ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock
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问题描述
今天阿里云服务器安装mysql的收,遇到了一个很熟悉的问题
输入
#mysql -u root -p ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)
解决方案
一、方案1
1.#ps -A|grep mysql 显示类似: 1829 ? 00:00:00 mysqld_safe 1876 ? 00:00:31 mysqld 2.#kill -9 1829 3.#kill -9 1876 4.#/etc/init.d/mysql restart 5.#mysql -u root -p
二、方案2
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.------------------------------------------------------------------------------------[root@localhost beinan]#chown -R mysql:mysql /var/lib/mysql[root@localhost beinan]# /etc/init.d/mysqld start启动 MySQL: [ 确定 ][root@localhost lib]# mysqladmin -uroot password '123456'[root@localhost lib]# mysql -uroot -pEnter password:Welcome to the MySQL monitor. Commands end with ; or /g.Your MySQL connection id is 3 to server version: 4.1.11Type 'help;' or '/h' for help. Type '/c' to clear the buffe他的也解决了,我的麻烦还在继续,依然继续寻找
三、方案3
问题解决了,竟然是max_connections=1000 他说太多了,然后改成500也说多,无奈删之问题解决了。还是不行
四、方案4
/var/lib/mysql 所有文件权限 改成mysql.mysql 不行不行
五、方案5
摘要:解决不能通过mysql .sock连接MySQL问题 这个问题主要提示是,不能通过 '/tmp/mysql .sock'连到服务器,而php标准配置正是用过'/tmp/mysql .sock',但是一些mysql 安装方法 将 mysql .sock放在/var/lib/mysql .sock或者其他的什么地方,你可以通过修改/etc/my.cnf文件来修正它,打开文件,可以看到如下的东东: [mysql d] socket=/var/lib/mysql .sock 改一下就好了,但也会引起其他的问题,如mysql 程序连不上了,再加一点: [mysql ] socket=/tmp/mysql .sock 或者还可以通过修改PHP.ini中的配置来使php用其他的mysql .sock来连,这个大家自己去找找 或者用这样的方法: ln -s /var/lib/mysql /mysql .sock /tmp/mysql .sock成功了,就是这样ln -s /var/lib/mysql /mysql .sock /tmp/mysql .sock
在网上查找的时候,很多人的问题都是没有开启服务,或者是方案五就能够解决。如果你和我一样苦逼,上面的方法都没有用的话,可以试一试我成功解决的方法。
我的解决方法
这个问题至少让我查了10个小时,最后无意中才解决。
一、实在没有办法,删除yum功能,因为我是通过yun安装的。
二、然后重新安装yum,再安装mysql,成功解决。
安装yum方法:yum丢失安装方法
ps:另外还看到一个很有用的解决方法:
root@localhost ~]# mysql --socket=/tmp/mysql.sockERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)
由于mysql 默认的mysql.sock 是在/var/lib/mysql/mysql.sock,但Linux系统总是去/tmp/mysql.sock查找,所以会报错
[root@localhost ~]# find / -name mysql.sock/var/lib/mysql/mysql.sock
1.直接指定mysql通道
[root@localhost ~]# mysql --socket=/var/lib/mysql/mysql.sockWelcome to the MySQL monitor. Commands end with ; or /g.Your MySQL connection id is 2 to server version: 5.0.22Type 'help;' or '/h' for help. Type '/c' to clear the buffer.mysql>
2. 创建符号连接:
为mysql.sock增加软连接(相当于windows中的快捷方式)。
ln -s /var/lib/mysql/mysql.sock /tmp/mysql.sock
eg:root@localhost ~]# mysqlERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)[root@localhost ~]# ln -s /var/lib/mysql/mysql.sock /tmp/mysql.sock[root@localhost ~]# mysqlWelcome to the MySQL monitor. Commands end with ; or /g.Your MySQL connection id is 3 to server version: 5.0.22Type 'help;' or '/h' for help. Type '/c' to clear the buffer.mysql>
希望对这些方法的总结能够对以后遇到问题的人有帮助,自己确实在这个问题上费了好多功夫,很难受。
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- MySQL ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)
- ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)
- ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)
- ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
- ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
- ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
- ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
- ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
- ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
- ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
- ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
- ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
- ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock
- ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
- ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
- ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
- ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock
- ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
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