Mac下安装mysql5.7.31

目录

  • 1.下载安装
  • 2.配置环境变量
  • 3.mysql 配置文件
  • 4.两种启动 mysql 的方式
  • 5.初始化配置及修改密码
  • 6.brew 安装 mysql(未检验)

一.下载安装

1.官网下载

下载地址:https://dev.mysql.com/downloads/mysql/

2.找到5.7.31版本

3.选择直接下载

4.安装

5.记下数据库临时密码,一路下一步完成安装

二.配置环境变量

1.在 terminal 中切换到用户的根目录,编辑./.bash_profile 文件

eternity@TheEternitydeMacBook-Pro ~ % cd ~
eternity@TheEternitydeMacBook-Pro ~ % pwd
/Users/eternity
eternity@TheEternitydeMacBook-Pro ~ % vim ./.bash_profile

2.进入 vim,配置 PATH 变量

export PATH=$PATH:/usr/local/mysql/bin
export PATH=$PATH:/usr/local/mysql/support-files
  
备注:
	第一行的是为了 mysql -u root -p 方便使用
  第二行的是为了使用命令行启动停止数据库使用

3.按下 esc 退出编辑模式,输入:wq 保存并退出

:wq

4.重新加载配置文件,并验证配置是否生效

eternity@TheEternitydeMacBook-Pro ~ % source ~/.bash_profile 
eternity@TheEternitydeMacBook-Pro ~ % echo $PATH 
/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/mysql/bin:/usr/local/mysql/support-files
eternity@TheEternitydeMacBook-Pro /etc % mysql --version
mysql  Ver 14.14 Distrib 5.7.31, for macos10.14 (x86_64) using  EditLine wrapper

三.mysql 配置文件

1.在/etc 目录下新建 my.cnf 配置文件,并赋予读写权限

eternity@TheEternitydeMacBook-Pro /etc % sudo touch my.cnf
Password:
eternity@TheEternitydeMacBook-Pro /etc % ls|grep cnf      
my.cnf
eternity@TheEternitydeMacBook-Pro /etc % sudo chmod 777 my.cnf 

2.配置文件内容

# Example MySQL config file for medium systems.

#

# This is for a system with little memory (32M - 64M) where MySQL plays

# an important part, or systems up to 128M where MySQL is used together with

# other programs (such as a web server)

#

# MySQL programs look for option files in a set of

# locations which depend on the deployment platform.

# You can copy this option file to one of those

# locations. For information about these locations, see:

# http://dev.mysql.com/doc/mysql/en/option-files.html

#

# In this file, you can use all long options that a program supports.

# If you want to know which options a program supports, run the program

# with the "--help" option.

# The following options will be passed to all MySQL clients

[client]

default-character-set=utf8

#password = your_password

port = 3306

socket = /tmp/mysql.sock

# Here follows entries for some specific programs

# The MySQL server

[mysqld]

character-set-server=utf8

init_connect='SET NAMES utf8

port = 3306

socket = /tmp/mysql.sock

skip-external-locking

key_buffer_size = 16M

max_allowed_packet = 1M

table_open_cache = 64

sort_buffer_size = 512K

net_buffer_length = 8K

read_buffer_size = 256K

read_rnd_buffer_size = 512K

myisam_sort_buffer_size = 8M

character-set-server=utf8

init_connect='SET NAMES utf8'

# Don't listen on a TCP/IP port at all. This can be a security enhancement,

# if all processes that need to connect to mysqld run on the same host.

# All interaction with mysqld must be made via Unix sockets or named pipes.

# Note that using this option without enabling named pipes on Windows

# (via the "enable-named-pipe" option) will render mysqld useless!

#

#skip-networking

# Replication Master Server (default)

# binary logging is required for replication

log-bin=mysql-bin

# binary logging format - mixed recommended

binlog_format=mixed

# required unique id between 1 and 2^32 - 1

# defaults to 1 if master-host is not set

# but will not function as a master if omitted

server-id = 1

# Replication Slave (comment out master section to use this)

#

# To configure this host as a replication slave, you can choose between

# two methods :

#

# 1) Use the CHANGE MASTER TO command (fully described in our manual) -

# the syntax is:

#

# CHANGE MASTER TO MASTER_HOST=<host>, MASTER_PORT=<port>,

# MASTER_USER=<user>, MASTER_PASSWORD=<password> ;

#

# where you replace <host>, <user>, <password> by quoted strings and

# <port> by the master's port number (3306 by default).

#

# Example:

#

# CHANGE MASTER TO MASTER_HOST='125.564.12.1', MASTER_PORT=3306,

# MASTER_USER='joe', MASTER_PASSWORD='secret';

#

# OR

#

# 2) Set the variables below. However, in case you choose this method, then

# start replication for the first time (even unsuccessfully, for example

# if you mistyped the password in master-password and the slave fails to

# connect), the slave will create a master.info file, and any later

# change in this file to the variables' values below will be ignored and

# overridden by the content of the master.info file, unless you shutdown

# the slave server, delete master.info and restart the slaver server.

# For that reason, you may want to leave the lines below untouched

# (commented) and instead use CHANGE MASTER TO (see above)

#

# required unique id between 2 and 2^32 - 1

# (and different from the master)

# defaults to 2 if master-host is set

# but will not function as a slave if omitted

#server-id = 2

#

# The replication master for this slave - required

#master-host = <hostname>

#

# The username the slave will use for authentication when connecting

# to the master - required

#master-user = <username>

#

# The password the slave will authenticate with when connecting to

# the master - required

#master-password = <password>

#

# The port the master is listening on.

# optional - defaults to 3306

#master-port = <port>

#

# binary logging - not required for slaves, but recommended

#log-bin=mysql-bin

# Uncomment the following if you are using InnoDB tables

#innodb_data_home_dir = /usr/local/mysql/data

#innodb_data_file_path = ibdata1:10M:autoextend

#innodb_log_group_home_dir = /usr/local/mysql/data

# You can set .._buffer_pool_size up to 50 - 80 %

# of RAM but beware of setting memory usage too high

#innodb_buffer_pool_size = 16M

#innodb_additional_mem_pool_size = 2M

# Set .._log_file_size to 25 % of buffer pool size

#innodb_log_file_size = 5M

#innodb_log_buffer_size = 8M

#innodb_flush_log_at_trx_commit = 1

#innodb_lock_wait_timeout = 50

[mysqldump]

quick

max_allowed_packet = 16M

[mysql]

no-auto-rehash

# Remove the next comment character if you are not familiar with SQL

#safe-updates

default-character-set=utf8

[myisamchk]

key_buffer_size = 20M

sort_buffer_size = 20M

read_buffer = 2M

write_buffer = 2M

[mysqlhotcopy]

interactive-timeout

简易版

[mysqld]
default-storage-engine=INNODB
character-set-server=utf8
port = 3306

[client]
default-character-set=utf8

3.恢复默认权限

eternity@TheEternitydeMacBook-Pro /etc % ls -l|grep cnf
-rwxrwxrwx   1 root  wheel    4886  8 17 10:09 my.cnf
eternity@TheEternitydeMacBook-Pro /etc % sudo chmod 644 my.cnf
eternity@TheEternitydeMacBook-Pro /etc % ls -l|grep cnf       
-rw-r--r--   1 root  wheel    4886  8 17 10:09 my.cnf

四.两种启动 mysql 的方式

1.一键启动。偏好设置下一键启动

①.找到 mysql 服务

②.启动 mysql

3.启动完成的状态

2.命令行启动

启动MySQL服务
sudo mysql.server start

停止MySQL服务
sudo mysql.server stop

重启MySQL服务
sudo mysql.server restart

查看MySQL服务状态
sudo mysql.server status

备注:

注意:如果出现 ERROR! MySQL server PID file could not be found!,
或者ERROR! The server quit without updating PID file (/usr/local/mysql/data/maxdeMacBook-Pro.local.pid). 
可能是因为没有/usr/local/mysql/data/文件夹读写权限,如果遇到该问题,
执行sudo chown -R mysql:mysql /usr/local/mysql/data/*即可。

五.初始化配置及修改密码

eternity@TheEternitydeMacBook-Pro /etc % sudo mysql.server start
Password:
Starting MySQL
.Logging to '/usr/local/mysql/data/TheEternitydeMacBook-Pro.local.err'.
 SUCCESS! 
eternity@TheEternitydeMacBook-Pro /etc % mysql -u root -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 22
Server version: 5.7.31-log

Copyright (c) 2000, 2020, 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> update user set authentication_string=password('123456') where user='root';
Query OK, 0 rows affected, 1 warning (0.01 sec)

mysql> exit
Bye

六.使用homebrew安装mysql及遇到的问题

  • 安装命令

    brew install mysql
    
  • 安装完成之后,本地命令行输入mysql命令,发现无此命令

    commond not found
    
  • 首先,检查是否是安装了

    重新执行一遍 
    brew install mysql
    命令行提示:
    Warning: mysql-5.7.10 already installed, it's just not linked
    
  • 然后网上查找解决方法,最后解决方法是执行:

    brew link --overwrite mysql
    
  • 但是执行,却报错

    Linking /usr/local/Cellar/mysql/5.7.10... 
    Error: Could not symlink share/man/man8/mysqld.8
    /usr/local/share/man/man8 is not writable.
    
  • 又在网上各种查找解决方法,最后本地实验以下语句执行成功

    sudo chown -R 'yin' /usr/local
    注意: yin是你电脑的用户名
    
  • 解决了问题后,重新执行:

    brew link --overwrite mysql
    提示:
    Linking /usr/local/Cellar/mysql/5.7.10... 92 symlinks created
    

    心想着,这下算是成功了吧。重新执行:

    mysql -u root -p
    

    但是又报错:

    ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)
    

    依次执行:

    unset TMPDIR
    
    bash mysql_install_db --verbose --user=root
    --basedir="$(brew --prefix mysql)"--datadir=/usr/local/var/mysql --tmpdir=/tmp
    
    接下来启动mysql
    bash mysql.server start
    

站在巨人肩膀上摘苹果

https://www.cnblogs.com/nickchen121/p/11145123.html

https://blog.csdn.net/swcxy12315/article/details/84249606

https://www.cnblogs.com/xuyatao/p/6932885.html

https://www.jianshu.com/p/833f388da8e3

posted @ 2020-08-19 14:34  未月廿三  阅读(635)  评论(0编辑  收藏  举报