ubuntu发行版内核源码下载

Ubuntu 发行版linux内核在哪里？

1. 内核安装包：http://archive.ubuntu.com/ubuntu/pool/main/l/linux/

2. 内核源码：https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/

3. 实时ubunut内核/PREEMPT-RT实时内核源码：https://git.launchpad.net/~git-ubuntu-import/ubuntu/+source/linux-meta-realtime

4. linux社区PREEMPT-RT存储库
   http://git.kernel.org/cgit/linux/kernel/git/rt/linux-rt-devel.git
   http://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git
   https://cdn.kernel.org/pub/linux/kernel/projects/rt/

如何升级ubuntu发行版：

sudo apt upgrade -y
sudo apt dist-upgrade -y

尝试打补丁：git apply --reject xxx.patch