Insufficient boot Space

The problem of insufficient boot space is that when ubuntu11.10 is installed, the space allocated to the/boot file directory is 100 mb./boot can be separately divided into one partition or not separately divided, A boot directory is automatically created under/(root directory. By the way, linux partitions are tree-structured, And/is the root directory, which will be divided into directories that execute different jobs, therefore, a partition can be divided into only one root partition and one swap (Virtual Memory) partition. If the sub-points are slightly different, Mb is enough for separate partitioning of/boot. The boot file contains the system boot file and some kernel stuff, which is MB enough. As we all know, the Linux kernel has been updated. After the upgrade, the old kernel is not used, but the old kernel file is still in boot, occupying space, after several updates, the boot file will be fully occupied, indicating that the boot disk space is insufficient. In this case, you need to delete unused kernel files to release space for updates.
Method: www.2cto.com 1: Check the installed old kernel under the terminal: ctrl + alt + t --> enter the terminal --> enter the command: dpkg -- get-selections | grep linux is as follows:

Linux-the old kernel is followed by an image. Because I have deleted the old kernel, deinstall is displayed later. If not deleted, install is used. All we need to do is delete the Linux kernel with image.
2: delete operation: sudo apt-get remove linux-image-(Version Number) (that is, the version with image above) has incomplete uninstallation (with a prompt ), you can use sudo apt-get autoremove to delete the object. OK, so there will be a lot of boot space ..... By hensen_hhc