Ubuntu无法调整分区/ boot的大小

我无法调整分区启动的大小，我查看了很多tut，但没有任何效果。我不知道为什么 我想调整sda5的大小并从中取出1gb，然后将1gb送至/ Boot

我在终端中输入sudo fdisk -l的人：

Disk /dev/sda: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders, total 312581808 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x000d4537

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1            2048      499711      248832   83  Linux
/dev/sda2          501758   312580095   156039169    5  Extended
/dev/sda5          501760   312580095   156039168   8e  Linux LVM

Disk /dev/mapper/ubuntu-root: 157.6 GB, 157642915840 bytes
255 heads, 63 sectors/track, 19165 cylinders, total 307896320 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/mapper/ubuntu-root doesn't contain a valid partition table

Disk /dev/mapper/ubuntu-swap_1: 2139 MB, 2139095040 bytes
255 heads, 63 sectors/track, 260 cylinders, total 4177920 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/mapper/ubuntu-swap_1 doesn't contain a valid partition table

我认为您无法调整当前正在使用的分区的大小。您可能必须从USB引导或双重引导才能调整分区大小。