ERROR 2003 (HY000): Can't connect to MySQL server on '192.168.1.157' (111)

1.MySQL本地可以登录，但是不能远程登录。

[root@nb0 ~]# mysql -h192.168.1.157 -uroot -p
Enter password:
ERROR 2003 (HY000): Can't connect to MySQL server on '192.168.1.157' (111)

2. MySQL服务器是可以ping通的

[root@nb0 ~]# ping 192.168.1.157
PING 192.168.1.157 (192.168.1.157) 56(84) bytes of data.
64 bytes from 192.168.1.157: icmp_seq=1 ttl=64 time=0.242 ms
64 bytes from 192.168.1.157: icmp_seq=2 ttl=64 time=0.262 ms
^C
--- 192.168.1.157 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1000ms
rtt min/avg/max/mdev = 0.242/0.252/0.262/0.010 ms

3. MySQL的端口是默认的

[root@my ~]# netstat -nlp|grep 3306
tcp        0      0 127.0.0.1:3306          0.0.0.0:*               LISTEN      24061/mysqld

4.解决办法

bind-address           = 127.0.0.1

[root@my ~]# vi /etc/mysql/mysql.conf.d/mysqld.cnf

#
# Instead of skip-networking the default is now to listen only on
# localhost which is more compatible and is not less secure.
#bind-address           = 127.0.0.1

[root@my ~]# cd /etc/mysql/mariadb.conf.d
[root@my ~]/etc/mysql/mariadb.conf.d# ls
50-client.cnf  50-mysql-clients.cnf  50-mysqld_safe.cnf  50-server.cnf

bind-address

vi 50-server.cnf

[root@my ~]:~# sudo service mysql restart

[root@nb0 ~]# mysql -h192.168.1.157 -uroot -p
Enter password:
Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MySQL connection id is 10
Server version: 5.7.11-0kord6 (Ubuntu)

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Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

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