grub

root@ubuntu:/# apt-get install --reinstall grub-efi-amd64
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
  efibootmgr grub-common grub-efi-amd64-bin grub-pc-bin grub2-common
Suggested packages:
  multiboot-doc grub-emu xorriso desktop-base
The following packages will be REMOVED:
  grub-gfxpayload-lists grub-pc
The following NEW packages will be installed:
  efibootmgr grub-efi-amd64 grub-efi-amd64-bin
The following packages will be upgraded:
  grub-common grub-pc-bin grub2-common
3 upgraded, 3 newly installed, 2 to remove and 178 not upgraded.
Need to get 722 kB/3,781 kB of archives.
After this operation, 2,399 kB of additional disk space will be used.
Do you want to continue? [Y/n]
Get:1 http://fi.archive.ubuntu.com/ubuntu/ trusty-updates/main efibootmgr amd64 0.5.4-7ubuntu1.2 [28.4 kB]
Get:2 http://fi.archive.ubuntu.com/ubuntu/ trusty-updates/main grub-efi-amd64-bin amd64 2.02~beta2-9ubuntu1.4 [649 kB]
Get:3 http://fi.archive.ubuntu.com/ubuntu/ trusty-updates/main grub-efi-amd64 amd64 2.02~beta2-9ubuntu1.4 [45.0 kB]
Fetched 722 kB in 0s (1,388 kB/s)
Preconfiguring packages ...
(Reading database ... 167603 files and directories currently installed.)
Removing grub-gfxpayload-lists (0.6) ...
Removing grub-pc (2.02~beta2-9ubuntu1.3) ...
Processing triggers for man-db (2.6.7.1-1ubuntu1) ...
Selecting previously unselected package efibootmgr.
(Reading database ... 167584 files and directories currently installed.)
Preparing to unpack .../efibootmgr_0.5.4-7ubuntu1.2_amd64.deb ...
Unpacking efibootmgr (0.5.4-7ubuntu1.2) ...
Preparing to unpack .../grub2-common_2.02~beta2-9ubuntu1.4_amd64.deb ...
Unpacking grub2-common (2.02~beta2-9ubuntu1.4) over (2.02~beta2-9ubuntu1.3) ...
Preparing to unpack .../grub-pc-bin_2.02~beta2-9ubuntu1.4_amd64.deb ...
Unpacking grub-pc-bin (2.02~beta2-9ubuntu1.4) over (2.02~beta2-9ubuntu1.3) ...
Preparing to unpack .../grub-common_2.02~beta2-9ubuntu1.4_amd64.deb ...
Unpacking grub-common (2.02~beta2-9ubuntu1.4) over (2.02~beta2-9ubuntu1.3) ...
Selecting previously unselected package grub-efi-amd64-bin.
Preparing to unpack .../grub-efi-amd64-bin_2.02~beta2-9ubuntu1.4_amd64.deb ...
Unpacking grub-efi-amd64-bin (2.02~beta2-9ubuntu1.4) ...
Selecting previously unselected package grub-efi-amd64.
Preparing to unpack .../grub-efi-amd64_2.02~beta2-9ubuntu1.4_amd64.deb ...
Unpacking grub-efi-amd64 (2.02~beta2-9ubuntu1.4) ...
Processing triggers for man-db (2.6.7.1-1ubuntu1) ...
Processing triggers for install-info (5.2.0.dfsg.1-2) ...
Processing triggers for ureadahead (0.100.0-16) ...
Setting up efibootmgr (0.5.4-7ubuntu1.2) ...
Setting up grub-common (2.02~beta2-9ubuntu1.4) ...
Setting up grub2-common (2.02~beta2-9ubuntu1.4) ...
Setting up grub-pc-bin (2.02~beta2-9ubuntu1.4) ...
Setting up grub-efi-amd64-bin (2.02~beta2-9ubuntu1.4) ...
Setting up grub-efi-amd64 (2.02~beta2-9ubuntu1.4) ...
Generating grub configuration file ...
Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported.
Found linux image: /boot/vmlinuz-3.19.0-25-generic
Found initrd image: /boot/initrd.img-3.19.0-25-generic
done