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整理了一些FreeBSD 环境下Mysql问题的解决方法,供大家参考!1 修改root用户的密码时出现错误:# mysqladmin -uroot -p password "newpassword"Enter password:mysqladmin: connect to server at "localhost" failederror: "Access denied for user "root"@"localhost" (using password: YES)"解决方案# /etc/init.d/mysql stop# mysqld_safe --user=mysql --skip-grant-tables --skip-networking &# mysql -u root mysqlmysql> UPDATE user SET Password=PASSWORD("newpassword") where USER="root";mysql> FLUSH PRIVILEGES;mysql> quit# /etc/init.d/mysql restart# mysql -uroot -pEnter password: <输入新设的密码newpassword>mysql>问题解决哈!2 启动Mysql时失败提示Can’t connect to local MySQL server through socket转载:http://pchome.blog.enorth.com.cn/article/221219.shtml没有进行test。启动mysql 报错:ERROR 2002 (HY000): Can’t connect to local MySQL server through socket ‘/var/lib/mysql/mysql.sock’ (2)1、先查看 /etc/rc.d/init.d/mysqld status 看看m y s q l 是否已经启动.另外看看是不是权限问题.2、确定你的mysql.sock是不是在那个位置,mysql -u 你的mysql用户名 -p -S /var/lib/mysql/mysql.sock3、试试:service mysqld start4、如果是权限问题,则先改变权限 #chown -R mysql:mysql /var/lib/mysql[root@localhost ~]# /etc/init.d/mysqld start启动 MySQL: [ 确定 ][root@localhost ~]# mysql -uroot -pERROR 2002 (HY000): Can"t connect to local MySQL server through socket "/var/lib/mysql/mysql.sock" (2)原因是,/var/lib/mysql 的访问权限问题。shell> chown -R mysql:mysql /var/lib/mysql接着启动服务器shell> /etc/init.d/mysql start服务器正常启动后察看 /var/lib/mysql 自动生成mysql.sock文件。但是我的问题仍然没有得到解决。问题终于解决:方法: 修改/etc/my.conf:[mysqld] datadir=/usr/local/mysql/data socket=/var/lib/mysql/mysql.sock[mysql.server] user=mysql basedir=/usr/local/mysqlIf there is not currently a section called [client], add one at the bottom of the file and copy the socket= line under the [mysqld] section such as:[client] socket=/var/lib/mysql/mysql.sock发现依旧如此,运行/etc/init.d/mysql start报错: Starting MySQLCouldn"t find MySQL manager or server 是mysqld服务没启,运行/usr/local/mysql/bin/mysqld_safe &问题解决。技巧分享 Oracle数据库的启动和关闭Oracle技术平台助力数字化城市管理进程相关资讯      mysql  FreeBSD 
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