mac 下删除旧版本 mysql 并用 brew 重新安装

删除

ps -ax | grep mysql#stop and kill any MySQL processesbrew remove mysqlbrew cleanupsudo rm /usr/local/mysqlsudo rm -rf /usr/local/var/mysqlsudo rm -rf /usr/local/mysql*sudo rm ~/Library/LaunchAgents/homebrew.mxcl.mysql.plistsudo rm -rf /Library/StartupItems/MySQLCOMsudo rm -rf /Library/PreferencePanes/My*launchctl unload -w~/Library/LaunchAgents/homebrew.mxcl.mysql.plistedit /etc/hostconfig and remove the line MYSQLCOM=-YES-rm -rf ~/Library/PreferencePanes/My*sudo rm -rf /Library/Receipts/mysql*sudo rm -rf /Library/Receipts/MySQL*sudo rm -rf /private/var/db/receipts/*mysql*

安装

brew doctor and fix any errorsbrew updatebrew install mysqlunset TMPDIRmysql_install_db --verbose --user=`whoami` --basedir="$(brew --prefix mysql)" --datadir=/usr/local/var/mysql --tmpdir=/tmpmysql.server startrun the commands Brew suggests, add MySQL to launchctl so it automatically launches at startup