Fedora中允许mysql远程访问,可以使用以下两种方式:a.改表. mysql>use mysql; mysql>update user set host = '%' where user = 'root'; mysql>select host, user from user; b.授权.例如,你想root使用123456从任何主机连接到mysql服务器. mysql>GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY…
直接上方法: 首先配置CentOS下防火墙iptables规则: # vim /etc/sysconfig/iptables 向其中加入下列规则: -A INPUT -m state –state NEW -m tcp -p tcp –dport 22 -j ACCEPT -A INPUT -m state –state NEW -m tcp -p tcp –dport 80 -j ACCEPT -A INPUT -m state –state NEW -m tcp -p tcp –dport…
PHP中实现MySQL嵌套事务的两种解决方案 一.问题起源 在MySQL的官方文档中有明确的说明不支持嵌套事务: Transactions cannot be nested. This is a consequence of the implicit commit performed for any current transaction when you issue a START TRANSACTION statement or one of its synonyms. 但是在我们开发一个复…