception_ignore_args = On ;; PHP 7.4+

;; open_basedir = /var/www
;; output_handler =
;; url_rewriter.tags
;; url_rewriter.hosts
;; zlib.output_compression_level = -1
;; zlib.output_handler =
;; highlight.string  = #DD0000
;; highlight.comment = #FF9900
;; highlight.keyword = #007700
;; highlight.default = #0000BB
;; highlight.html    = #000000
;; ignore_user_abort = On
;; realpath_cache_size = 4096k
;; realpath_cache_ttl = 120
;; zend.multibyte = Off
;; zend.script_encoding =

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;; PHP.ini: Resource Limits Settings ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

;; beware of extremely bloated WordPress themes (or plugins) that tell you to modify these ;;
;; in most cases properly coded projects should not require high resource limits ;;

max_execution_time = 60
max_input_time = 60
max_input_nesting_level = 64
max_input_vars = 5000
memory_limit = 512M

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;; PHP.ini: Error Handling + Logging Settings ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

;; error handling is mostly hardcoded in SlickStack to avoid conflicts and resource abuse ;;
;; for detailed debugging enable WP_DEBUG in WordPress to log all PHP error levels ;;

error_reporting = E_ERROR | E_WARNING | E_PARSE ;; enabling WP_DEBUG changes this to E_ALL
display_errors = Off
display_startup_errors = Off
log_errors = On
error_log = /var/www/logs/error.log
log_errors_max_len = 1024
ignore_repeated_errors = On
ignore_repeated_source = Off
report_memleaks = On
xmlrpc_errors = 0
html_errors = Off

;; report_zend_debug = 0
;; xmlrpc_error_number = 0

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;; PHP.ini: Data Handling Settings ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

;; modifying most of these settings would cause the sky to fall so they are hardcoded ;;
;; post_max_size can usually be set quite high for non-interactive websites ;;

variables_order = "GPCS"
request_order = "GP"
register_argc_argv = Off
auto_globals_jit = On
post_max_size = 512M
auto_prepend_file =
auto_append_file =
default_mimetype = "text/html"
default_charset = "UTF-8"

;; arg_separator.output = "&amp;"
;; arg_separator.input = ";&"
;; enable_post_data_reading = Off
;; internal_encoding =
;; input_encoding =
;; output_encoding =

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;; PHP.ini: Paths and Directories Settings ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

;; most of these paths are irrelevant and/or are hardcoded for LEMP security reasons ;;
;; since SlickStack runs PHP-FPM on Nginx there is no reason to modify these ;;

doc_root =
user_dir =
sys_temp_dir = "/tmp"
enable_dl = Off
cgi.force_redirect = 1

;; extension_dir = "./"
;; cgi.nph = 1
;; cgi.redirect_status_env =
;; cgi.fix_pathinfo=1
;; cgi.discard_path=1
;; fastcgi.impersonate = 1
;; fastcgi.logging = 0
;; cgi.rfc2616_headers = 0
;; cgi.check_shebang_line=1

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;; PHP.ini: File Uploads Settings ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

;; for stability reasons SlickStack hardcodes the temp directory used by PHP (WordPress) ;;
;; these file upload limits are more relevant to WP communities with many users ;;

file_uploads = On
upload_tmp_dir = /var/www/html/wp-content/temp
upload_max_filesize = 512M
max_file_uploads = 100

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;; PHP.ini: Fopen Wrappers Settings ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

;; lots of rumors still exist about allow_url_fopen security but generally it is safe ;;
;; however allow_url_include is not very safe and is disabled on SlickStack ;;

allow_url_fopen = On
allow_url_include = Off
default_socket_timeout = 60
auto_detect_line_endings = Off

;; from="john@doe.com"
;; user_agent="PHP"

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;; PHP.ini: Dynamic Extensions Settings ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

;; because the LEMP environment for SlickStack is managed most of these are not needed ;;
;; common PHP extensions are already bundled with the SlickStack installation ;;

;; extension=bz2
;; extension=curl
;; extension=ffi ;; PHP 7.4+
;; extension=fileinfo
;; extension=gd2
;; extension=gettext
;; extension=gmp
;; extension=intl
;; extension=imap
;;;; extension=interbase ;; removed in PHP 7.4
;; extension=ldap
;; extension=mbstring
;; extension=exif ;; must be after mbstring as it depends on it ;;
;; extension=mysqli
;; extension=oci8_12c
;; extension=odbc
;; extension=openssl
;; extension=pdo_firebird
;; extension=pdo_mysql
;; extension=pdo_oci
;; extension=pdo_odbc
;; extension=pdo_pgsql
;; extension=pdo_sqlite
;; extension=pgsql
;; extension=shmop
;; extension=snmp
;; extension=soap
;; extension=sockets
;; extension=sqlite3
;; extension=tidy
;; extension=xmlrpc
;; extension=xsl

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;; PHP.ini: Various Module Settings ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

;; there is really no need for modifying these settings so they are hardcoded below ;;
;; keep in mind that the Interbase module will be unsupported after PHP 7.4 ;;

[CLI Server]
cli_server.color = On

[Date]
;; date.timezone =
;; date.default_latitude = 31.7667
;; date.default_longitude = 35.2333
;; date.sunrise_zenith = 90.583333
;; date.sunset_zenith = 90.583333

[filter]
;; filter.default = unsafe_raw
;; filter.default_flags =

[iconv]
;; iconv.input_encoding =
;; iconv.internal_encoding =
;; iconv.output_encoding =

[imap]
;; imap.enable_insecure_rsh=0

[intl]
;; intl.default_locale =
;; intl.error_level = E_WARNING
;; intl.use_exceptions = 0

[sqlite3]
;; sqlite3.extension_dir =
;; sqlite3.defensive = 1

[Pcre]
;; pcre.backtrack_limit=100000
;; pcre.recursion_limit=100000
;; pcre.jit=1

[Pdo]
;; pdo_odbc.connection_pooling=strict
;; pdo_odbc.db2_instance_name

[Pdo_mysql]
;;;; pdo_mysql.cache_size = 2000 ;; removed in PHP 7.4??
pdo_mysql.default_socket=

[Phar]
;; phar.readonly = On
;; phar.require_hash = On
;; phar.cache_list =

[mail function]
SMTP = localhost
smtp_port = 25
;; sendmail_from = me@example.com
;; sendmail_path =
;; mail.force_extra_parameters =
mail.add_x_header = Off
;; mail.log = syslog

[ODBC]
;; odbc.default_db = Not yet implemented
;; odbc.default_user = Not yet implemented
;; odbc.default_pw = Not yet implemented
;; odbc.default_cursortype
odbc.allow_persistent = On
odbc.check_persistent = On
odbc.max_persistent = -1
odbc.max_links = -1
odbc.defaultlrl = 4096
odbc.defaultbinmode = 1
;;;; birdstep.max_links = -1 ;; remove in PHP 7.4??

;;;; [Interbase] ;; MODULE REMOVED IN PHP 7.4
;;;; ibase.allow_persistent = 1
;;;; ibase.max_persistent = -1
;;;; ibase.max_links = -1
;;;; ibase.default_db =
;;;; ibase.default_user =
;;;; ibase.default_password =
;;;; ibase.default_charset =
;;;; ibase.timestampformat = "%Y-%m-%d %H:%M:%S"
;;;; ibase.dateformat = "%Y-%m-%d"
;;;; ibase.timeformat = "%H:%M:%S"

[MySQLi]
mysqli.max_persistent = -1
;; mysqli.allow_local_infile = On
mysqli.allow_persistent = On
mysqli.max_links = -1
mysqli.cache_size = 2000 ;; remove in PHP 7.4??
mysqli.default_port = 3306
mysqli.default_socket =
mysqli.default_host =
mysqli.default_user =
mysqli.default_pw =
mysqli.reconnect = Off

[mysqlnd]
mysqlnd.collect_statistics = On
mysqlnd.collect_memory_statistics = Off
;; mysqlnd.debug =
;; mysqlnd.log_mask = 0
;; mysqlnd.mempool_default_size = 16000
;; mysqlnd.net_cmd_buffer_size = 2048
;; mysqlnd.net_read_buffer_size = 32768
;; mysqlnd.net_read_timeout = 31536000
;; mysqlnd.sha256_server_public_key =

[OCI8]
;; oci8.privileged_connect = Off
;; oci8.max_persistent = -1
;; oci8.persistent_timeout = -1
;; oci8.ping_interval = 60
;; oci8.connection_class =
;; oci8.events = Off
;; oci8.statement_cache_size = 20
;; oci8.default_prefetch = 100
;; oci8.old_oci_close_semantics = Off

[PostgreSQL]
pgsql.allow_persistent = On
pgsql.auto_reset_persistent = Off
pgsql.max_persistent = -1
pgsql.max_links = -1
pgsql.ignore_notice = 0
pgsql.log_notice = 0

[bcmath]
bcmath.scale = 0

[browscap]
;; browscap = extra/browscap.ini

[Session]
session.save_handler = files
;; session.save_path = "/tmp"
session.use_strict_mode = 0
session.use_cookies = 1
;; session.cookie_secure =
session.use_only_cookies = 1
session.name = PHPSESSID
session.auto_start = 0
session.cookie_lifetime = 0
session.cookie_path = /
session.cookie_domain =
session.cookie_httponly =
session.cookie_samesite = ;; PHP 7.4+
session.serialize_handler = php
session.gc_probability = 1
session.gc_divisor = 1000
session.gc_maxlifetime = 1440
session.referer_check =
session.cache_limiter = nocache
session.cache_expire = 180
session.use_trans_sid = 0
session.sid_length = 26
session.trans_sid_tags = "a=href,area=href,frame=src,form="
;; session.trans_sid_hosts=""
session.sid_bits_per_character = 5
;; session.upload_progress.enabled = On
;; session.upload_progress.cleanup = On
;; session.upload_progress.prefix = "upload_progress_"
;; session.upload_progress.name = "PHP_SESSION_UPLOAD_PROGRESS"
;; session.upload_progress.freq =  "1%"
;; session.upload_progress.min_freq = "1"
;; session.lazy_write = On

[Assertion]
zend.assertions = -1
;; assert.active = On
;; assert.exception = On
;; assert.warning = On
;; assert.bail = Off
;; assert.callback = 0
;; assert.quiet_eval = 0

[COM]
;; com.typelib_file =
;; com.allow_dcom = true
;; com.autoregister_typelib = true
;; com.autoregister_casesensitive = false
;; com.autoregister_verbose = true
;; com.code_page=

[mbstring]
;; mbstring.language = Japanese
;; mbstring.internal_encoding =
;; mbstring.http_input =
;; mbstring.http_output =
;; mbstring.encoding_translation = Off
;; mbstring.detect_order = auto
;; mbstring.substitute_character = none
;; mbstring.func_overload = 0
;; mbstring.strict_detection = On
;; mbstring.http_output_conv_mimetype=
;; mbstring.regex_stack_limit=100000 ;; PHP 7.4+
;; mbstring.regex_retry_limit=1000000 ;; PHP 7.4+

[gd]
;; gd.jpeg_ignore_warning = 1

[exif]
;; exif.encode_unicode = ISO-8859-15
;; exif.decode_unicode_motorola = UCS-2BE
;; exif.decode_unicode_intel = UCS-2LE
;; exif.encode_jis =
;; exif.decode_jis_motorola = JIS
;; exif.decode_jis_intel = JIS

[Tidy]
;; tidy.default_config = /usr/local/lib/php/default.tcfg
tidy.clean_output = Off

[soap]
soap.wsdl_cache_enabled=1
soap.wsdl_cache_dir="/tmp"
soap.wsdl_cache_ttl=86400
soap.wsdl_cache_limit = 5

[sysvshm]
;; sysvshm.init_mem = 10000

[ldap]
ldap.max_links = -1

[dba]
;; dba.default_handler=

[curl]
;; curl.cainfo =

[openssl]
;; openssl.cafile=
;; openssl.capath=

[ffi] ;; PHP 7.4+
;; ffi.enable=preload
;; ffi.preload=

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;; PHP.ini: OPcache Module Settings ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

;; for stability reasons certain OPcache settings like validate_timestamps are hardcoded ;;

;; opcache.use_cwd = should enable to avoid collisions between similar file names ;;
;; opcache.validate_timestamps = should enable to avoid having to manually purge OPcache ;;
;; opcache.revalidate_freq = how often should OPcache check files for new code ;;
;; opcache.revalidate_path = should disable (overkill) ;;
;; opcache.save_comments = should enable since PHP comments are helpful ;;
;; opcache.consistency_checks = should disable to improve performance (overkill) ;;
;; opcache.enable_file_override = enable for better performance ;;
;; opcache.validate_permission = should disable since SlickStack is not shared hosting ;;
;; opcache.validate_root = should disable since SlickStack is not shared hosting ;;

;; opcache.file_cache_only = should be disabled on PHP-FPM server config ;;

[opcache]
opcache.enable=1
opcache.enable_cli=1
opcache.memory_consumption=256
opcache.interned_strings_buffer=64
opcache.max_accelerated_files=10000
opcache.max_wasted_percentage=5
opcache.use_cwd=1
opcache.validate_timestamps=1
opcache.revalidate_freq=2
opcache.revalidate_path=0
opcache.save_comments=1
opcache.enable_file_override=1
opcache.consistency_checks=0
opcache.error_log=/var/www/logs/error.log
opcache.log_verbosity_level=1

;opcache.file_cache=/var/www/cache/opcache
;opcache.file_cache_only=0
;opcache.file_cache_consistency_checks=1

;opcache.file_cache_fallback=1
;; opcache.cache_id= ;; PHP 7.4+
;; opcache.preload= ;; PHP 7.4+
;; opcache.preload_user= ;; PHP 7.4+
;; opcache.file_update_protection=2 ;; PHP 7.4+
;; opcache.lockfile_path=/tmp ;; PHP 7.4+
opcache.huge_code_pages=0
opcache.validate_permission=0
opcache.validate_root=0

;; opcache.optimization_level=0xffffffff
;;;; opcache.inherited_hack=1 ;; removed in PHP 7.4
;; opcache.dups_fix=0
;; opcache.blacklist_filename=
;; opcache.max_file_size=0
;; opcache.force_restart_timeout=180
;; opcache.preferred_memory_model=
;; opcache.protect_memory=0
;; opcache.restrict_api=
;; opcache.mmap_base=
;; opcache.opt_debug_level=0

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;; PHP.ini: Miscellaneous Settings ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

expose_php = Off

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;; External References Used By SlickStack To Improve This Script (Thanks, Interwebz) ;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

;; Ref: https://github.com/php/php-src/blob/php-7.2.24/php.ini-production
;; Ref: https://www.php.net/manual/en/configuration.file.php
;; Ref: https://www.php.net/manual/en/errorfunc.configuration.php
;; Ref: https://mediatemple.net/community/products/grid/204643900/why-is-allow_url_fopen-disabled-on-the-grid
;; Ref: https://codex.wordpress.org/Editing_wp-config.php#Configure_Error_Logging
;; Ref: https://www.owasp.org/index.php/PHP_Configuration_Cheat_Sheet#php.ini
;; Ref: https://www.alibabacloud.com/help/faq-detail/50218.htm
;; Ref: https://www.debyum.com/top-10-php-security-best-practices/
;; Ref: https://www.eukhost.com/blog/webhosting/dangerous-php-functions-must-be-disabled/
;; Ref: https://www.reddit.com/r/lolphp/comments/41gkss/the_existence_of_the_precision_ini_setting_php/
;; Ref: https://alanstorm.com/php-meminfo-and-memory-leaks/
;; Ref: https://serverfault.com/questions/574880/nginx-php-fpm-error-logging
;; Ref: https://stackoverflow.com/questions/24049534/is-allow-url-fopen-safe/24049626#24049626
;; Ref: https://patrickkerrigan.uk/blog/php-opcache-file-cache/
;; Ref: https://ckon.wordpress.com/2015/09/18/php7-opcache-performance/
;; Ref: https://www.getpagespeed.com/server-setup/linux-huge-pages-and-web-performance
;; Ref: https://forum.directadmin.com/showthread.php?t=55111
;; Ref: https://docs.moodle.org/29/en/OPcache
;; Ref: https://stackoverflow.com/questions/25747174/opcache-revalidate-freq-config-in-php-ini
;; Ref: https://stackoverflow.com/questions/23382615/apc-apcu-opcache-performance-poor
;; Ref: https://ma.ttias.be/mitigating-phps-long-standing-issue-opcache-leaking-sensitive-data/
;; Ref: https://medium.com/appstract/make-your-laravel-app-fly-with-php-opcache-9948db2a5f93
;; Ref: https://www.lowendtalk.com/discussion/138890/php7-2-opcache-file-cache-multiple-php-fpm-pool-owners
;; Ref: https://github.com/symfony/flex/issues/386
;; Ref: https://stackoverflow.com/questions/6858432/disable-garbage-collection
;; Ref: https://stackoverflow.com/questions/25363864/zlib-output-compression-and-output-buffering
;; Ref: http://www.tutorialsscripts.com/php-ini-tutorials/php-ini-unserialize_callback_func.php
;; Ref: https://salsa.debian.org/php-team/php/blob/bd37595a1059785f7ad177b0b208b3d7e515dc50/UPGRADING
;; Ref: https://wordpress.stackexchange.com/questions/19689/wp-debug-is-not-set-but-im-still-getting-warnings
;; Ref: https://stackoverflow.com/questions/1308379/how-can-i-stop-php-notices-from-appearing-in-wordpress
;; Ref: https://stackoverflow.com/questions/1955079/difference-between-error-reporting-and-ini-seterror-reporting
;; Ref: https://codex.wordpress.org/WP_DEBUG
;; Ref: https://wordpress.org/support/article/editing-wp-config-php/#configure-error-logging
;; Ref: https://wycks.wordpress.com/2013/12/05/how-to-remove-error-notices-using-wordpresss-wp_debug/
;; Ref: https://raygun.com/blog/php-error-reporting/
;; Ref: https://www.codeclouds.com/blog/php7-error-reporting-a-2019-developers-guide/
;; Ref: https://forums.cubecart.com/topic/50862-resolved-error-establishing-a-database-connection/
;; Ref: https://phoenixnap.com/kb/php-error-reporting
;; Ref: http://php.net/manual/en/function.error-reporting.php
;; Ref: https://stackoverflow.com/questions/25044817/zend-opcache-opcache-enable-cli-1-or-0-what-does-it-do

It all looks clean. Will soon deploy an other slickstack, and will update.

Originally posted by: damiafaw

My php-fpm fails to start on reboot each time - recent server of the last week or two, built from scratch, SS_BUILD="DEC2020A"
Was this issue resolved - thjis is after a reboot and PHP failed to start - I had to create the directory /run/php/ before it would start....but issue happens after every reboot and have to redo again.
Is it related to rsync? checking status on rsync shows

service rsync status
● rsync.service - fast remote file copy program daemon
Loaded: loaded (/lib/systemd/system/rsync.service; enabled; vendor preset: enabled)
Active: inactive (dead)
Condition: start condition failed at Mon 2020-12-14 23:59:42 AEDT; 10min ago
└─ ConditionPathExists=/etc/rsyncd.conf was not met
Docs: man:rsync(1)
man:rsyncd.conf(5)
Dec 14 23:59:42 XXXXXXXX systemd[1]: Condition check resulted in fast remote file copy program daemon being skipped.

XXXXXXXX@XXXXXXXX:~$ service php7.4-fpm status
● php7.4-fpm.service - The PHP 7.4 FastCGI Process Manager
Loaded: loaded (/lib/systemd/system/php7.4-fpm.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Mon 2020-12-14 23:59:43 AEDT; 11s ago
Docs: man:php-fpm7.4(8)
Process: 599 ExecStart=/usr/sbin/php-fpm7.4 --nodaemonize --fpm-config /etc/php/7.4/fpm/php-fpm.conf (code=exited, status=78)
Process: 668 ExecStopPost=/usr/lib/php/php-fpm-socket-helper remove /run/php/php-fpm.sock /etc/php/7.4/fpm/pool.d/www.conf 74 (code=exited, status=0/SUCCES>
Main PID: 599 (code=exited, status=78)

root@XXXXXXXX:~# journalctl -xe
Dec 15 00:01:00 XXXXXXXXX systemd[1]: Starting The PHP 7.4 FastCGI Process Manager...
-- Subject: A start job for unit php7.4-fpm.service has begun execution
-- Defined-By: systemd
-- A start job for unit php7.4-fpm.service has begun execution.
-- The job identifier is 571.
Dec 15 00:01:00 XXXXXXXXX php-fpm7.4[2305]: [15-Dec-2020 00:01:00] ERROR: Unable to create the PID file (/run/php/php7.4-fpm.pid).: No such file or directory
Dec 15 00:01:00 XXXXXXXXX php-fpm7.4[2305]: [15-Dec-2020 00:01:00] ERROR: FPM initialization failed
Dec 15 00:01:00 XXXXXXXXX systemd[1]: php7.4-fpm.service: Main process exited, code=exited, status=78/CONFIG
-- Subject: Unit process exited
-- Defined-By: systemd
-- An ExecStart= process belonging to unit php7.4-fpm.service has exited.
-- The process' exit code is 'exited' and its exit status is 78.
Dec 15 00:01:00 XXXXXXXXX systemd[1]: php7.4-fpm.service: Failed with result 'exit-code'.
-- Subject: Unit failed
-- Defined-By: systemd
-- The unit php7.4-fpm.service has entered the 'failed' state with result 'exit-code'.
Dec 15 00:01:00 XXXXXXXXX systemd[1]: Failed to start The PHP 7.4 FastCGI Process Manager.
-- Subject: A start job for unit php7.4-fpm.service has failed
-- Defined-By: systemd
-- A start job for unit php7.4-fpm.service has finished with a failure.
-- The job identifier is 571 and the job result is failed.

root@XXXXXXXXX:~# mkdir /run/php/

[php-fpm] - Issue on a dedimax with ubuntu Focal Fossa (20.04 LTS) -

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#64 [php-fpm] - Issue on a dedimax with ubuntu Focal Fossa (20.04 LTS) -

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