Ask Ubuntu Asked by davidcafe on December 16, 2020
I have read several solutions to this problem but they did not address a non dual boot standard 14.04 install. Below is the structure of my disk. I tried to paste a picture of gparted but apparently don’t have enough moxy to use pictues. I had intended to use gparted to fix the problem if it can be fixed. I need more boot sector space to do a standard upgrade of Ubuntu.
[Filesystem 1K-blocks Used Available Use% Mounted on
/dev/mapper/ubuntu--vg-root 475802696 20276728 431333560 5% /
none 4 0 4 0% /sys/fs/cgroup
udev 1953252 12 1953240 1% /dev
tmpfs 392888 1388 391500 1% /run
none 5120 0 5120 0% /run/lock
none 1964428 5028 1959400 1% /run/shm
none 102400 76 102324 1% /run/user
/dev/sda2 241965 226665 2808 99% /boot
/dev/sda1 523248 3428 519820 1% /boot/efi
I am at a loss to translate what I have read to what my disk configuration is. Since this is a result of taking the defaults during the install can the boot partition be expanded and how is that done?
That's because you're looking in the wrong direction. To see your disk partition information, use sudo fdisk -l /dev/sda
.
Rather than risking fiddling with disk partitions (although I'll get to that), I suggest that you find out what is using 99% of /boot
.
See the question and my answer at this post
And now, how to risk destroying your disk by "adjusting" partitions.
Step 1.
Make absolutely sure you have a backup that you can restore.
Step 2.
Download and burn to a USB key a "GParted Live" distribution. Google will help you find one.
Step 3.
Shutdown your system the official way, not by pulling the plug or the vulcan nerve pinch. This will let the system get the filesystems on the disk into stable, up-to-date states.
Step 4.
Boot from the GParted Live USB key
Step 5.
Tell GParted which disk you want to "fix". Once it's selected, GParted will show you a picture of the disk layout.
Step 6.
You can use GParted to resize partitions into adjacent I've had trouble before Free Space, or shrink them (don't go below the size the filesystem thinks is used) to create Free Space.
You can use Gparted to move partitions, but cannot change the order.
GParted will store your intended actions, and do them all at the end, once it gives you a final Go/No-Go choice.
Step 7.
As your penultimate action, tell GParted to run fsck
on each and every partition you've touched.
Step 8.
If you are happy with what you have set up (and be sure to check and recheck - are you sure you can restore the backup?) tell Gparted to proceed.
Step 9.
Wait. Interrupting partition moves, GParted at work, etc leads straight to doorstop mode. (Your disk becomes more useful as a doorstop than connected to a computer).
Step 10.
Shut down GParted, remove the USB key and reboot.
Step 11.
YMMV, not responsible, Linux is a powerful tool, THIS IS RISKY!
Answered by waltinator on December 16, 2020
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