Episode Details

This week on the show, we’ve got all sorts of goodies to discuss. Starting with, vmm, vkernels, raspberry pi and much more! Some iX folks are visiting from out of

This episode was brought to you by

href="http://www.digitalocean.com/" title="DigitalOcean"> href="http://www.tarsnap.com/bsdnow" title="Tarsnap">

Headlines

vmm enabled

• VMM, the OpenBSD hypervisor, has been imported into current
• It has similar hardware requirements to bhyve, a Intel Nehalem or newer CPU with the hardware virtualization features enabled in the BIOS
• AMD support has not been started yet
• OpenBSD is the only supported guest
• It would be interesting to hear from viewers that have tried it, and hear how it does, and what still needs more work ***

vkernels go COW

• The DragonflyBSD feature, vkernels, has gained a new Copy-On-Write functionality
• Disk images can now be mounted RO or RW, but changes will not be written back to the image file
• This allows multiple vkernels to share the same disk image
• “Note that when the vkernel operates on an image in this mode, modifications will eat up system memory and swap, so the user should be cognizant of the use-case. Still, the flexibility of being able to mount the image R+W should not be underestimated.”
• This is another feature we’d love to hear from viewers that have tried it out. ***

Basic support for the RPI3 has landed in FreeBSD-CURRENT

• The long awaited bits to allow FreeBSD to boot on the Raspberry Pi 3 have landed
• There is still a bit of work to be done, some of the as mentioned in Oleksandr’s blog post:
• Raspberry Pi support in HEAD

“Raspberry Pi 3 limited support was committed to HEAD. Most of drivers should work with upstream dtb, RNG requires attention because callout mode seems to be broken and there is no IRQ in upstream device tree file. SMP is work in progress. There are some compatibility issue with VCHIQ driver due to some assumptions that are true only for ARM platform. “

• This is exciting work. No HDMI support (yet), so if you plan on trying this out make sure you have your USB->Serial adapter cables ready to go.
• Full Instructions to get started with your RPI 3 can be found on the FreeBSD Wiki
• Relatively soon, I imagine there will be a RaspBSD build for the RPI3 to make it easier to get started
• Eventually there will be official FreeBSD images as well ***

OpenBSD switches softraid crypto from PKCS5 PBKDF2 to bcrypt PBKDF.

• After the discussion a few weeks ago when a user wrote a tool to brute force their forgotten OpenBSD Full Disk Encryption password (from a password list of possible variations of their password), it was discovered that OpenBSD defaulted to using just 8192 iterations of PKCSv5 for the key derivation function with a SHA1-HMAC
• The number of iterations can be manually controlled by the user when creating the softraid volume
<