Re: [MirageOS-devel] Unikernels on clouds? Just a mirage....

[Mindy <mindy@xxxxxxxxxxxxxxxxxxx>]

On 11/15/2016 09:01 PM, Andrew Stuart wrote:

> > > I recently broke this, but it's fixed now.  (See 
> > > https://github.com/mirage/mirage/issues/674 for more information. We don't get 
> > > the route information via option 121 but rather via option 3, which is also 
> > > provided; this seems to work.)
> I have managed to build a Mirage unikernel but I think its DHCP might be broken.
>
> How would I rebuild my unikernel, but incorporating the fix mentioned above?
If you're building against the still-incubating MirageOS 3 (i.e., you've 
executed `opam remote add mirage-dev 
https://github.com/mirage/mirage-dev.git` before building), updating the 
charrua-client package will pick up the fix:
```
opam update
opam upgrade charrua-client
```

and then rebuild your unikernel:

```
cd where-my-unikernel-lives
mirage clean
mirage configure --dhcp true # and any other parameters you used last time
make
```

If you've built against the currently-released version of MirageOS, you 
won't have gotten the broken package in the first place, so the steps 
above won't help.  If you have any diagnostic information, I can try to 
help you debug the DHCP transaction (although perhaps we should do this 
in a GitHub issue or synchronously on IRC to avoid generating a lot of 
noise on this list).
-Mindy

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