连接Mysql 这里我使用navicat远程连接,连接mysql前需要防火墙开放端口或者关闭防火墙。 开放端口 firewall-cmd --add-port=3306/tcp
这里我使用navicat远程连接,连接mysql前需要防火墙开放端口或者关闭防火墙。
firewall-cmd --add-port=3306/tcp --permanent
// --permanent 永久生效,没有此参数重启后失效
firewall-cmd --reload
// 重新载入
systemctl stop firewalld
systemctl enable iptables
// 设置开机启动
firewall-cmd --reload
// 重新载入
启动: systemctl start firewalld
关闭: systemctl stop firewalld
查看状态: systemctl status firewalld
开机禁用 : systemctl disable firewalld
开机启用 : systemctl enable firewalld
启动一个服务:systemctl start firewalld.service
关闭一个服务:systemctl stop firewalld.service
重启一个服务:systemctl restart firewalld.service
显示一个服务的状态:systemctl status firewalld.service
在开机时启用一个服务:systemctl enable firewalld.service
在开机时禁用一个服务:systemctl disable firewalld.service
查看服务是否开机启动:systemctl is-enabled firewalld.service
查看已启动的服务列表:systemctl list-unit-files|grep enabled
查看启动失败的服务列表:systemctl --failed
查看版本: firewall-cmd --version
查看帮助: firewall-cmd --help
显示状态: firewall-cmd --state
查看所有打开的端口: firewall-cmd --zone=public --list-ports
更新防火墙规则: firewall-cmd --reload
查看区域信息: firewall-cmd --get-active-zones
查看指定接口所属区域: firewall-cmd --get-zone-of-interface=eth0
拒绝所有包:firewall-cmd --panic-on
取消拒绝状态: firewall-cmd --panic-off
查看是否拒绝: firewall-cmd --query-panic
补充:Docker部署mysql远程连接 解决1251
mysql 8.0 默认使用 caching_sha2_passWord 身份验证机制,客户端不支持新的加密方式。
修改用户(root)的加密方式
1. 进入mysql容器内部
2. 登录mysql
root@e285125c99d6:/# mysql -u root -p
3. 设置用户配置项
查看用户信息
mysql> select host,user,plugin,authentication_string from mysql.user;
+-----------+------------------+-----------------------+------------------------------------------------------------------------+
| host | user | plugin | authentication_string |
+-----------+------------------+-----------------------+------------------------------------------------------------------------+
| % | root | caching_sha2_password | $A$005$HF7;krfwhkKHp5fPenQm4J2dm/RJtbbyjtCUVdDCcboXQw3ALxsif/sS1 |
| localhost | mysql.infoschema | caching_sha2_password | $A$005$THISISACOMBINATIONOFINVALIDSALTANDPASSWORDTHATMUSTNEVERBRBEUSED |
| localhost | mysql.session | caching_sha2_password | $A$005$THISISACOMBINATIONOFINVALIDSALTANDPASSWORDTHATMUSTNEVERBRBEUSED |
| localhost | mysql.sys | caching_sha2_password | $A$005$THISISACOMBINATIONOFINVALIDSALTANDPASSWORDTHATMUSTNEVERBRBEUSED |
| localhost | root | mysql_native_password | *6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9 |
+-----------+------------------+-----------------------+------------------------------------------------------------------------+
备注:host为 % 表示不限制ip localhost表示本机使用 plugin非mysql_native_password
修改加密方式
ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY '123456'; ### 123456 mysql的登录密码
flush privileges;
然后再查看用户信息
mysql> select host,user,plugin,authentication_string from mysql.user;
+-----------+------------------+-----------------------+------------------------------------------------------------------------+
| host | user | plugin | authentication_string |
+-----------+------------------+-----------------------+------------------------------------------------------------------------+
| % | root | mysql_native_password | *6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9 |
| localhost | mysql.infoschema | caching_sha2_password | $A$005$THISISACOMBINATIONOFINVALIDSALTANDPASSWORDTHATMUSTNEVERBRBEUSED |
| localhost | mysql.session | caching_sha2_password | $A$005$THISISACOMBINATIONOFINVALIDSALTANDPASSWORDTHATMUSTNEVERBRBEUSED |
| localhost | mysql.sys | caching_sha2_password | $A$005$THISISACOMBINATIONOFINVALIDSALTANDPASSWORDTHATMUSTNEVERBRBEUSED |
| localhost | root | mysql_native_password | *6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9 |
+-----------+------------------+-----------------------+------------------------------------------------------------------------+
5 rows in set (0.00 sec)
以上为个人经验,希望能给大家一个参考,也希望大家多多支持编程网。如有错误或未考虑完全的地方,望不吝赐教。
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