Обновляем ядро Ubuntu

1. Смотрим, какой версии ядро установлено у вас сейчас:

   uname -r
   2.6.32-37-generic-pae

2. Далее смотрим доступные версии:

   apt-cache search linux-image

   Из всех вариантов берем те версии, которые оканчиваются на generic-pae:

   linux-image-2.6.32-21-generic-pae - Linux kernel image for version 2.6.32 on x86
   linux-image-2.6.32-22-generic-pae - Linux kernel image for version 2.6.32 on x86
   linux-image-2.6.32-23-generic-pae - Linux kernel image for version 2.6.32 on x86
   linux-image-2.6.32-24-generic-pae - Linux kernel image for version 2.6.32 on x86
   linux-image-2.6.32-25-generic-pae - Linux kernel image for version 2.6.32 on x86
   linux-image-2.6.32-26-generic-pae - Linux kernel image for version 2.6.32 on x86
   linux-image-2.6.32-27-generic-pae - Linux kernel image for version 2.6.32 on x86
   linux-image-2.6.32-28-generic-pae - Linux kernel image for version 2.6.32 on x86
   linux-image-2.6.32-29-generic-pae - Linux kernel image for version 2.6.32 on x86
   linux-image-2.6.32-30-generic-pae - Linux kernel image for version 2.6.32 on x86
   linux-image-2.6.32-31-generic-pae - Linux kernel image for version 2.6.32 on x86
   linux-image-2.6.32-32-generic-pae - Linux kernel image for version 2.6.32 on x86
   linux-image-2.6.32-33-generic-pae - Linux kernel image for version 2.6.32 on x86
   linux-image-2.6.32-34-generic-pae - Linux kernel image for version 2.6.32 on x86
   linux-image-2.6.32-35-generic-pae - Linux kernel image for version 2.6.32 on x86
   linux-image-2.6.35-22-generic-pae - Linux kernel image for version 2.6.35 on x86
   linux-image-2.6.35-23-generic-pae - Linux kernel image for version 2.6.35 on x86
   linux-image-2.6.35-25-generic-pae - Linux kernel image for version 2.6.35 on x86
   linux-image-2.6.35-30-generic-pae - Linux kernel image for version 2.6.35 on x86
   linux-image-2.6.38-10-generic-pae - Linux kernel image for version 2.6.38 on x86
   linux-image-2.6.38-11-generic-pae - Linux kernel image for version 2.6.38 on x86
   linux-image-2.6.38-12-generic-pae - Linux kernel image for version 2.6.38 on x86
   linux-image-2.6.32-36-generic-pae - Linux kernel image for version 2.6.32 on x86
   linux-image-2.6.32-37-generic-pae - Linux kernel image for version 2.6.32 on x86
   linux-image-2.6.35-31-generic-pae - Linux kernel image for version 2.6.35 on x86
   linux-image-2.6.38-13-generic-pae - Linux kernel image for version 2.6.38 on x86

3. выбираем версию с наибольшим номером, т.е. :

   linux-image-2.6.38-13-generic-pae

4. устанавливаем:

   apt-get install linux-image-2.6.38-13-generic-pae

5. ищем соответствующие заголовочные файлы:

   apt-cache search headers | grep 2.6.38

6. устанавливаем:

   apt-get install linux-headers-2.6.38-13-generic-pae

7. перезагружаемся:

   reboot

8. смотрим, какое ядро загрузилось:

   uname -r
   2.6.38-13-generic-pae

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