Clear /BOOT Linux Ubuntu
1. uname -r @check Current Linux Kernal
2. dpkg --list 'linux-image*' @List All Linux kernel Images Store in /BOOT
- Manual delete
$sudo apt-get remove linux-image-VERSION @Manual delete Linux kernel Images
- Auto remove (recommend)
$sudo apt-get autoremove
- Update
$sudo apt-get update
- Run Grub Update
$sudo update-grub
