CentOS yum安装MySQL报错-GPG公钥尚未安装

# 公钥尚未安装

```
mysql-community-libs-compat-5.7.41-1.el7.x86-64 的公钥尚未安装
失败的软件包是：mysql-community-common-5.7.xx-1.el7.x86_64
 GPG  密钥配置为：file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
```

![](/media/202305/2023-05-16_001158_3789810.9043408328520365.png)

英文提示：
```
warning: /var/cache/yum/x86_64/7/mysql57-community/packages/mysql-community-client-5.7.44-1.el7.x86_64.rpm: Header V4 RSA/SHA256 Signature, key ID 3a79bd29: NOKEY
Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql

The GPG keys listed for the "MySQL 5.7 Community Server" repository are already installed but they are not correct for this package.
Check that the correct key URLs are configured for this repository.

Failing package is: mysql-community-client-5.7.44-1.el7.x86_64
 GPG Keys are configured as: file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
```

# 解决办法
`rpm --import https://repo.mysql.com/RPM-GPG-KEY-mysql-2022`

然后再继续之前的install命令即可，比如：
(最好是回到你原来的教程去，用原来的命令)
`yum -y install mysql-community-server`

# 关联问题
密钥已安装，但是不适用于此软件包
https://wiki.bafangwy.com/doc/147/