Ubuntu下解决：Can’t connect to local MySQL server through socket ‘/var/run/mysqld/mysqld.sock’ (2)

Enter password:
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)

解决办法：

sudo rm /var/lib/mysql/ -R
sudo rm /etc/mysql/ -R
sudo apt-get autoremove mysql* --purge
sudo apt-get remove apparmor #这一步选Yes
sudo apt-get install mysql-server mysql-common #重新输入密码

然后重新登陆：

mysql -u root -p

以上是参照：[https://blog.csdn.net/sinat_36246371/article/details/59491905]
参照链接

这时可能会遇到：

解决办法：

sudo vim /etc/mysql/mysql.conf.d/mysqld.cnf

1 [mysqld]2 #3 # * Basic Settings4 #5 user            　 = mysql6 pid-file        　 = /var/run/mysqld/mysqld.pid7 socket        　　 = /var/run/mysqld/mysqld.sock8 port            　 = 33069 basedir        　　= /usr
10 datadir       　　 = /var/lib/mysql
11 tmpdir       　　　= /tmp
12 lc-messages-dir   = /usr/share/mysql
13 skip-external-locking
14 character-set-server=utf8
15 collation-server=utf8_general_ci
16 skip-grant-tables　　　　<-- add here

添加：

skip-grant-tables

作用：就是让你可以不用密码登录进去mysql。
保存:wq，退出。输入：service mysql restart，重新启动mysql。
参照链接

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Ubuntu下解决：Can’t connect to local MySQL server through socket ‘/var/run/mysqld/mysqld.sock’ (2)

Ubuntu下解决：Can’t connect to local MySQL server through socket ‘/var/run/mysqld/mysqld.sock’ (2)

这时可能会遇到：

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