Mount EFI Partition from Linux

This blog ( is the only one that gets to anywhere close to answering this question. However you need to substitute “auto” instead of “fat32” in the mount command to get it to work. “xfs” and “fat32” threw out errors – actually the mount command after mounting shows it was “vfat”!

Here’s how I mounted the EFI partition on my external 500GB drive:

sudo parted -l print
Model: ATA ST3500630AS (scsi)
Disk /dev/sdb: 500GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt

Number  Start   End     Size    File system     Name                  Flags
1      1049kB  135MB   134MB                                          bios_grub
2      135MB   345MB   210MB   fat32                                  boot
3      345MB   479MB   134MB   fat32                                  msftres
4      479MB   54.2GB  53.7GB  ntfs                                   msftdata
5      54.2GB  108GB   53.7GB  ntfs                                   msftdata
6      108GB   162GB   53.7GB  ntfs                                   msftdata
7      162GB   172GB   10.7GB  ext4
8      172GB   184GB   11.8GB  ext4
9      184GB   185GB   1074MB  linux-swap(v1)
10      185GB   228GB   42.8GB  hfs+            Apple_HFS_Untitled_2
11      228GB   282GB   53.6GB  hfs+            Apple_HFS_Untitled_3
12      282GB   335GB   53.6GB  hfs+            Apple_HFS_Untitled_4
13      335GB   389GB   53.6GB  hfs+            Apple_HFS_Untitled_5
14      389GB   488GB   99.2GB  hfs+            Apple_HFS_Untitled_6
15      488GB   489GB   650MB   hfs+            Recovery HD
16      489GB   500GB   10.9GB  hfs+            Apple_HFS_Untitled_2

sudo mount -t auto /dev/sdb2 /mnt/test

cd /mnt/test/
boot  EFI

Use kdesudo Dolphin (as Root) to view and edit files on the EFI partition

Note use of Parted (supports GPT drives) to get the partition number

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