CentOS7 yum安装LNMP

yum install nginx

# 启用 remi 源
yum install epel-release yum-utils -y
yum install http://rpms.remirepo.net/enterprise/remi-release-7.rpm

# 安装 php
yum-config-manager --enable remi-php72	# 安装 php7.2
yum-config-manager --enable remi-php73	# 安装 php7.3
yum-config-manager --enable remi-php74	# 安装 php7.4

yum install php php-cli php-fpm php-mysql php-mysqlnd php-zip php-devel php-gd php-mcrypt php-mbstring php-curl php-xml php-pear php-bcmath php-json php-redis php-fileinfo

rpm -ivh https://repo.mysql.com/mysql57-community-release-el7-9.noarch.rpm
yum install mysql-server

vim /etc/nginx/nginx.conf

server {
    listen	80;
    server_name localhost;

    location / {
        root /usr/share/nginx/html;
        index index.php;
    }

    location ~ \.php$ {
        root /usr/share/nginx/html;
        fastcgi_split_path_info ^(.+\.php)(/.+)$;
        fastcgi_pass 127.0.0.1:9000;
        fastcgi_index index.php;
        fastcgi_param SCRIPT_FILENAME  $document_root$fastcgi_script_name;
        include fastcgi_params;
    }
}

systemctl start nginx
systemctl start mysqld
systemctl php74-php-fpm

vim /usr/share/nginx/html/index.php

<?php
phpinfo();
?>

vim /etc/php-fpm.d/www.conf

# dynamic：表示php-fpm进程数是动态的，最开始是pm.start_servers指定的数量，如果请求较多，则会自动增加，保证空闲的进程不小于pm.min_spare_servers，如果进程数较多，也会进行清理，保证多余的进程数不会多于pm.max_spare_servers
# static：表示php-fpm进程数是静态的，进程数自始至终都是pm.max_children指定的数量，不再增加或减少
pm = dynamic|static|ondemand

# 慢日志配置
slowlog = /usr/local/var/log/php-fpm.log.slow
request_slowlog_timeout = 15s

vim /etc/php.ini

# POST数据允许的最大大小，值要经upload_max_filesize稍大一点
post_max_size = 100M

# 上传文件的最大大小
upload_max_filesize = 10M

# 超时时间，如果时间到了，文件还没上传完成，也会提示失败
max_execution_time = 90

# 请求的最大传输时间，过短会导致文件还没上传完成传输就会停止了
max_input_time = 90

vim /etc/php.ini
    error_reporting E_ALL & ~E_NOTICE


vim /etc/php-fpm.d/www.conf
    catch_workers_output = yes
    php_admin_value[error_log] = /var/log/php-fpm/www-error.log

如果错误日志没有写入此文件，查看apache用户对/var/log/php-fpm/www-error.log是否有写入权限

www.conf的优先级高于php.ini

vim /etc/php-fpm.d/www.conf
    user = nginx
    group = nginx 
    listen = /dev/shm/php-fpm.sock
    listen.owner = nginx 
    listen.group = nginx 

vim /etc/nginx/nginx.conf
    fastcgi_pass unix:/dev/shm/php-fpm.sock;