使用brew安裝MySQL

參考:(使用Homebrew安裝MySQL https://www.cnblogs.com/lidyan/p/6587718.html

安裝命令:

    brew install mysql

安裝完成之後,啓動mysql:

    mysql.server start

發現無此命令:

    command not found

首先,檢查是否是安裝了。重新執行一遍:

    brew install mysql

提示:

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

然後網上查找解決方法,執行:

    brew link mysql

報錯:

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

查找解決方法,以下語句執行成功:

先到local目錄:sudo mkdir opt

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

    解決了問題後,重新執行:

    brew link mysql

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

重新執行:

    mysql.server start

登錄mysql:

mysql -uroot

報錯:

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

或啓動CMS後臺python main.py runwebapp時,報錯:

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

解決:參考(Mac openssl未找到/加載失敗問題處理 https://www.jianshu.com/p/c6d6a60002e4

brew remove openssl

brew uninstall --force openssl

brew install openssl

再次登錄:

mysql -uroot

成功!

補充:

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

libmysqlclient.20.dylib  brew安裝的最新是 libmysqlclient.21.dylib

解決方法:

到該目錄查看(/usr/local/opt/mysql/lib/):ls -l libmysqlclient.21.dylib

先備份,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

查看映射情況:ls -l libmysqlclient.21.dylib

 

 

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