如何在CentOS⼀RHEL上安装或升级新的内核版本

2025年03月23日 18:16
有1个网友回答
网友(1):

1、对于CentOS/RHEL系统,尽量使用yum方式或RPM包安装/升级内核,需要注意的是红帽的Red Hat Linux服务需要订阅。

2、使用安装新内核而不是直接升级内核,安装新内核不会覆盖旧内核,而升级会导致新内核直接替换旧内核,可能会导致系统无法启动,安装也可以让我们在升级后有回滚的选择。

3、一般地,对于大多数Linux分发版,使用yum/dnf和分发版布官方的存储库来升级内核,这种方式只能升级到该分发版的存储库提供的最新版本,而不是Linux内核组织发布的最新内核。

4、如果想迅速并且安全地使用最新内核,对于CentOS/RHEL系统并不支持yum的方式直接安装或升级。那么此时我们可以使用ELRepo(第三方存储库)进行内核安装升级。

5、下载新内核的源码包进行编译安装,这种方式有助于我们更细致地学习内核底层知识,但在生产环境中不推荐编译安装。

6、尽量使用最新的Linux发行版,新的Liunx发行版包含该发行版维护的新内核,如果有必要,那么请使用如yum upgrade或者yum update来更新你的系统。对于Ubuntu、Debian等发行版,使用apt-get update方式来更新。

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