用户权限问题:https://blog.csdn.net/weixin_43670802/article/details/103019598 Linux下修改Mysql默认的3306端口 如下: 1.登录Mysql后,查看当前端口 mysql> show global variables like 'port'; +---------------+-------+ | Variable_name | Value | +---------------+-------+ | port | 3306
linux suse11在terminal可以正常登录进行各种操作,在tomcat运行jdbc web程序异常: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failureThe last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packe
mysql 修改端口 1. 停止mysql服务 2. 打开文件夹下my.ini文件.(E:\mysql-5.7-3307) 修改文件中的port值,注意两个地方: [client]default-character-set = utf8mb4port = 3307 [mysqld] basedir = E:\mysql-5.7-3307datadir = E:\mysql-5.7-3307\dataport = 3307 # For advice on how to change setti
1.安装插件 # tar xvf nagios-plugins-1.4.13.tar.gz # cd nagios-plugins-1.4.13 # ./configure # make && make install 2.安装客户端 # tar xvf nrpe-2.12.tar.gz # cd nrpe-2.12 # ./configure # make all # make install-plugin cd ./src/ && make install-plugin
discard connection com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 1,210,878 milliseconds ago. The last packet sent successfully to the server was 0 millis