android@localhost:~$ cat /etc/hosts | grep localhost
127.0.0.1 localhost
::1 localhost ip6-localhost ip6-loopback
android@localhost:~$ cat /etc/mysql/mysql.conf.d/mysqld.cnf | grep bind-address
bind-address = 127.0.0.1
android@localhost:~$ sudo /etc/init.d/mysql status
* MySQL is stopped.
android@localhost:~$ sudo /etc/init.d/mysql start
* Starting MySQL database server mysqld [ OK ]
android@localhost:~$ sudo /etc/init.d/mysql status
mysqladmin: connect to server at 'localhost' failed
error: 'Access denied for user 'debian-sys-maint'@'localhost' (using password: YES)'
*