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我的/boot分区快满了，每次重新启动系统时都会收到警告。我已经删除了旧的内核包（linux-headers ...），实际上我这样做是为了安装自动更新附带的较新内核版本。

安装新版本后，分区又快满了。那我还能删除什么？是否有其他一些与旧内核映像相关的文件？

这是我的/boot分区上的文件列表：

:~$ ls /boot/
abi-2.6.31-21-generic         lost+found
abi-2.6.32-25-generic         memtest86+.bin
abi-2.6.38-10-generic         memtest86+_multiboot.bin
abi-2.6.38-11-generic         System.map-2.6.31-21-generic
abi-2.6.38-12-generic         System.map-2.6.32-25-generic
abi-2.6.38-8-generic          System.map-2.6.38-10-generic
abi-3.0.0-12-generic          System.map-2.6.38-11-generic
abi-3.0.0-13-generic          System.map-2.6.38-12-generic
abi-3.0.0-14-generic          System.map-2.6.38-8-generic
boot                          System.map-3.0.0-12-generic
config-2.6.31-21-generic      System.map-3.0.0-13-generic
config-2.6.32-25-generic      System.map-3.0.0-14-generic
config-2.6.38-10-generic      vmcoreinfo-2.6.31-21-generic
config-2.6.38-11-generic      vmcoreinfo-2.6.32-25-generic
config-2.6.38-12-generic      vmcoreinfo-2.6.38-10-generic
config-2.6.38-8-generic       vmcoreinfo-2.6.38-11-generic
config-3.0.0-12-generic       vmcoreinfo-2.6.38-12-generic
config-3.0.0-13-generic       vmcoreinfo-2.6.38-8-generic
config-3.0.0-14-generic       vmcoreinfo-3.0.0-12-generic
extlinux                      vmcoreinfo-3.0.0-13-generic
grub                          vmcoreinfo-3.0.0-14-generic
initrd.img-2.6.31-21-generic  vmlinuz-2.6.31-21-generic
initrd.img-2.6.32-25-generic  vmlinuz-2.6.32-25-generic
initrd.img-2.6.38-10-generic  vmlinuz-2.6.38-10-generic
initrd.img-2.6.38-11-generic  vmlinuz-2.6.38-11-generic
initrd.img-2.6.38-12-generic  vmlinuz-2.6.38-12-generic
initrd.img-2.6.38-8-generic   vmlinuz-2.6.38-8-generic
initrd.img-3.0.0-12-generic   vmlinuz-3.0.0-12-generic
initrd.img-3.0.0-13-generic   vmlinuz-3.0.0-13-generic
initrd.img-3.0.0-14-generic   vmlinuz-3.0.0-14-generic

目前，我正在使用3.0.0-14-generic内核。

我无法在我的计算机上安装或更新任何软件。

利用我令人难以置信的推理能力，我推断出 /boot 已满并引起了我的心痛。

notlinus@NS0:/boot$df -h

Filesystem                Size  Used Avail Use% Mounted on\nudev                      2.0G  4.0K  2.0G   1% /dev\ntmpfs                     396M  656K  395M   1% /run\n/dev/mapper/NS0--vg-root   36G  3.6G   30G  11% /\nnone                      4.0K     0  4.0K   0% /sys/fs/cgroup\nnone                      5.0M     0  5.0M   0% /run/lock\nnone                      2.0G     0  2.0G   0% /run/shm\nnone                      100M     0  100M   0% /run/user\n/dev/sda1                 236M  234M     0 100% /boot\n

notlinus@NS0:/boot$ls -l

total 229780\n-rw-r--r-- 1 root root  1270654 Aug 12  2015 abi-3.19.0-26-generic\n-rw-r--r-- 1 root root  1271100 Sep  1  2015 abi-3.19.0-28-generic\n-rw-r--r-- …