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mac安装完mysql后关机特别慢_mysql-Mac终端下遇到的问题总结

时间:2021-08-12 21:47:29

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mac安装完mysql后关机特别慢_mysql-Mac终端下遇到的问题总结

为了方便启动mysql服务,修改/etc/.bash_profile文件,如下

alias mysql="/usr/local/mysql/bin/mysql"

alias mysqladmin="/usr/local/mysql/bin/mysqladmin"

或者

alias mysqlstart="sudo /usr/local/mysql/support-files/mysql.server start"

alias mysqlstop="sudo /usr/local/mysql/support-files/mysql.server stop"

由于想启动mysql,然后修改root密码而出现以下问题:

问题1:

ERROR! The server quit without updating PID file (/usr/local/mysql/data/mysqld.local.pid).

解决方案:

在/etc目录下创建f(touch /etc/f),或者直接在/usr/local/mysql/support-files/my-f中添加,内容如下:

datadir = /usr/local/mysql/data

log-error = /usr/local/mysql/data/error.log

pid-file = /usr/local/mysql/data/mysqld.local.pid

user = mysql

tmpdir = /tmp

问题2:

ERROR2002(HY000):Can't connect to local MySQL server through socket '/tmp/mysql.sock'(2)

在/etc目录下创建f(touch /etc/f),或者直接在/usr/local/mysql/support-files/my-f中添加,内容如下:

[client]

port = 3306

socket = /tmp/mysql.sock

default-character-set = utf8

[mysqld]

collation-server = utf8_unicode_ci

character-set-server = utf8

init-connect ='SET NAMES utf8'

max_allowed_packet = 64M

bind-address = 127.0.0.1

port = 3306

socket = /tmp/mysql.sock

innodb_file_per_table=1

#已添加内容

datadir = /usr/local/mysql/data

log-error = /usr/local/mysql/data/error.log

pid-file = /usr/local/mysql/data/mysqld.local.pid

user = mysql

tmpdir = /tmp

[mysqld_safe]

timezone = '+0:00'

问题3:

重设root密码步骤:

步骤1:sudo /usr/local/mysql/bin/mysqld_safe --skip-grant-tables(跳过密码)

步骤2:sudo mysql -u root(不使用密码登录,由于之前alais了,所以可以直接写mysql,不然需要写全路径sudo /usr/local/mysql/bin/mysql -u root)

步骤3:已登入mysql,修改用户密码

UPDATE mysql.user SET authentication_string=PASSWORD('新密码') WHERE User=‘root’;

FLUSH PRIVILEGES;

但是在第一个步骤时,报错:mysql_safeA mysqld process already exists

查看是否有正在运行的mysql进程:ps -ef|grep mysql

kill -9 pid杀死进程后,mysql自动启动。

原因:实质应该是有守护进程listen,若kill掉马上又启动一个

解决:试过答案中mysqlstop,但是没有作用!

打开设置,选择mysql

然后不勾选自动启动,输入用户密码

然后重启电脑。

然后再按照重设密码步骤,修改密码成功。

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