MySQL:如何重置或更改MySQL根密码?
如何在ubuntu服务器中更改MySQL根密码和用户名?在设置任何更改之前,是否需要停止mysql服务MySQL:如何重置或更改MySQL根密码?,mysql,ubuntu,phpmyadmin,Mysql,Ubuntu,Phpmyadmin,如何在ubuntu服务器中更改MySQL根密码和用户名?在设置任何更改之前,是否需要停止mysql服务 我也有一个phpmyadmin设置,phpmyadmin会自动更新吗?在Ubuntu Linux上设置/更改/重置MySQL根密码。在终端中输入以下行 停止MySQL服务器:sudo/etc/init.d/MySQL Stop 启动mysqld配置:sudomysqld——跳过授权表& 在某些情况下,必须首先创建/var/run/mysqld: sudo mkdir -v /var/run/m
我也有一个phpmyadmin设置,phpmyadmin会自动更新吗?在Ubuntu Linux上设置/更改/重置MySQL根密码。在终端中输入以下行
sudo/etc/init.d/MySQL Stop
mysqld
配置:sudomysqld——跳过授权表&
在某些情况下,必须首先创建/var/run/mysqld
:
sudo mkdir -v /var/run/mysqld && sudo chown mysql /var/run/mysqld
sudo服务mysql启动
MySQL-u root MySQL
您的新密码
:
UPDATE
mysql.user
SET
Password = PASSWORD('YOURNEWPASSWORD')
WHERE
User = 'root';
FLUSH PRIVILEGES;
exit;
mysql -u someuser -p < <(echo "SELECT PASSWORD('mypass');")
password
列不存在,您可能需要尝试:updateuser SET authentication\u string=password('YOURNEWPASSWORD'),其中user='root'代码>
注意:这种方法不被认为是重置密码的最安全的方法,但是,它是有效的。
参考资料:
更改MySQL根密码。
此方法向命令行历史记录公开密码,这些命令应以root用户身份运行
通过mysql命令行工具登录:
mysql -uroot -poldpassword
运行以下命令:
SET PASSWORD FOR root@'localhost' = PASSWORD('newpassword');
UPDATE mysql.user SET Password=PASSWORD('newpwd') WHERE User='root';
sudo mysql
SELECT user,authentication_string,plugin,host FROM mysql.user;
UPDATE mysql.user SET authentication_string=CONCAT('*', UPPER(SHA1(UNHEX(SHA1('NEWPASSWORD'))))), plugin='mysql_native_password' WHERE User='root' AND Host='localhost';
或
运行此命令,为当前用户设置密码(本例中为“root”):
设置密码=密码(“新密码”)
当您在想要更改密码的系统上使用MySQL的PASSWORD()
时,可能会导致密码出现在明文[]中的MySQL日志中。让他们、他们的备份等像密码一样安全对我来说听起来像噩梦,所以我更喜欢这样做:
sudo apt-get remove --purge mysql-server mysql-client mysql-common
sudo rm -rf /var/lib/mysql
sudo apt-get install -y mysql-server mysql-client
在本地计算机上,使用密码运行此操作:
UPDATE
mysql.user
SET
Password = PASSWORD('YOURNEWPASSWORD')
WHERE
User = 'root';
FLUSH PRIVILEGES;
exit;
mysql -u someuser -p < <(echo "SELECT PASSWORD('mypass');")
或者,让我们有点偏执:在本地计算机上,用clear
清除终端屏幕,然后清除虚拟终端的回滚,以隐藏上面命令中出现的明文密码
在ubuntu服务器上重置根密码的官方和简单方法
如果您在16.04、14.04、12.04:
sudo dpkg-reconfigure mysql-server-5.5
如果您在10.04:
sudo dpkg-reconfigure mysql-server-5.1
如果您不确定安装了哪个mysql服务器版本,可以尝试:
dpkg --get-selections | grep mysql-server
mysql-server-5.7更新说明
请注意,如果您使用的是mysql-server-5.7,则不能使用上面所示的更简单的dpkg重新配置方法
如果您知道密码,请登录并运行以下操作:
UPDATE mysql.user SET authentication_string=PASSWORD('my-new-password') WHERE USER='root';
FLUSH PRIVILEGES;
或者,您可以使用以下选项:
sudo mysql_secure_installation
这将询问您一系列关于保护安装安全的问题(强烈建议),包括是否要提供新的根密码
如果您不知道根密码
有关更多信息,请参阅:
唯一对我有效的方法就是上面描述的方法(我正在运行ubuntu 14.04)。为了清楚起见,我遵循以下步骤:
sudovim/etc/mysql/my.cnf
在末尾添加以下行:
[mysqld]
skip-grant-tables
[mysqld]
跳过赠款表
sudo服务mysql重启
mysql-u root
使用mysql
从mysql.user中选择*user='root'代码>-查看顶部以确定是否调用密码列
密码或身份验证\u字符串
updatemysql.user set*password\u字段,从上面开始*=password(“您的新密码”),其中user='root'和host='localhost'代码>-使用上面正确的密码列
FLUSH特权代码>
退出
sudovim/etc/mysql/my.cnf
如果要保持安全标准,请删除步骤2中添加的行
sudo服务mysql重启
仅供参考:我正在分享在Linux中逐步重置MySQL密码的最终解决方案
Ubuntu
mysql -uroot -p"your_old_password"
步骤1:
停止MySQL服务
sudo stop mysql
步骤2:
杀死所有正在运行的mysqld
sudo killall -9 mysqld
步骤3:
在安全模式下启动mysqld
sudo mysqld_safe --skip-grant-tables --skip-networking &
步骤4:
启动mysql客户端
mysql -u root
步骤5:
成功登录后,请执行此命令更改任何密码
FLUSH PRIVILEGES;
mysql -uroot mysql
mysql -uroot mysql
ALTER USER 'root'@'localhost' IDENTIFIED BY 'new_passowrd';
步骤6:
您可以更新mysql根密码
UPDATE mysql.user SET Password=PASSWORD('newpwd') WHERE User='root';
注意:在MySQL 5.7上,密码
列被称为身份验证\u字符串
步骤7:
请执行此命令
FLUSH PRIVILEGES;
如果要更改MySQL根密码,请在终端中输入:
sudo dpkg重新配置mysql-server-5.5
MySQL守护程序将被停止,系统将提示您输入新密码。如果您已设置phpmyadmin
进行连接而不提供密码或用户名,则可以在本地计算机上解决此问题,而不是重设密码。通过启动mysql
,apache
等来检查这一点。我已经在本地机器上安装了xampp
。因此,启动xampp将启动所有必要的服务。现在转到http://localhost/phpmyadmin
显示所有数据库。这确认您已将用户名和密码保存在phpmyadmin的配置文件中,该文件可在phpmyadmin
安装位置找到。如果安装了xampp
,则可以在xampp
安装的根文件夹中找到phpmyadmin
文件夹。在config.inc.php
文件中搜索单词password
。您将在那里找到密码
和用户名
如果通过提供的phpadmin gui部署在xampp上,您可以轻松更改mysql密码
FLUSH PRIVILEGES;
phpMyAdmin -> User Accounts -> Edit Privileges (Select the intended user) -> Change Password (Tab)
mysql -uroot mysql
mysql -uroot mysql
ALTER USER 'root'@'localhost' IDENTIFIED BY 'new_passowrd';
您可以使用以下命令:
SET PASSWORD FOR root@'localhost' = PASSWORD('newpassword');
UPDATE mysql.user SET Password=PASSWORD('newpwd') WHERE User='root';
sudo mysql
SELECT user,authentication_string,plugin,host FROM mysql.user;
UPDATE mysql.user SET authentication_string=CONCAT('*', UPPER(SHA1(UNHEX(SHA1('NEWPASSWORD'))))), plugin='mysql_native_password' WHERE User='root' AND Host='localhost';
之后请你
sudo mysqladmin -S /var/run/mysqld/mysqld.sock shutdown
sudo service mysql start
sudo apt-get remove --purge mysql-server mysql-client mysql-common
sudo rm -rf /var/lib/mysql
sudo apt-get install -y mysql-server mysql-client
sudo su
service mysql stop
mysql -u root
ALTER USER 'root'@'localhost' IDENTIFIED BY 'MyNewPass';
\q;
exit
mysql -u root -p MyNewPass
sudo su
service mysql stop
mysql -u root
SET PASSWORD FOR 'root'@'localhost' = PASSWORD('MyNewPass');
\q;
exit
mysql -u root -p MyNewPass
mysql> set password=password('the_new_password');
mysql> flush privileges;
sudo /etc/init.d/mysql stop
use mysql;
UPDATE mysql.user SET authentication_string=PASSWORD('solutionclub3@*^G'), plugin='mysql_native_password' WHERE User='root';
flush privileges;
sudo mysqladmin -S /var/run/mysqld/mysqld.sock shutdown
sudo service mysql restart
sudo mysql -uroot -p
USE mysql;
UPDATE user SET authentication_string=PASSWORD('YOUR_PASSWORD') WHERE User='root';
UPDATE user SET plugin="mysql_native_password";
FLUSH PRIVILEGES;
quit;
sudo mysql -uroot -p
USE mysql;
UPDATE user SET password=PASSWORD('YOUR_PASSWORD') WHERE User='root';
UPDATE user SET plugin="mysql_native_password";
FLUSH PRIVILEGES;
quit;
sudo mysql -u root
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'password';
shell> mysql
mysql> FLUSH PRIVILEGES;
mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'MyNewPass';
UPDATE mysql.user SET authentication_string=PASSWORD('YOURNEWPASSWORD'), plugin='mysql_native_password' WHERE User='root' AND Host='localhost';
mysql -uroot -p"your_old_password"
SET PASSWORD FOR root@'localhost' = PASSWORD('your_new_password');
SET PASSWORD = PASSWORD('your_new_password');
sudo systemctl stop mysql
sudo systemctl edit mysql
[Service]
ExecStart=
ExecStart=/usr/sbin/mysqld --daemonize --pid-file=/run/mysqld/mysqld.pid --skip-grant-tables --skip-networking
sudo systemctl daemon-reload
sudo systemctl start mysql
sudo mysql -u root
FLUSH PRIVILEGES;
UPDATE mysql.user SET authentication_string = PASSWORD('new_password') WHEREuser = 'root';
UPDATE mysql.user SET plugin ='mysql_native_password' WHERE user = 'root';
sudo systemctl revert mysql
sudo systemctl restart mysql
ALTER USER 'root'@'localhost' IDENTIFIED BY 'new_passowrd';
sudo mysql
SELECT user,authentication_string,plugin,host FROM mysql.user;
+------------------+-------------------------------------------+-----------------------+-----------+
| user | authentication_string | plugin | host |
+------------------+-------------------------------------------+-----------------------+-----------+
| root | | auth_socket | localhost |
| mysql.session | *THISISNOTAVALIDPASSWORDTHATCANBEUSEDHERE | mysql_native_password | localhost |
| mysql.sys | *THISISNOTAVALIDPASSWORDTHATCANBEUSEDHERE | mysql_native_password | localhost |
| debian-sys-maint | *CC744277A401A7D25BE1CA89AFF17BF607F876FF | mysql_native_password | localhost |
+------------------+-------------------------------------------+-----------------------+-----------+
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'password';
FLUSH PRIVILEGES;
SELECT user,authentication_string,plugin,host FROM mysql.user;
+------------------+-------------------------------------------+-----------------------+-----------+
| user | authentication_string | plugin | host |
+------------------+-------------------------------------------+-----------------------+-----------+
| root | *3636DACC8616D997782ADD0839F92C1571D6D78F | mysql_native_password | localhost |
| mysql.session | *THISISNOTAVALIDPASSWORDTHATCANBEUSEDHERE | mysql_native_password | localhost |
| mysql.sys | *THISISNOTAVALIDPASSWORDTHATCANBEUSEDHERE | mysql_native_password | localhost |
| debian-sys-maint | *CC744277A401A7D25BE1CA89AFF17BF607F876FF | mysql_native_password | localhost |
+------------------+-------------------------------------------+-----------------------+-----------+
exit;
UPDATE mysql.user SET authentication_string=PASSWORD('YOURNEWPASSWORD'), plugin='mysql_native_password' WHERE User='root' AND Host='%';
1681 'password' is deprecated and will be removed in a future release
UPDATE mysql.user SET authentication_string=CONCAT('*', UPPER(SHA1(UNHEX(SHA1('NEWPASSWORD'))))), plugin='mysql_native_password' WHERE User='root' AND Host='localhost';
1. > sudo service mysql stop
2. > sudo mkdir /var/run/mysqld
3. > sudo chown mysql: /var/run/mysqld
4. > sudo mysqld_safe --skip-grant-tables --skip-networking &
5. > mysql -uroot mysql
6. > UPDATE mysql.user SET authentication_string=CONCAT('*', UPPER(SHA1(UNHEX(SHA1('NEWPASSWORD'))))), plugin='mysql_native_password' WHERE User='root' AND Host='localhost';
7. > \q;
8. > sudo mysqladmin -S /var/run/mysqld/mysqld.sock shutdown
9. > sudo service mysql start