MySQL completely uninstalled (windows, MAC, Linux)

One 、 Purpose

Linux、Windows、Mac Next MySQL Complete uninstall of  

 -                    --  Record on  2022 year 05 month 03 Japan 

Two 、 step

2.1 Windows Download and unload MySQL

• 1、 To be in Windows Loading and unloading MySQL, Please make sure to stop the running server first .

• 2、 After the server stops , You can Windows“ Control panel ” uninstall MySQL. go to “ Procedures and functions ” And select “MySQL”=>“ uninstall ”.

• 3、 thereafter , To clean up all remaining data , Make sure you can see the hidden folder , Then delete the following folder ：

C:\Program Files\MySQL
C:\Program Files (x86)\MySQL
C:\ProgramData\MySQL
C:\Users<your-username>\AppData\Roaming\MySQL

2.2 Mac Download and unload MySQL

• Preliminary uninstall
  If you installed through the official installation program MySQL,
  You can macOS Of “ System preferences ” Unload it . go to “MySQL” Options and select “Uinstall”.

• Uninstall completely

From you to Mac uninstall MySQL And delete it completely （ Including all databases ）, Do the following ：

• 1、 Open terminal window

Use mysqldump Back up the database to a text file ！
Stop the database server

sudo rm /usr/local/mysql
sudo rm -rf /usr/local/mysql*
sudo rm -rf /Library/StartupItems/MySQLCOM
sudo rm -rf /Library/PreferencePanes/My*
#  edit /etc/hostconfig And delete the lines 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*

notes ： The last three lines are particularly important , Otherwise, even if you think the new version has been completely deleted , You can't install the old version MySQL！

2.3 Linux Download and unload MySQL

Reference link ： https://askubuntu.com/questions/640899/how-do-i-uninstall-mysql-completely

sudo -i
service mysql stop
killall -KILL mysql mysqld_safe mysqld
apt-get --yes purge mysql-server mysql-client
apt-get --yes autoremove --purge
apt-get autoclean
deluser --remove-home mysql
delgroup mysql
rm -rf /etc/apparmor.d/abstractions/mysql /etc/apparmor.d/cache/usr.sbin.mysqld /etc/mysql /var/lib/mysql /var/log/mysql* /var/log/upstart/mysql.log* /var/run/mysqld
updatedb
exit

other

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Record on 2022 year 05 month 03 Japan