mysql -u root -p
use mysql;
update user set host='ip' where user='root'; //更新访问权限
flush privileges; //更新数据库
/etc/init.d/mysql stop //停止服务
/etc/init.d/mysql start //开启服务
关闭linux防火墙.
安装：apt-get install ufw
关闭：ufw disable # To disable the firewall
开启：ufw enable # To enable the firewall
如果还不行的话，查看mysql.conf文件
修改/etc/mysq;
bind-address = 127.0.0.1 //修改为本机网卡ip;
save!
/etc/init.d/mysql stop //停止服务
/etc/init.d/mysql start //开启服务
ok....
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http://www.kali.org.cn/thread-21290-1-1.html Kali2016终端字符串重叠解问题解决