Ubuntu update prompts the/boot space shortage Solution

1, Ubuntu update first best to reset the data source:

In the "Software and Updates" settings, it is best to choose the source of 163 (Main in Guangzhou)

2. Ubuntu update indicates that the/boot space is insufficient

Console use command: df-l

Found/boot used 99%

3. Check the kernel version of your system:

uname -A Linux ubuntu 3.2.0-#40-ubuntu SMP Wed may 20:30:51 UTC + x86_64 x86_64 x86_64 gnu/linux

4. View all installed kernel versions with the dpkg command

Annhe@Ubuntu:/boot$dpkg --get-selections |grepLinux-image linux-image-3.2.0- at-genericInstalllinux-image-3.2.0- --genericInstalllinux-image-3.2.0- --genericInstalllinux-image-3.2.0- --genericInstallLinux-image-genericInstall

5, uninstall the unused kernel to free up space, and then you can

Annhe@Ubuntu:/boot$sudo Apt-get Removelinux-image-3.2.0- at-generic[sudo]Password forAnnhe: Reading Package list ... Completing the dependency tree that is analyzing the package is reading state information ... Complete the following packages will be "uninstalled": linux-image-3.2.0- at-generic upgraded.0A new package, a newly installed0A package to uninstall1Packages that have2Packages have not been upgraded. Yes3A package is not fully installed or uninstalled. will be vacated after decompression149MB of space. Do you want to continue?[Y/N]

Ubuntu update prompts the/boot space shortage Solution