下面是一些控制台输出来说明该问题。我可以通过清除旧包来解决这个问题这给了我 4.6GB 的可用空间，但出于好奇，我想在这里提出这个问题，因为我已经在 Unix/Linux 环境中工作了十多年，从来没有见过这样的东西，也没有从哪里开始排除故障。没有任何意义。
ubuntu@ip-172-31-29-34:~$ df -h
Filesystem Size Used Avail Use% Mounted on
udev 487M 0 487M 0% /dev
tmpfs 100M 3.0M 97M 4% /run
/dev/xvda1 7.8G 4.6G 2.9G 62% /
tmpfs 496M 0 496M 0% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 496M 0 496M 0% /sys/fs/cgroup
tmpfs 100M 0 100M 0% /run/user/1000
ubuntu@ip-172-31-29-34:~$ sudo apt-get -f install
Reading package lists... Done
Building dependency tree
Reading state information... Done
Correcting dependencies... Done
The following packages were automatically installed and are no longer required:
linux-headers-4.4.0-65 linux-headers-4.4.0-65-generic linux-headers-4.4.0-66 linux-headers-4.4.0-66-generic linux-headers-4.4.0-70 linux-headers-4.4.0-70-generic
linux-headers-4.4.0-71 linux-headers-4.4.0-71-generic linux-headers-4.4.0-72 linux-headers-4.4.0-72-generic linux-headers-4.4.0-75 linux-headers-4.4.0-75-generic
linux-headers-4.4.0-78 linux-headers-4.4.0-78-generic linux-headers-4.4.0-79 linux-headers-4.4.0-79-generic linux-headers-4.4.0-81 linux-headers-4.4.0-81-generic
linux-headers-4.4.0-83 linux-headers-4.4.0-83-generic linux-headers-4.4.0-87 linux-headers-4.4.0-87-generic linux-image-4.4.0-65-generic
linux-image-4.4.0-66-generic linux-image-4.4.0-70-generic linux-image-4.4.0-71-generic linux-image-4.4.0-72-generic linux-image-4.4.0-75-generic
linux-image-4.4.0-78-generic linux-image-4.4.0-79-generic linux-image-4.4.0-81-generic linux-image-4.4.0-83-generic linux-image-4.4.0-87-generic
Use 'sudo apt autoremove' to remove them.
The following additional packages will be installed:
linux-headers-4.4.0-92
The following NEW packages will be installed:
linux-headers-4.4.0-92
0 upgraded, 1 newly installed, 0 to remove and 149 not upgraded.
7 not fully installed or removed.
Need to get 0 B/9,876 kB of archives.
After this operation, 70.6 MB of additional disk space will be used.
Do you want to continue? [Y/n] y
(Reading database ... 429900 files and directories currently installed.)
Preparing to unpack .../linux-headers-4.4.0-92_4.4.0-92.115_all.deb ...
Unpacking linux-headers-4.4.0-92 (4.4.0-92.115) ...
dpkg: error processing archive /var/cache/apt/archives/linux-headers-4.4.0-92_4.4.0-92.115_all.deb (--unpack):
error creating directory './usr/src/linux-headers-4.4.0-92/tools/lib/bpf': No space left on device
No apport report written because the error message indicates a disk full error
dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
Errors were encountered while processing:
/var/cache/apt/archives/linux-headers-4.4.0-92_4.4.0-92.115_all.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)