Linux: Remember to install MySQL8 on CentOS7 (blog collection)

Notes

Mine is a new cloud server and I have not installed mysql
[Key points] Try to manually enter commands to avoid unnecessary situations or errors

Attachment: References

1. CentOs7 installation mysql8 tutorial
2. How to solve the problem of mysql installation error: Failed dependencies
3, Linux installation mysql error: Header V4 RSA/SHA256 Signature, key ID 3a79bd29: NOKEY
4. MySQL8.0 password policy modification
5. mysqld: error whileloading shared libraries: libaio.so.1: cannot open shared object file: No such f