问题情况：
zabbix部署完成后，前端初始化时候页面空白。查看web error日志时错误如下：
FastCGI sent in stderr: "PHP message: PHP Warning: require_once(/etc/zabbix/web/maintenance.inc.php): failed to open stream: Permission denied in /app/nginx/html/zabbix/include/classes/core/ZBase.php on line 292
PHP message: PHP Fatal error: require_once(): Failed opening required ‘/etc/zabbix/web/maintenance.inc.php‘ (include_path=‘.:/app/php/lib/php‘) in /app/nginx/html/zabbix/include/classes/core/ZBase.php on line 292" while reading response header from upstream, client: 192.168.0.10, server: localhost, request: "GET /zabbix/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "192.168.0.1"
解决方法：
chmod -R 755 /etc/zabbix/web
原文：http://knowledge92.blog.51cto.com/7143076/1702892