sudo tail -f 10 /var/log/maillog warning: SASL: Connect to private/auth failed: No such file or directory fatal: no SASL authentication mechanisms 查看：/etc/dovecot/conf.d/10-master.conf 找到 unix_listener private/auth 修改为：unix_listener /var...

If you have a large WordPress setup or a server with limited resources, then you will often see the “504 Gateway Time-out” error. You can follow the steps given below to increase the timeout value. PHP default is 30s. Changes in php.ini If you w...

github ： https://github.com/maxmind/GeoIP2-php 代码库下载： 链接: https://pan.baidu.com/s/1FDKTrn3Uj3iFClbRPxgwEg 密码: s55k 使用方法： //根据ip获得当前位置信息 use GeoIp2\Database\Reader; function get_ip_location($ip = ''){ if (empty($ip))...

下载：jiaoben4088 演示地址：http://sc.chinaz.com/jiaobendemo.aspx?downloadid=9201672429252