【札記】Linux下 MySQL-5.7.17 tar.gz 包方式安裝部署後出現密碼過期的問題解決（不修改/etc/my.cnf檔案）

阿新 • • 發佈：2019-01-14

【問題描述】

在Oracle linux 6.8上安裝完成MySQL-5.7.17（使用版本為：mysql-5.7.17-linux-glibc2.5-x86_64.tar.gz）後：

[[email protected] ~]# mysql --version
mysql Ver 14.14 Distrib 5.1.73, for redhat-linux-gnu (x86_64) using readline 5.1

# service mysqld start

命令列啟動正常，登入出現問題：

[[email protected] ~]# mysql -uroot -p
Enter password:
ERROR 1862 (HY000): Your password has expired. To log in you must change it using a client that supports expired passwords.

根據提示：密碼過期，必須使用一個mysql客戶端登入修改密碼後才能使用。

mysql的提示與日誌提示都是比較模糊的，只能根據經驗進行問題排查。

【解決方法】

使用以下方式解決：

1、關閉mysql服務

[[email protected]shh ~]# service mysqld status
MySQL running (30500)[ OK ]
[[email protected] ~]#
[[email protected] ~]#
[[email protected] ~]# service mysqld stop
Shutting down MySQL..[ OK ]
[[email protected] ~]#

2、進入mysql的工作目錄 /usr/local/mysql/bin 使用mysql安全模式啟動mysql，跳過mysql的登入許可權驗證

[[email protected] ~]# cd /usr/local//mysql/bin/
[[email protected] bin]# ./mysqld_safe --skip-grant-tables &
[1] 1557
[[email protected] bin]# 2017-10-11T01:35:35.836730Z mysqld_safe Logging to '/usr/local/mysql/data/shhy-dw-application.err'.
2017-10-11T01:35:35.840516Z mysqld_safe Logging to '/usr/local/mysql/data/shhy-dw-application.err'.
2017-10-11T01:35:35.868903Z mysqld_safe Starting mysqld daemon with databases from /usr/local/mysql/data

執行完命令後，mysql會自動安全模式重啟（注意：切記此時不要在再此shell視窗進行任何操作），此時，則新開ssh視窗或者使用遠端機器（已安裝MySQL客戶端的Windows）的命令列進行連線訪問：

3、命令列連線mysql資料庫。此時無需指定密碼。

[[email protected] ~]# mysql -h10.10.9.35 -uroot
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 8
Server version: 5.7.17 MySQL Community Server (GPL)

Copyright (c) 2000, 2013, 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> use mysql
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A

Database changed

mysql> select user,host,authentication_string,password_expired from mysql.user;
+-----------+-----------+-------------------------------------------+------------------+
| user | host | authentication_string | password_expired |
+-----------+-----------+-------------------------------------------+------------------+
| root | localhost | *895A2D9FF0E9EFA56E84678045BB050034435B72 | Y |
| mysql.sys | localhost | *THISISNOTAVALIDPASSWORDTHATCANBEUSEDHERE | N |
+-----------+-----------+-------------------------------------------+------------------+
2 rows in set (0.00 sec)

mysql> update user set authentication_string=password('admin321') where user='root';
Query OK, 1 row affected, 1 warning (0.00 sec)
Rows matched: 1 Changed: 1 Warnings: 1

mysql> update user set password_expired='N' where user='root';
Query OK, 1 row affected (0.00 sec)
Rows matched: 1 Changed: 1 Warnings: 0

mysql> update user set host='%' where user=root;
ERROR 1054 (42S22): Unknown column 'root' in 'where clause'
mysql> update user set host='%' where user='root';
Query OK, 1 row affected (0.00 sec)
Rows matched: 1 Changed: 1 Warnings: 0

mysql> select user,host,authentication_string,password_expired from mysql.user;
+-----------+-----------+-------------------------------------------+------------------+
| user | host | authentication_string | password_expired |
+-----------+-----------+-------------------------------------------+------------------+
| root | % | *2A29AD291780ABA691DA40E5900F63BCD40CB849 | N |
| mysql.sys | localhost | *THISISNOTAVALIDPASSWORDTHATCANBEUSEDHERE | N |
+-----------+-----------+-------------------------------------------+------------------+
2 rows in set (0.00 sec)

mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)

4、如需要可永久關閉mysql密碼過期功能限制：

修改全域性配置檔案 /etc/my.cnf 或者 /usr/local/mysql/support-files/my-default.cnf 檔案（最後同時加上）
如下（如有則直接修改）：
[mysqld]
default_password_lifetime=0

5、關閉當前使用安全MySQL模式的服務，直接kill -9 解決

^C
[[email protected] bin]#
[[email protected] bin]#
[[email protected] bin]#
[[email protected] bin]# ps -ef|grep mysql
root 1557 1437 0 09:35 pts/1 00:00:00 /bin/sh ./mysqld_safe --skip-grant-tables
mysql 1643 1557 0 09:35 pts/1 00:00:02 /usr/local/mysql/bin/mysqld --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data --plugin-dir=/usr/local/mysql/lib/plugin --user=mysql --skip-grant-tables --log-error=/usr/local/mysql/data/shhy-dw-application.err --pid-file=/usr/local/mysql/data/shhy-dw-application.pid
root 1743 1719 0 09:51 pts/0 00:00:00 mysql -h10.10.9.35 -uroot
root 1953 1437 0 10:45 pts/1 00:00:00 grep mysql
[[email protected] bin]# kill -9 1557
[[email protected] bin]# kill -9 1643
[1]+ Killed ./mysqld_safe --skip-grant-tables
[[email protected] bin]# ps -ef|grep mysql
root 1743 1719 0 09:51 pts/0 00:00:00 mysql -h10.10.9.35 -uroot
root 1956 1437 0 10:46 pts/1 00:00:00 grep mysql

重啟服務，即可使用修改後的密碼admin321進行訪問了。

[[email protected] bin]# service mysqld status
MySQL is not running, but PID file exists[FAILED]
[[email protected] bin]# service mysqld start
Starting MySQL[ OK ]
[[email protected] bin]# ps -ef|grep mysql
root 1997 1 0 10:48 pts/1 00:00:00 /bin/sh /usr/local/mysql/bin/mysqld_safe --datadir=/usr/local/mysql/data --pid-file=/usr/local/mysql/data/shhy-dw-application.pid
mysql 2099 1997 5 10:48 pts/1 00:00:00 /usr/local/mysql/bin/mysqld --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data --plugin-dir=/usr/local/mysql/lib/plugin --user=mysql --log-error=/usr/local/mysql/data/shhy-dw-application.err --pid-file=/usr/local/mysql/data/shhy-dw-application.pid
root 2131 1437 0 10:48 pts/1 00:00:00 grep mysql
[[email protected] bin]#

[[email protected] bin]# mysql -uroot -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.7.17 MySQL Community Server (GPL)

Copyright (c) 2000, 2013, 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> use mysql
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A

Database changed

【札記】Linux下 MySQL-5.7.17 tar.gz 包方式安裝部署後出現密碼過期的問題解決（不修改/etc/my.cnf檔案）

【札記】Linux下 MySQL-5.7.17 tar.gz 包方式安裝部署後出現密碼過期的問題解決（不修改/etc/my.cnf檔案）

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【札記】Linux下 MySQL-5.7.17 tar.gz 包方式安裝部署後出現密碼過期的問題解決（不修改/etc/my.cnf檔案）

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