I have multiple servers with Ubuntu 18.04.5 LTS. After running apt-get upgrade I received this error on each of my servers.
Setting up grub-efi-amd64 (2.04-1ubuntu44) ... Creating config file /etc/default/grub with new version Installing for x86_64-efi platform. grub-install: error: cannot find EFI directory. Failed: grub-install --target=x86_64-efi WARNING: Bootloader is not properly installed, system may not be bootable Setting up grub-efi-amd64-signed (1.167~18.04.1+2.04-1ubuntu44) ... Installing for x86_64-efi platform. grub-install: error: cannot find EFI directory. dpkg: error processing package grub-efi-amd64-signed (--configure): installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1 Setting up grub-efi (2.02-2ubuntu8.23) ... Processing triggers for install-info (6.5.0.dfsg.1-2) ... Processing triggers for systemd (237-3ubuntu10.47) ... Processing triggers for man-db (2.8.3-2ubuntu0.1) ... Processing triggers for ureadahead (0.100.0-21) ... Errors were encountered while processing: grub-efi-amd64-signed E: Sub-process /usr/bin/dpkg returned an error code (1) I tried
apt-get remove --purge grub* apt-get install grub-efi I received the same error.
parted -l
Model: ATA INTEL SSDSC2BB48 (scsi) Disk /dev/sda: 480GB Sector size (logical/physical): 512B/4096B Partition Table: msdos Disk Flags: Number Start End Size Type File system Flags 1 2097kB 538MB 536MB primary ext4 boot, raid 2 538MB 480GB 479GB primary ext4 raid 3 480GB 480GB 536MB primary linux-swap(v1) Model: ATA INTEL SSDSC2BB48 (scsi) Disk /dev/sdb: 480GB Sector size (logical/physical): 512B/4096B Partition Table: msdos Disk Flags: Number Start End Size Type File system Flags 1 2097kB 538MB 536MB primary ext4 boot, raid 2 538MB 480GB 479GB primary ext4 raid 3 480GB 480GB 536MB primary linux-swap(v1) Model: Linux Software RAID Array (md) Disk /dev/md2: 479GB Sector size (logical/physical): 512B/4096B Partition Table: loop Disk Flags: Number Start End Size File system Flags 1 0.00B 479GB 479GB ext4 Model: Linux Software RAID Array (md) Disk /dev/md1: 536MB Sector size (logical/physical): 512B/4096B Partition Table: loop Disk Flags: Number Start End Size File system Flags 1 0.00B 536MB 536MB ext4 lsblk -o name,mountpoint,label,size,fstype,uuid,partuuid | egrep -v "^loop"
NAME MOUNTPOINT LABEL SIZE FSTYPE UUID PARTUUID sda 447.1G ├─sda1 511M linux_raid_member c364765a-3520-35be-a4d2-adc226fd5302 b6b3ff9d-01 │ └─md1 /boot /boot 511M ext4 97d71870-bf9f-417c-b574-a2029e1d3957 ├─sda2 446.1G linux_raid_member 7dd31816-8619-f750-a4d2-adc226fd5302 b6b3ff9d-02 │ └─md2 / / 446.1G ext4 ff05852d-7f0f-4f80-ab89-cfe3397b6411 └─sda3 [SWAP] swap-sda3 511M swap 86e64442-6f61-4606-9e87-18af89b5feab b6b3ff9d-03 sdb 447.1G ├─sdb1 511M linux_raid_member c364765a-3520-35be-a4d2-adc226fd5302 5c50a432-01 │ └─md1 /boot /boot 511M ext4 97d71870-bf9f-417c-b574-a2029e1d3957 ├─sdb2 446.1G linux_raid_member 7dd31816-8619-f750-a4d2-adc226fd5302 5c50a432-02 │ └─md2 / / 446.1G ext4 ff05852d-7f0f-4f80-ab89-cfe3397b6411 └─sdb3 [SWAP] swap-sdb3 511M swap 9f3d62fc-3c8c-474c-b844-fe7e325d19a2 5c50a432-03 cat /etc/fstab
# <file system> <mount point> <type> <options> <dump> <pass> /dev/md2 / ext4 errors=remount-ro,discard 0 1 /dev/md1 /boot ext4 errors=remount-ro,discard 0 1 /dev/sda3 swap swap defaults 0 0 /dev/sdb3 swap swap defaults 0 0 proc /proc proc defaults 0 0 sysfs /sys sysfs defaults 0 0 1 Answer
The solution for me was :
sudo apt remove grub-efi-amd64-signed sudo apt install grub-pc On a OVH server (kimsufi)
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