ERROR 1130 (HY000): Host 'test177' is not allowed to connect to this MySQL server

异常

在测试环境新搭建的MySQL服务端，启动后登陆MySQL如下异常：

[root@test177 ~]# mysql -u root -po2jSLWw0ni -h test177

mysql: [Warning] Using a password on the command line interface can be insecure.

ERROR 1130 (HY000): Host 'test177' is not allowed to connect to this MySQL server

由于不能改变hostname，所以只能通过跳过数据库权限验证，来修改权限。

首先停止MySQL服务端

systemctl stop mysqld

在/etc/my.cnf中的[mysqld]选项中添加跳过验证策略skip-grant-tables，my.cnf文件内容如下：

# For advice on how to change settings please see

# http://dev.mysql.com/doc/refman/5.7/en/server-configuration-defaults.html

[mysqld]

#

# Remove leading # and set to the amount of RAM for the most important data

# cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.

# innodb_buffer_pool_size = 128M

#

# Remove leading # to turn on a very important data integrity option: logging

# changes to the binary log between backups.

# log_bin

#

# Remove leading # to set options mainly useful for reporting servers.

# The server defaults are faster for transactions and fast SELECTs.

# Adjust sizes as needed, experiment to find the optimal values.

# join_buffer_size = 128M

# sort_buffer_size = 2M

# read_rnd_buffer_size = 2M

datadir=/var/lib/mysql

socket=/var/lib/mysql/mysql.sock

# Disabling symbolic-links is recommended to prevent assorted security risks

symbolic-links=0

log-error=/var/log/mysqld.log

pid-file=/var/run/mysqld/mysqld.pid

skip-grant-tables

然后重新启动MySQL服务：

systemctl start mysqld

登陆数据库，通过以下两种方法修改权限：

通过表修改

use mysql;

update user set host = '%' where user = 'root' and host='localhost';

select host, user from user;

通过授权

GRANT ALL PRIVILEGES ON *.* TO 'account_name'@'%' IDENTIFIED BY 'password' WITH GRANT OPTION;

FLUSH   PRIVILEGES;

巴特西

ERROR 1130 (HY000): Host 'test177' is not allowed to connect to this MySQL server

异常

通过表修改

通过授权

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