how to set usb key bootable

[Vincent DEFERT]

Hi,

You need to add the following line to /boot/loader.conf:

vfs.mountroot.timeout="10"

(and check the device name in /etc/fstab)

Cheers,

Vincent


On 23/02/2020 14:53, tech-lists at zyxst.net wrote:
> Hello,
>
> I'm trying to make a GPT-formatted usb stick bootable and despite looking in
> the handbook, I cannot find an example using this. The context is a wholly
> freebsd-12-stable system. No dual-boot. The reason I want the usb key is to
> experiment with various configs in a safe environment. The key is 32GB, on it
> I've made an 8GB swap partition and have installed freebsd to the remaining
> space.
>
> It all installed OK but now when I go into the bios and select the key to
> boot, it gets looked at then proceeds to load the normal HD environment as it
> would if the key was not plugged in at all.
>
> I suspect something needs to be added in the config on the key to make it
> bootable. Can anyone tell me what that would be please? I know that with MBR
> one has a flag, somewhere. It's normally turned on as part of the install. I
> don't know where though. Is it the same with GPT ?
>
> thanks,