MySQL命令列登陸取消密碼警告

mysql命令列-u -p登陸時，會出現標黃字型的這種警告

一般有這幾種方式解決：

1.將密碼寫入到主配置檔案中

[root@localhost ~]# vim /etc/my.cnf

[mysqldump]
user=root
password=123456
[mysql]
user=root
password=123456

[root@mysql02 ~]# mysql

welcome to the mysql monitor. commands end with ; or \g.
your mysql connection id is 8
server version: 8.0.20 mysql community server - gpl
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>

[root@localhost ~]# mysql_config_editor set --user=root --host=localhost --port=3306 --password

enter password: 輸入密碼

3.直接使用命令登入，遮蔽錯誤資訊

[root@localhost ~]# mysql -uroot -p123456 2>/dev/null

welcome to the mysql monitor. commands end with ; or \g.
your mysql connection id is 8
server version: 8.0.20 mysql community server - gpl
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>

將密碼設定為常量

export mysql_pwd=

使用如下，一般針對指令碼：

[root@mysql02 ~]# export mysql_pwd=123456

[root@mysql02 ~]# mysql -uroot
welcome to the mysql monitor. commands end with ; or \g.
your mysql connection id is 9
server version: 8.0.20 mysql community server - gpl
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>

指令碼中也可以這樣寫。

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