| Step on the pit 1 |
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The following signatures are invalid: EXPKEYSIG 8C718D3B5072E1F5 MySQL Release Engineering
[email protected]
W: GPG error: http://repo.mysql.com/apt/ubuntu bionic InRelease: The following signatures are invalid:
EXPKEYSIG 8C718D3B5072E1F5 MySQL Release Engineering
mysql- [email protected] E: The repository "http://repo.mysql.com/apt/ubuntubionic InRelease" is not digitally signed.
N: This source cannot be safely updated with, so this source is disabled by default.
N: See the apt-secure(8) manual for details on repository creation and user configuration.
| Solution 1 |
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| I used the following signature from the blog with 200,000 online visits, but after several attempts, it still reported an error: sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 8C718D3B5072E1F5. Then there are various methods of gpg, all of which have been tried to no avail. |
After checking more than 200 links, I finally found a solution that suits me, that is, the sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 8C718D3B5072E1F5final digital signature is the string of numbers in your error message.
| Step on the pit 2 |
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| The interface cannot appear during installation, and it has been stuck on the reading agreement interface after confirming the password. |
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| Solution 2 |
| – |
You can press alt+enter to enter the above interface, so you can choose the encryption method.