http://www.360doc.com/content/15/0608/17/15798950_476597844.shtml
相关yum-cron说明有一些
CentOS yum update 不升级内核版本方法
https://blog.csdn.net/dylloveyou/article/details/72529653
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exclude=kernel*
exclude=centos-release*
直接使用命令: yum update -y --exclude=kernel* --exclude=centos-release*
如有报错再加上: yum update -y --exclude=kernel* --exclude=centos-release* --exclude=kmod-*
多个用逗号分开:
[root@bogon ~]# yum update --exclude=kernel* --exclude=centos-release* --exclude=postfix*,kmod*,tzdata-*,