Not enough free disk space on disk '/boot'(转载)
转自:http://m.oschina.net/blog/277224
# 解决
出现此情况是因为你的boot分区是单独分区的,像我只给了100M,以前装ubuntu时没有出现,所以当出现这个提示时,很纳闷,发现了答案.
为什么boot分区会满?
主要是存放了一些老的linux image镜像文件.
SO,
我们想查看我们boot分区有那些linux image,使用命令:
- dpkg -l | grep linux-image
我们发现有 linux-image-3.13.0-24-generic,linux-image-3.13.0-27-generic,linux-image-3.13.0-29-generic,这是所有的.
那我们还需要知道系统现在正在使用的是那个image,so,使用命令:
- uname -r
我的目前是3.13.0-29-generic,那么小于"29"的都是老的了.
那么我们就去删掉它/它们,
如果你只有一个老的image,则使用
sudo apt-get purge linux-image-x.x.x-xx-generic
如果有多个,像我的一样,那么
一是不断重复sudo apt-get purge linux-image-x.x.x-xx-generic,(当然我可不想这样...)
二是,那就批量了.使用命令:
sudo apt-get purge linux-image-3.13.0-{24,27}-generic
注意,当然不能包括"29"!
OK,至此问题一般都可以解决了.
以下是原文答案的拷贝.
Okay, so from the output of /etc/fstab
you posted, it seems that your /boot
is mounted on a separate partition, and from the output of df -h
, that partition is full. This is because there are some old kernels installed that are not needed; this is evident from the output of dpkg -l | grep linux-image
that you posted, where you can see more than one "linux-image" with different versions. We need to remove the old versions. First, I want you to run the command uname -r
in a terminal, this will show you the kernel version you are currently using. It will say something like this 3.5.0-26-generic
. Take a note of that number, 26
! The following commands will assume that that's the kernel you're running.
The command to remove the old kernel versions is:
- sudo apt-get purge linux-image-x.x.x-xx-generic
...where the x characters are numbers. So, in your case, we would have to run this command for each of the versions, like sudo apt-get purge linux-image-3.5.0-17-generic
, sudo apt-get purge linux-image-3.5.0-18-generic
, and so on. But, there's a way to do all of this through one command. The command is this:
- sudo apt-get purge linux-image-3.5.0-{17,18,19,21,22,23,24}-generic
DO NOT RUN THE COMMAND YET! Read the following.
This
command will remove those versions in the brackets. I've left out
versions 3.5.0-25, 3.5.0-26, and 3.5.0-28 because from your dpkg
output, your 3.5.0-28 is half configured (from the iF
status
next to it), so I'm assuming that was the one that your upgrade was
trying to upgrade to. So, a guess would say that the current running
kernel is 3.5.0-26, that's why I'm not including the number 26
in the brackets. But again, you need to find out what version you're running by uname -r
. If the last number from that output is one of the numbers in the brackets above, DO NOT RUN THE COMMAND, and let us know.
But if the last number in uname -r
is
26, or 28, or even 25, then it's safe to run the above command
(however, if it's 25, remove number 24 from the brackets). Enter your
password when prompted, and typey
when asked. This will show a bunch of lines, and will eventually go back to matty@matty-G41M-ES2L:~$
, hopefully without errors. When it's done, do df -h
and look at the last line, the one that starts with /dev/sda1
.
You should find that it now has more space, and that the percentage
used is less than 100% like it was before. You can proceed with your
update.
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