使用brew安装MySQL

参考:(使用Homebrew安装MySQL https://www.cnblogs.com/lidyan/p/6587718.htmlhtml

安装命令:python

    brew install mysqlmysql

安装完成以后,启动mysql:web

    mysql.server startsql

发现无此命令:app

    command not foundwebapp

首先,检查是不是安装了。从新执行一遍:this

    brew install mysqlserver

提示:htm

    Warning: mysql 8.0.11 is already installed, it's just not linked
    You can use `brew link mysql` to link this version.

而后网上查找解决方法,执行:

    brew link mysql

报错:

  Linking /usr/local/Cellar/mysql/8.0.11...
Error: Could not symlink .
/usr/local/opt is not writable.

查找解决方法,如下语句执行成功:

先到local目录:sudo mkdir opt

再回到~目录:sudo chown -R `whoami`:admin /usr/local/opt

    解决了问题后,从新执行:

    brew link mysql

提示:
    Linking /usr/local/Cellar/mysql/8.0.11... 79 symlinks created

从新执行:

    mysql.server start

登陆mysql:

mysql -uroot

报错:

dyld: Library not loaded: /usr/local/opt/openssl/lib/libssl.1.0.0.dylib
  Referenced from: /usr/local/bin/mysql
  Reason: image not found

或启动CMS后台python main.py runwebapp时,报错:

mportError: dlopen(/Library/Python/2.7/site-packages/_mysql.so, 2): Library not loaded: /usr/local/opt/openssl/lib/libssl.1.0.0.dylib
  Referenced from: /usr/local/opt/mysql/lib/libmysqlclient.20.dylib
  Reason: image not found

解决:参考(Mac openssl未找到/加载失败问题处理 https://www.jianshu.com/p/c6d6a60002e4

brew remove openssl

brew uninstall --force openssl

brew install openssl

再次登陆:

mysql -uroot

成功!

补充:

问题:Library not loaded libmysqlclient.20.dylib image not found

libmysqlclient.20.dylib  brew安装的最新是 libmysqlclient.21.dylib

解决方法:

到该目录查看(/usr/local/opt/mysql/lib/):ls -l libmysqlclient.21.dylib

先备份,命令: sudo cp libmysqlclient.21.dylib libmysqlclient.21.dylib.backup

再映射地址,命令:sudo ln -s /usr/local/opt/mysql/lib/libmysqlclient.21.dylib /usr/local/opt/mysql/lib/libmysqlclient.20.dylib

查看映射状况:ls -l libmysqlclient.21.dylib

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