1.
setenv PACKAGESITE ftp://ftp.freebsd.org/pub/FreeBSD/ports/amd64/packages-9-current/Latest/
2.
To install the port:
cd /usr/ports/sysutils/fusefs-ext4fuse/ && make install clean
To add the package:
pkg_add -r fusefs-ext4fuse
3.
vi /etc/rc.conf
fusefs_enable="YES"
4.
kldload /boot/kernel/fuse.ko
5.
mkdir /mnt/myext4mount
/usr/local/bin/ext4fuse /dev/ada1 /mnt/myext4mount/
参考
http://www.forums.nas4free.org/viewtopic.php?f=64&t=1861
http://www.freshports.org/sysutils/fusefs-ext4fuse/