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| it@it:~$ sudo mkdir /mnt/root; sudo mkdir -p /mnt/EFI; | |
| it@it:~$ sudo umount /dev/sdb7 | |
| it@it:~$ sudo mount /dev/sdb7 /mnt/root | |
| sudo mount -t vfat -o rw,users /dev/sdb2 /mnt/EFI | |
| it@it:~$ ls /mnt/ | |
| EFI root | |
| it@it:~$ ls /mnt/root/ | |
| bin boot cdrom dev etc home initrd.img initrd.img.old lib lib64 lost+found media mnt opt proc root run sbin srv sys tmp usr var vmlinuz vmlinuz.old | |
| it@it:~$ sudo chroot /mnt/root/ | |
| root@it:/# ping -c3 ubuntu.com | |
| PING ubuntu.com (91.189.94.40) 56(84) bytes of data. | |
| 64 bytes from ovinnik.canonical.com (91.189.94.40): icmp_seq=1 ttl=53 time=85.0 ms | |
| 64 bytes from ovinnik.canonical.com (91.189.94.40): icmp_seq=2 ttl=53 time=89.8 ms | |
| 64 bytes from ovinnik.canonical.com (91.189.94.40): icmp_seq=3 ttl=53 time=94.6 ms | |
| --- ubuntu.com ping statistics --- | |
| 3 packets transmitted, 3 received, 0% packet loss, time 2003ms | |
| rtt min/avg/max/mdev = 85.063/89.845/94.645/3.927 ms | |
| apt install --reinstall grub-efi-amd64-signed | |
| Reading package lists... Done | |
| Building dependency tree | |
| Reading state information... Done | |
| The following extra packages will be installed: | |
| efibootmgr grub-common grub-efi-amd64 grub-efi-amd64-bin grub-pc-bin | |
| grub2-common secureboot-db | |
| 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 grub-efi-amd64-signed | |
| secureboot-db | |
| The following packages will be upgraded: | |
| grub-common grub-pc-bin grub2-common | |
| 3 upgraded, 5 newly installed, 2 to remove and 450 not upgraded. | |
| Need to get 971 kB/4,032 kB of archives. | |
| After this operation, 5,443 kB of additional disk space will be used. | |
| Do you want to continue? [Y/n] Y | |
| Get:1 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main efibootmgr amd64 0.5.4-7ubuntu1.2 [28.4 kB] | |
| Get:2 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main grub-efi-amd64-bin amd64 2.02~beta2-9ubuntu1.14 [649 kB] | |
| Get:3 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main grub-efi-amd64 amd64 2.02~beta2-9ubuntu1.14 [45.3 kB] | |
| Get:4 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main grub-efi-amd64-signed amd64 1.34.16+2.02~beta2-9ubuntu1.14 [245 kB] | |
| Get:5 http://us.archive.ubuntu.com/ubuntu/ trusty/main secureboot-db amd64 1.1 [2,740 B] | |
| Fetched 971 kB in 0s (1,370 kB/s) | |
| Preconfiguring packages ... | |
| (Reading database ... 196243 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 ... 196224 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~beta2-9ubuntu1.14_amd64.deb ... | |
| Unpacking grub2-common (2.02~beta2-9ubuntu1.14) over (2.02~beta2-9ubuntu1.3) ... | |
| Preparing to unpack .../grub-pc-bin_2.02~beta2-9ubuntu1.14_amd64.deb ... | |
| Unpacking grub-pc-bin (2.02~beta2-9ubuntu1.14) over (2.02~beta2-9ubuntu1.3) ... | |
| Preparing to unpack .../grub-common_2.02~beta2-9ubuntu1.14_amd64.deb ... | |
| Unpacking grub-common (2.02~beta2-9ubuntu1.14) over (2.02~beta2-9ubuntu1.3) ... | |
| Selecting previously unselected package grub-efi-amd64-bin. | |
| Preparing to unpack .../grub-efi-amd64-bin_2.02~beta2-9ubuntu1.14_amd64.deb ... | |
| Unpacking grub-efi-amd64-bin (2.02~beta2-9ubuntu1.14) ... | |
| Selecting previously unselected package grub-efi-amd64. | |
| Preparing to unpack .../grub-efi-amd64_2.02~beta2-9ubuntu1.14_amd64.deb ... | |
| Unpacking grub-efi-amd64 (2.02~beta2-9ubuntu1.14) ... | |
| Selecting previously unselected package grub-efi-amd64-signed. | |
| Preparing to unpack .../grub-efi-amd64-signed_1.34.16+2.02~beta2-9ubuntu1.14_amd64.deb ... | |
| Unpacking grub-efi-amd64-signed (1.34.16+2.02~beta2-9ubuntu1.14) ... | |
| Selecting previously unselected package secureboot-db. | |
| Preparing to unpack .../secureboot-db_1.1_amd64.deb ... | |
| Unpacking secureboot-db (1.1) ... | |
| 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~beta2-9ubuntu1.14) ... | |
| Installing new version of config file /etc/grub.d/00_header ... | |
| Installing new version of config file /etc/grub.d/30_uefi-firmware ... | |
| Setting up grub2-common (2.02~beta2-9ubuntu1.14) ... | |
| Setting up grub-pc-bin (2.02~beta2-9ubuntu1.14) ... | |
| Setting up grub-efi-amd64-bin (2.02~beta2-9ubuntu1.14) ... | |
| Setting up grub-efi-amd64 (2.02~beta2-9ubuntu1.14) ... | |
| Generating grub configuration file ... | |
| Found linux image: /boot/vmlinuz-3.19.0-80-generic | |
| Found initrd image: /boot/initrd.img-3.19.0-80-generic | |
| Found linux image: /boot/vmlinuz-3.19.0-25-generic | |
| Found initrd image: /boot/initrd.img-3.19.0-25-generic | |
| Found memtest86+ image: /boot/memtest86+.elf | |
| Found memtest86+ image: /boot/memtest86+.bin | |
| Found Windows Recovery Environment (loader) on /dev/sdb3 | |
| Found Windows 8 (loader) on /dev/sdb5 | |
| Found Windows Recovery Environment (loader) on /dev/sdc1 | |
| done | |
| Setting up grub-efi-amd64-signed (1.34.16+2.02~beta2-9ubuntu1.14) ... | |
| Setting up secureboot-db (1.1) ... | |
| Can't access efivars filesystem at /sys/firmware/efi/efivars, aborting | |
| Rerun of same commands but this time seems to have worked : | |
| it@it:~$ sudo mkdir /mnt/root; sudo mkdir -p /mnt/EFI; | |
| it@it:~$ sudo mount /dev/sdb7 /mnt/root | |
| it@it:~$ sudo mount -t vfat -o rw,users /dev/sdb2 /mnt/EFI | |
| it@it:~$ ls /mnt/ | |
| EFI root | |
| it@it:~$ ls -la /mnt/root/boot/grub/ | |
| total 2400 | |
| drwxr-xr-x 5 root root 4096 Oct 2 03:18 . | |
| drwxr-xr-x 3 root root 4096 Oct 1 21:21 .. | |
| drwxr-xr-x 2 root root 4096 Oct 1 21:19 fonts | |
| -r--r--r-- 1 root root 10441 Oct 2 03:18 grub.cfg | |
| -rw-r--r-- 1 root root 1024 Oct 2 03:17 grubenv | |
| drwxr-xr-x 2 root root 12288 Oct 2 01:04 i386-pc | |
| drwxr-xr-x 2 root root 4096 Oct 2 01:04 locale | |
| -rw-r--r-- 1 root root 2405285 Oct 2 03:17 unicode.pf2 | |
| it@it:~$ for i in /dev /dev/pts /sys /proc /run; do sudo mount -B $i /mnt/root$i; done | |
| it@it:~$ modprobe efivars | |
| it@it:~$ sudo chroot /mnt/root/ | |
| root@it:/# ping -c3 ubuntu.com | |
| PING ubuntu.com (91.189.94.40) 56(84) bytes of data. | |
| 64 bytes from ovinnik.canonical.com (91.189.94.40): icmp_seq=1 ttl=53 time=86.5 ms | |
| 64 bytes from ovinnik.canonical.com (91.189.94.40): icmp_seq=2 ttl=53 time=90.9 ms | |
| 64 bytes from ovinnik.canonical.com (91.189.94.40): icmp_seq=3 ttl=53 time=91.7 ms | |
| --- ubuntu.com ping statistics --- | |
| 3 packets transmitted, 3 received, 0% packet loss, time 2002ms | |
| rtt min/avg/max/mdev = 86.572/89.753/91.787/2.278 ms | |
| root@it:/# apt install --reinstall grub-efi-amd64-signed | |
| Reading package lists... Done | |
| Building dependency tree | |
| Reading state information... Done | |
| 0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 450 not upgraded. | |
| Need to get 0 B/245 kB of archives. | |
| After this operation, 0 B of additional disk space will be used. | |
| (Reading database ... 196517 files and directories currently installed.) | |
| Preparing to unpack .../grub-efi-amd64-signed_1.34.16+2.02~beta2-9ubuntu1.14_amd64.deb ... | |
| Unpacking grub-efi-amd64-signed (1.34.16+2.02~beta2-9ubuntu1.14) over (1.34.16+2.02~beta2-9ubuntu1.14) ... | |
| Setting up grub-efi-amd64-signed (1.34.16+2.02~beta2-9ubuntu1.14) ... | |
| root@it:/# | |
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