Ubuntu16.04 PHP7 installation and Nginx PHP

nginx PHP common errors

1. Insufficient permissions for php7.0-fpm.sock:

[crit] 3182#3182: *20 connect() to unix:/run/php/php7.0-fpm.sock failed (13: Permission denied)

2. Wrong webroot path:

[error] 3147#3147: *10 FastCGI sent in stderr: "Unable to open primary script: /etc/nginx/html/index.php (No such file or directory)" while reading response header from upstream

PHP7Install

Delete PHP7

apt-get autoremove --purge php7.0 php7.0-cli php7.0-common php7.0-fpm php7.0-gd php7.0-json php7.0-mbstring php7.0-mcrypt php7.0-mcrypt php7.0-mysql php7.0-opcache php7.0-readline php7.0-sqlite3

Install PHP7

apt-get install php7.0 php7.0-cli php7.0-common php7.0-fpm php7.0-gd php7.0-json php7.0-mbstring php7.0-mcrypt php7.0-mcrypt php7.0-mysql php7.0-opcache php7.0-readline php7.0-sqlite3

Modify php .ini

vi /etc/php/7.0/fpm/php.ini

Set cgi.fix_pathinfo = 0

Modify www.conf

vi /etc/php/7.0/fpm/pool.d/www.conf

Change listen.mode = 0660 to listen .mode = 0666

php7.0-fpm.sock default (0660) permissions

$ls -al /run/php/php7.0-fpm.sock
srw-rw----  1 www-data www-data   0 Mar 22 13:17 php7.0-fpm.sock

php7.0-fpm.sock(0666) permissions

$ls -al /run/php/php7.0-fpm.sock
srw-rw-rw-  1 www-data www-data   0 Mar 22 13:17 php7.0-fpm.sock

Restart the system, In this way, the /run/php/php7.0-fpm.sock file will be regenerated according to the 0666 permission

nginx PHP configuration

location ~ \.php$ {
        root /your/web/root/document //必填，否则$document_root会是默认值/etc/nginx/html
        fastcgi_pass   unix:/run/php/php7.0-fpm.sock;
        fastcgi_index  index.php;
        fastcgi_param  SCRIPT_FILENAME $document_root$fastcgi_script_name;
        include        fastcgi_params;
    }

The corresponding error can be found in Nginx See

in the log /var/log/nginx/error.log

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