• Edit
  • Delete

ubuntu boot startup debugging

  • After BIOS press "ESC" repeatedly to enter Grub menu
  • (Press key down to select the lastest Ubuntu kernel without rescue mode)
  • Press "e"
  • Find the line starting with "linux" and remove from the end "quiet splash vt.handoff=xxx"
  • Hit F10
  • You can now see all startup output

Boot without graphical interface

  • Same as above, but add "single" at the end of the line starting with "linux"

Make changes permanent

  • vi /etc/default/grub
    • remove / comment out "quiet splash"
    • #GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
      GRUB_CMDLINE_LINUX_DEFAULT=""
  • update-grub
  • reboot