ubuntu 12.04.2 发布,内核更新到3.5.0

Ubuntu 12.04 使用的内核版本是 3.2.0。今天发布的Ubuntu 12.04.2 缺省使用新的内核 3.5.0-23.35,这个内核是从Quantal版本取过来的。这个内核版本基于 3.5.7.2 的扩展上游版本。

使用新版内核的目的,是为了增强对硬件的支持。由于Ubuntu 12.04 是LTS(长期支持版本),现在距离发布时间已经将近一年,一些新的硬件和驱动不能很好地支持,所以使用新版内核来弥补这一不足。

使用新的内核版本,有三种方式:
1、从之前的 12.04 直接升级过来
sudo apt-get install linux-generic-lts-quantal

2、使用新的12.04.2的媒介(CD/DVD)安装新系统

3、使用网络安装的时候,选用quantal-netboot 安装介质
http://mirrors.163.com/ubuntu/dists/precise-updates/main/installer-amd64/current/images/quantal-netboot/

如果还想保留老的3.2版本的内核,有两种方式:
1、使用新的12.04.1或者12.04的媒介(CD/DVD)安装新系统

2、使用网络安装的时候,选用netboot 安装介质
http://mirrors.163.com/ubuntu/dists/precise/main/installer-amd64/current/images/netboot/

这种内核的更新方式,与RHEL(RedHat的企业版)有比较大的区别,RedHat的方式是保持版本的稳定,大的版本号不变,而仅仅将新的硬件支持、驱动、一些新的特性从新的版本backport过来。这样RedHat即可以保持内核版本的稳定,又可以支持新的硬件和特性。很显然,RedHat的这种方式对于服务器环境更加适合,只有RedHat这种拥有大批Linux内核专家的公司才有能力去这么做。

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ubuntu 12.04.2 发布,内核更新到3.5.0》有 88 条评论

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