sudoyum-yupgrade//yum-yupgrade：只升级所有包，不升级软件和系统内核，软件和内核保持原样。2.安装最新nginxRHELandderivatives
sudoyuminstallyum-utils
Tosetuptheyumrepository,createthefilenamed/etc/yum.repos.d/nginx.repowiththefollowingcontents:
vi/etc/yum.repos.d/nginx.repo
[nginx-stable]name=nginxstablerepobaseurl=