原因:这是由于系统默认会查找/usr/bin下的命令,如果这个命令不在这个目录下,当然会找不到命令,我们需要做的就是映射一个链接到/usr/bin目录下,相当于建立一个链接文件. 首先得知道mysql命令或mysqladmin命令的完整路径,比如mysql的路径是:/usr/local/mysql/bin/mysql,我们则可以这样执行命令: ln -s /usr/local/mysql/bin/mysql /usr/bin…

MySQL报错:The MySQL server is running with the --skip-grant-tables option so it cannot execute this statement等问题 1.登录的mysql:mysql –u root –p mysql> set global read_only=0;(关掉新主库的只读属性) flush privileges; 2.修改mysql配置文件my.cnf,该文件在/etc目录下 重启mysql服务:service…

启动Mysql报错: Another MySQL daemon already running with the same unix socket. 删除如下文件即可解决 /var/lib/mysql/mysql.sock 如果还有/var/lib/mysql/mysql1.sock,/var/lib/mysql/mysql22.sock,则一并删除.…

报错:1130-host...is not allowed to connect to this mysql server 解决方法: 1.改表法 可能是你的账号不允许从远程登录,这个时候只要进入服务器,登入mysql后,更改 “mysql”数据库里的“user”表里的“host”项,从“localhost”改成“%”: mysql -u root -pvmwaremysql>use mysql; mysql>update user set host = '%' where user = 'r…

用python3.6.5创建mysql库时出现如下报错,虽然报错,但是数据库可以插入成功. D:\python3\lib\site-packages\pymysql\cursors.py:170: Warning: (3719, "'utf8' is currently an alias for the character set UTF8MB3, but will be an alias for UTF8MB4 in a future release. Please consider usin…

1044, "Access denied for user 'root'@'192.168.0.%' to database 'test'" 是因为创建这个test数据库时候没有给这个数据库授予被操作权限,所以报错,授权即可 解决: grant all privileges on test.* TO 'root'@'%' identified by 'jenkins@123' with grant option; flush privileges;…

nested exception is org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLNonTransientConnectio…

当输入命令 ~]# systemctl start mysql.service 要启动MySQL数据库是却是这样的提示 Failed to start mysqld.service: Unit not found 解决方法如下: 首先需要安装mariadb-server ~]# yum install -y mariadb-server 启动服务 ~]# systemctl start mariadb.service 添加到开机启动 ~]# systemctl enable mariadb.se…

mysql ERROR 1044 (42000): Access denied for user ''@'localhost' to database异常处理 1.找到find / -name my.cnf这个文件修改[mysqld]字段增加skip-grant-tables 2.启动mysql 3.mysql语句执行: a.use mysql; b.  update user set password=password('123456') WHERE User='root'; c.flush…

# mysql -u root-bash: mysql: command not found 原因:这是由于系统默认会查找/usr/bin下的命令. 如果这个命令不在这个目录下,当然会找不到命令. 我们需要做的就是映射一个链接到/usr/bin目录下,相当于建立一个链接文件. # ln -s /usr/local/mysql/bin/mysql /usr/bin…