centos 7安装mysql5.7

https://www.librebyte.net/en/data-base/how-to-install-mysql-5-7-on-centos-7/

 

warning: /var/cache/yum/x86_64/7/mysql57-community/packages/mysql-community-client-5.7.39-1.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

解决：rpm --import https://repo.mysql.com/RPM-GPG-KEY-mysql-2022

 

25 yum list java*
26 yum install java-1.8.0-openjdk-devel.x86_64
27 java -version
28 history

redis

https://cloud.tencent.com/developer/article/1938468

 

mysql 编码

https://www.cnblogs.com/yugb/p/9789830.html

 

前端 nginx,  后端转发 /api/  localhost:8090

后端：java -jar xx.jar