mysql> show processlist; #mysql服务器查看有那些主机连进来，并列出它们查什么库
+-----+------+-----------+------+---------+------+-------+------------------+
| Id | User | Host | db | Command | Time | State | Info |
+-----+------+-----------+------+---------+------+-------+------------------+
| 516 | root | localhost | NULL | Query | 0 | NULL | show processlist |
+-----+------+-----------+------+---------+------+-------+------------------+
1 row in set (0.00 sec)
[root@bass ~]# ssh 192.168.1.89
reverse mapping checking getaddrinfo for bogon [192.168.1.89] failed - POSSIBLE BREAK-IN ATTEMPT!
root@192.168.1.89's password:
Last login: Sun May 8 04:57:24 2016 from 192.168.1.10
[root@v01 ~]# mysql -usx -p -h101.200.xx.xx
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 517
Server version: 5.5.40-log MySQL Community Server (GPL) Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| sx |
| test |
+--------------------+
3 rows in set (0.01 sec)
mysql> show processlist;
+-----+------+----------------------+------+---------+------+-------+------------------+
| Id | User | Host | db | Command | Time | State | Info |
+-----+------+----------------------+------+---------+------+-------+------------------+
| 516 | root | localhost | NULL | Query | 0 | NULL | show processlist |
| 517 | sx | 118.194.xxx.xxx:xxx | NULL | Sleep | 28 | | NULL |
+-----+------+----------------------+------+---------+------+-------+------------------+
2 rows in set (0.00 sec)
mysql> use mysql;
Database changed
mysql> show tables;
+---------------------------+
| Tables_in_mysql |
+---------------------------+
| columns_priv |
| db |
| event |
| func |
| general_log |
| help_category |
| help_keyword |
| help_relation |
| help_topic |
| host |
| ndb_binlog_index |
| plugin |
| proc |
| procs_priv |
| proxies_priv |
| servers |
| slow_log |
| tables_priv |
| time_zone |
| time_zone_leap_second |
| time_zone_name |
| time_zone_transition |
| time_zone_transition_type |
| user |
+---------------------------+
24 rows in set (0.01 sec) mysql> show processlist;
+-----+------+----------------------+-------+---------+------+-------+------------------+
| Id | User | Host | db | Command | Time | State | Info |
+-----+------+----------------------+-------+---------+------+-------+------------------+
| 516 | root | localhost | mysql | Query | 0 | NULL | show processlist |
| 517 | sx | 118.194.xxx.xxx:2373 | NULL | Sleep | 297 | | NULL |
+-----+------+----------------------+-------+---------+------+-------+------------------+
2 rows in set (0.00 sec)