本文共 3983 字,大约阅读时间需要 13 分钟。
系统环境:
操作系统:RedHat EL6
DB Soft: MySQL 5.6.4-m7
在系统安装了源码包 MySQL 5.6.4-m7版本,启动服务后,客户端连接失败 !
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | [root@rh6 ~]# cd /usr/local/mysql/ [root@rh6 mysql]# cd bin [root@rh6 bin]# ./mysql -u root -p Enter password: ERROR 2002 (HY000): Can 't connect to local MySQL server through socket ' /tmp/mysql.sock' ( 13 ) --连接server失败 [root@rh6 bin]# mysql -u root -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 2 Server version: 5.1. 66 Source distribution Copyright (c) 2000 , 2012 , Oracle and / or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and / or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> |
--连入了系统自带的5.1.66的版本
解决方法:
查看配置文件,并修改
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | [root@rh6 bin]# cat /etc/my.cnf [mysqld] datadir=/ var /lib/mysql socket=/ var /lib/mysql/mysql.sock user=mysql # Disabling symbolic-links is recommended to prevent assorted security risks symbolic-links= 0 [mysqld_safe] log-error=/ var /log/mysqld.log pid-file=/ var /run/mysqld/mysqld.pid 更改socket参数: [root@rh6 bin]# vi /etc/my.cnf [mysqld] datadir=/ var /lib/mysql socket=/tmp/mysql.sock #socket=/ var /lib/mysql/mysql.sock user=mysql # Disabling symbolic-links is recommended to prevent assorted security risks symbolic-links= 0 [mysqld_safe] log-error=/ var /log/mysqld.log pid-file=/ var /run/mysqld/mysqld.pid ~ |
验证:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | 停止mysqld进程: [root@rh6 bin]# ps -ef |grep mysql root 4482 4456 0 12 : 27 pts/ 3 00 : 00 : 00 /bin/sh /usr/bin/mysqld_safe --user=mysql mysql 4553 4482 0 12 : 27 pts/ 3 00 : 00 : 00 /usr/libexec/mysqld --basedir=/usr --datadir=/ var /lib/mysql --user=mysql --log-error=/ var /log/mysqld.log --pid-file=/ var /run/mysqld/mysqld.pid --socket=/ var /lib/mysql/mysql.sock root 4590 4456 1 12 : 29 pts/ 3 00 : 00 : 00 grep mysql [root@rh6 bin]# pkill mysql [root@rh6 bin]# ps -ef |grep mysql150206 12 : 30 : 03 mysqld_safe mysqld from pid file / var /run/mysqld/mysqld.pid ended root 4597 4456 0 12 : 30 pts/ 3 00 : 00 : 00 grep mysql [ 1 ]+ Done mysqld_safe --user=mysql (wd: ~) (wd now: /usr/local/mysql/bin) [root@rh6 bin]# ps -ef |grep mysql root 4599 4456 0 12 : 30 pts/ 3 00 : 00 : 00 grep mysql 重新启动mysqld进程: [root@rh6 bin]# ./mysqld_safe & [ 1 ] 4602 [root@rh6 bin]# 150206 12 : 30 : 17 mysqld_safe Logging to '/var/log/mysqld.log' . 150206 12 : 30 : 18 mysqld_safe Starting mysqld daemon with databases from / var /lib/mysql 客户端连接成功: [root@rh6 bin]# ./mysql -u root -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 1 Server version: 5.6. 4 -m7 Source distribution Copyright (c) 2000 , 2011 , Oracle and / or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and / or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> mysql> status -------------- ./mysql Ver 14.14 Distrib 5.6. 4 -m7, for Linux (x86_64) using EditLine wrapper Connection id: 3 Current database: Current user: root@localhost SSL: Not in use Current pager: stdout Using outfile: '' Using delimiter: ; Server version: 5.6. 4 -m7 Source distribution Protocol version: 10 Connection: Localhost via UNIX socket Server characterset: latin1 Db characterset: latin1 Client characterset: utf8 Conn. characterset: utf8 UNIX socket: /tmp/mysql.sock Uptime: 26 min 33 sec Threads: 1 Questions: 6 Slow queries: 0 Opens: 66 Flush tables: 1 Open tables: 59 Queries per second avg: 0.003 -------------- mysql> |
@至此,问题解决