Linux服务器mysql数据库版本升级

https://jingyan.baidu.com/article/fea4511aae67fcb7ba912550.html

 https://www.cnblogs.com/Dark-fire-liehuo/p/9810827.html

http://baijiahao.baidu.com/s?id=1655769152512524764&wfr=spider&for=pc

https://blog.csdn.net/weixin_44328487/article/details/101430516

https://www.cnblogs.com/hjw-zq/p/8809227.html

--linux 内核

https://www.cnblogs.com/ywcz060/p/5566086.html

http://www.ttlsa.com/linux/linux-kernel-tuning-section-parameter-description/