nginx 1.4.3能直接升到1.8.1吗

nginx 1.4.3能直接升到1.8.1吗_百度知道
https://zhidao.baidu.com/question/564529441847261484.html

nginx-1.6.3平滑升级到nginx-1.8.1 - houdaiye的博客 - CSDN博客
https://blog.csdn.net/houdaiye/article/details/51218485

nginx 1.8.1 升级至 1.10.3,并启用http2 | 知者不言
https://zhizhebuyan.com/2017/03/30/nginx%201.8.1%20%E5%8D%87%E7%BA%A7%E8%87%B3%201.10.3,%E5%B9%B6%E5%90%AF%E7%94%A8http2/