Centos7中php7.4安装，附配置文件及常用命令

1、配置安装资源

yum -y install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
 yum -y install https://rpms.remirepo.net/enterprise/remi-release-7.rpm
yum install https://rpms.remirepo.net/enterprise/remi-release-7.rpm	
sudo yum -y install yum-utils
sudo yum-config-manager --enable remi-php74
sudo yum update

#启用PHP remi-7.4模块后，即可使用以下命令继续并安装PHP。 这还将安装许多其他软件包，例如Apache和Nginx模块。

yum -y install php php-cli php-common php-fpm  php-mysql php-cgi php-mbstring php-gd php-process php-mcrypt php-soap libjpeg* php-pear php-xml php-devel php-memcached php-redis php-gearman php-pecl-mongodb
#yum -y install gearmand libgearman-devel
#yum  -y install redis memcached

4、设置环境
#要检查已安装的PHP版本，请运行命令。

php -v

#设置开机启动、运行服务：

systemctl enable php-fpm
systemctl start php-fpm

#其他服务参考命令

systemctl restart php-fpm		#重启
systemctl start php-fpm			#启动
systemctl stop php-fpm			#关闭
systemctl status php-fpm		#检查状态

5、相关辅助

http管理

systemctl start httpd #启动apache服务器
systemctl stop httpd #关闭apache服务器
systemctl enable httpd	#设置开机自动启动
systemctl status httpd.service	#检查httpd服务状态

附配置文件

php-fpm.conf

;;;;;;;;;;;;;;;;;;;;;
; FPM Configuration ;
;;;;;;;;;;;;;;;;;;;;;

; All relative paths in this configuration file are relative to PHP's install
; prefix.

; Include one or more files. If glob(3) exists, it is used to include a bunch of
; files from a glob(3) pattern. This directive can be used everywhere in the
; file.
include=/etc/php-fpm.d/*.conf

;;;;;;;;;;;;;;;;;;
; Global Options ;
;;;;;;;;;;;;;;;;;;

[global]
; pid设置，建议开启
; Pid file
; Default Value: none
pid = /run/php-fpm/php-fpm.pid

; 错误日志
; Error log file
; If it's set to "syslog", log is sent to syslogd instead of being written
; in a local file.
; Default Value: /var/log/php-fpm.log
error_log = /var/log/php-fpm/error.log

; syslog_facility is used to specify what type of program is logging the
; message. This lets syslogd specify that messages from different facilities
; will be handled differently.
; See syslog(3) for possible values (ex daemon equiv LOG_DAEMON)
; Default Value: daemon
;syslog.facility = daemon

; syslog_ident is prepended to every message. If you have multiple FPM
; instances running on the same server, you can change the default value
; which must suit common needs.
; Default Value: php-fpm
;syslog.ident = php-fpm

; Log level
; Possible Values: alert, error, warning, notice, debug
; Default Value: notice
; 错误级别
; 可用级别为: alert（必须立即处理）, error（错误情况）, warning（警告情况）, notice（一般重要信息）, debug（调试信息）. 默认: notice.
;log_level = notice

; Log limit on number of characters in the single line (log entry). If the
; line is over the limit, it is wrapped on multiple lines. The limit is for
; all logged characters including message prefix and suffix if present. However
; the new line character does not count into it as it is present only when
; logging to a file descriptor. It means the new line character is not present
; when logging to syslog.
; Default Value: 1024
;log_limit = 4096

; Log buffering specifies if the log line is buffered which means that the
; line is written in a single write operation. If the value is false, then the
; data is written directly into the file descriptor. It is an experimental
; option that can potentionaly improve logging performance and memory usage
; for some heavy logging scenarios. This option is ignored if logging to syslog
; as it has to be always buffered.
; Default value: yes
;log_buffering = no

; If this number of child processes exit with SIGSEGV or SIGBUS within the time
; interval set by emergency_restart_interval then FPM will restart. A value
; of '0' means 'Off'.
; Default Value: 0
;emergency_restart_threshold = 0

; Interval of time used by emergency_restart_interval to determine when
; a graceful restart will be initiated.  This can be useful to work around
; accidental corruptions in an accelerator's shared memory.
; Available Units: s(econds), m(inutes), h(ours), or d(ays)
; Default Unit: seconds
; Default Value: 0
; 表示在emergency_restart_interval所设值内出现SIGSEGV或者SIGBUS错误的php-cgi进程数如果超过 emergency_restart_threshold个，php-fpm就会优雅重启。这两个选项一般保持默认值。
;emergency_restart_interval = 0

; Time limit for child processes to wait for a reaction on signals from master.
; Available units: s(econds), m(inutes), h(ours), or d(ays)
; Default Unit: seconds
; Default Value: 0
; 设置子进程接受主进程复用信号的超时时间. 可用单位: s(秒), m(分), h(小时), 或者 d(天) 默认单位: s(秒). 默认值: 0.
;process_control_timeout = 0

; The maximum number of processes FPM will fork. This has been designed to control
; the global number of processes when using dynamic PM within a lot of pools.
; Use it with caution.
; Note: A value of 0 indicates no limit
; Default Value: 0
;process.max = 128

; Specify the nice(2) priority to apply to the master process (only if set)
; The value can vary from -19 (highest priority) to 20 (lowest priority)
; Note: - It will only work if the FPM master process is launched as root
;       - The pool process will inherit the master process priority
;         unless specified otherwise
; Default Value: no set
;process.priority = -19

; 后台执行fpm
; Send FPM to background. Set to 'no' to keep FPM in foreground for debugging.
; Default Value: yes
; 默认值为yes，如果为了调试可以改为no。在FPM中，可以使用不同的设置来运行多个进程池。 这些设置可以针对每个进程池单独设置。
daemonize = yes

; Set open file descriptor rlimit for the master process.
; Default Value: system defined value
;rlimit_files = 1024

; Set max core size rlimit for the master process.
; Possible Values: 'unlimited' or an integer greater or equal to 0
; Default Value: system defined value
;rlimit_core = 0

; Specify the event mechanism FPM will use. The following is available:
; - select     (any POSIX os)
; - poll       (any POSIX os)
; - epoll      (linux >= 2.5.44)
; Default Value: not set (auto detection)
;events.mechanism = epoll

; When FPM is built with systemd integration, specify the interval,
; in seconds, between health report notification to systemd.
; Set to 0 to disable.
; Available Units: s(econds), m(inutes), h(ours)
; Default Unit: seconds
; Default value: 10
;systemd_interval = 10

;;;;;;;;;;;;;;;;;;;;
; Pool Definitions ;
;;;;;;;;;;;;;;;;;;;;

; Multiple pools of child processes may be started with different listening
; ports and different management options.  The name of the pool will be
; used in logs and stats. There is no limitation on the number of pools which
; FPM can handle. Your system will tell you anyway :)

; See /etc/php-fpm.d/*.conf

常用命令

1、查找安装包：

rpm -qa | grep 'php'

2、找到某个包位置 rpm -ql <包全名>
#如查找php-fpm-7.4.7-1.el8.remi.x86_64安装位置

rpm -ql php-fpm-7.4.7-1.el8.remi.x86_64

3、查看php.ini应当存放的路径

php -i | grep ini

#直接查找

php -i | grep php.ini

4、有关错误的配置：
error_log 错误日志的生成目录（~/etc/php-fpm.conf）
error_reporting 生产环境错误级别应全开（~/lib/php.ini）
display_errors 在页面上不显示错误（~/lib/php.ini）
log_errors 开启错误日志（~/lib/php.ini）