我的XAMPP mysql服务器工作正常
然后我从oracle下载单独的mysql并安装它。它运行正常，但几天后我无法启动它：＆gt; mysql -u root
并且在xampp mysql服务器中它也无法正常显示已停止。
我提供了我尝试从谷歌和StackOverflow的所有命令
而且我提供所有命令的所有结果。
请在回答之前参考命令。
数字表示我尝试的方式。
1.> `mysql -u root -p`
2.> `mysql -u root`
3.> `sudo su`
3.1.> `ps aux | grep mysql`
3.2.> `kill -9 8306`
4.> `sudo /Applications/XAMPP/xamppfiles/bin/mysql.server start`
5.> `sudo killall mysqld`
6.> Changing content of file as: `innodb_force_recovery = 1` in
`/Applications/XAMPP/xamppfiles/etc/my.cnf`
7.> Changing content of file as: read only permission in
`/Applications/XAMPP/xamppfiles/etc/my.cnf`
8.> Port changed from 3306 to 3307 3308 but nothing is happened
9.> Activity manager : mysql service is. not listed
10.> Reinstalled XAMPP
我遵循了这10种方式，所以请不要回答这10种方式
命令结果：
<.1.
Pratiks-MacBook-Pro:~ pratik$ mysql -u root -p
输入密码：
ERROR 2002（HY000）：Can't connect to local MySQL server through socket '/Applications/XAMPP/xamppfiles/var/mysql/mysql.sock' (2 "No such file or directory")
<.2.
Pratiks-MacBook-Pro:~ pratik$ mysql -u root
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/Applications/XAMPP/xamppfiles/var/mysql/mysql.sock' (2 "No such file or directory")
<.3.
Pratiks-MacBook-Pro:~ pratik$ sudo su
Password:
sh-3.2# ps aux | grep mysql
root 8306 0.0 0.0 4258468 180 s000 U+ 11:35AM 0:00.00 grep mysql
sh-3.2# kill -9 8306
sh: kill: (8306) - No such process
sh-3.2#
<.4.
Pratiks-MacBook-Pro:~ pratik$ sudo /Applications/XAMPP/xamppfiles/bin/mysql.server start
Starting MySQL
.2018-03-13 11:44:29 8513 mysqld_safe Logging to '/Applications/XAMPP/xamppfiles/var/mysql/Pratiks-MacBook-Pro.local.err'.
2018-03-13 11:44:29 8513 mysqld_safe Starting mysqld daemon with databases from /Applications/XAMPP/xamppfiles/var/mysql
ERROR!
<.5.
Pratiks-MacBook-Pro:~ pratik$ sudo killall mysqld
No matching processes were found