# The GPG key of Graylog is unvalid

**URL:** <https://community.graylog.org/t/the-gpg-key-of-graylog-is-unvalid/25329>\
**Category:** Graylog Central (peer support)\
**Tags:** key\_value\
**Created:** [August 17, 2022, 2:09pm UTC](https://community.graylog.org/t/the-gpg-key-of-graylog-is-unvalid/25329 "2022-08-17T14:09:27Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Bob](https://avatars.discourse-cdn.com/v4/letter/b/ea666f/32.png) [@Bob](https://community.graylog.org/u/Bob)\
**Post date:** [August 17, 2022, 2:09pm UTC](https://community.graylog.org/t/the-gpg-key-of-graylog-is-unvalid/25329/1 "2022-08-17T14:09:27Z")

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Before you post: Your responses to these questions will help the community help you. Please complete this template if you’re asking a support question.  
**Don’t forget to select tags to help index your topic!**

**1. Describe your incident:**

 ![圖片1](https://us1.discourse-cdn.com/flex016/uploads/graylog/original/2X/e/e4e2b691e1157ea7d1eb0097a3c52d82c6c877ee.png)

when i deploy graylog on CentOS 9 stream , i found that the GPG key is error , may i think that the software is get dirty if i can not install it.

**2. Describe your environment:**

- OS Information:  
VM box
- Package Version:  
4.3
- Service logs, configurations, and environment variables:  
Cent os 9 stream

**3. What steps have you already taken to try and solve the problem?**  
i try to install other version of graylog , but it continue to list the same probrem

**4. How can the community help?**

please check if the files is bad , can help me.

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**Author:** ![gsmith](https://sea2.discourse-cdn.com/flex016/user_avatar/community.graylog.org/gsmith/32/1222_2.png) [@gsmith](https://community.graylog.org/u/gsmith)\
**Post date:** [August 17, 2022, 10:15pm UTC](https://community.graylog.org/t/the-gpg-key-of-graylog-is-unvalid/25329/2 "2022-08-17T22:15:17Z")

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Hello @Bob

I found this.

> <https://unix.stackexchange.com/questions/559168/centos-8-gpg-check-failed-errors-on-sudo-yum-update>

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**Author:** ![Bob](https://avatars.discourse-cdn.com/v4/letter/b/ea666f/32.png) [@Bob](https://community.graylog.org/u/Bob)\
**Post date:** [August 20, 2022, 9:41am UTC](https://community.graylog.org/t/the-gpg-key-of-graylog-is-unvalid/25329/3 "2022-08-20T09:41:55Z")

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> **[System-wide crypto policies in RHEL - Red Hat Customer Portal](https://access.redhat.com/articles/3666211)**
>
> This article summarizes the rationale behind Red Hat Enterprise Linux crypto policies, and provides information on its default settings, and instructions on how it can be used.

```auto
update-crypto-policies --set DEFAULT SHA1

It works
```

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**Author:** ![system](https://us1.discourse-cdn.com/flex016/uploads/graylog/original/3X/c/7/c7c09c6b5099570133d6502b83f50ba4430de5b6.png) [@system](https://community.graylog.org/u/system)\
**Post date:** [September 3, 2022, 9:42am UTC](https://community.graylog.org/t/the-gpg-key-of-graylog-is-unvalid/25329/4 "2022-09-03T09:42:18Z")

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