EXT2/3/4 Mount

This doesn't work any more as of 10.15.6 Catalina:

$ brew install ext4fuse

$ diskutil list
/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *251.0 GB   disk0
   1:                        EFI EFI                     314.6 MB   disk0s1
   2:                 Apple_APFS Container disk1         250.7 GB   disk0s2

/dev/disk1 (synthesized):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      APFS Container Scheme -                      +250.7 GB   disk1
                                 Physical Store disk0s2
   1:                APFS Volume Macintosh SSD - Data    131.6 GB   disk1s1
   2:                APFS Volume Preboot                 105.1 MB   disk1s2
   3:                APFS Volume Recovery                1.0 GB     disk1s3
   4:                APFS Volume VM                      3.2 GB     disk1s4
   5:                APFS Volume Macintosh SSD           11.3 GB    disk1s5

/dev/disk2 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:     FDisk_partition_scheme                        *2.0 TB     disk2
   1:                      Linux                         2.0 TB     disk2s1

$ sudo mkdir /Volumes/usbhdd
Password:

$ sudo chown myuser /Volumes/usbhdd/

$ls -la /Volumes/
total 0
drwxr-xr-x   5 root   wheel  160 24 Jan 11:06 .
drwxr-xr-x  22 root   admin  704 15 Aug 11:29 ..
lrwxr-xr-x   1 root   wheel    1 23 Jan 17:19 Macintosh SSD -> /
drwxr-xr-x@  4 root   wheel  128 15 Aug 11:33 Recovery
drwxr-xr-x   2 myuser wheel   64 24 Jan 11:06 usbhdd

$ sudo ext4fuse /dev/disk2s1 /Volumes/usbhdd -o allow_other

$ sudo umount /Volumes/usbhdd

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