modprobe ufs

apt-get install ufsutils

mount -r -t ufs -o ufstype=ufs2,ro /dev/sdb2 /mnt/ufsdrive

The above is what I did to get a ufs partition mounted read-only (best I could get).

Now sure why I had to mount it only read-only or why it was the second partition (it was a fresh format on FreeNAS’es part) but yeah..

Here’s more:

Mario Loria is a builder of diverse infrastructure with modern workloads on both bare-metal and cloud platforms. He's traversed roles in system administration, network engineering, and DevOps. You can learn more about him here.