[Nix-dev] Debugging NixOS login problems

[Rickard Nilsson]

 On Fri, 6 May 2011 15:14:39 +0200, Nicolas Pierron 
 <nicolas.b.pierron at gmail.com> wrote:
> Hi Rickard,
>
> On Fri, May 6, 2011 at 14:49, Rickard Nilsson
> <rickard.nilsson at telia.com> wrote:
>>
>> I installed with the ordinary installation cd, but instead of 
>> mounting a
>> plain partition on /mnt, I mounted an NFS share. Also I disabled 
>> Grub since
>> I boot with gPXE:
>>
>>  boot.loader.grub.enable = true;
>>  boot.loader.grub.device = "nodev";
>
> If you have disabled Grub, then why do you need to enable it?
> Have you tried other boot lodaer options, such as:
> boot.loader.initScript.enable and boot.loader.generationsDir.enable

 I think I got some error when I disabled Grub, but I might be wrong. 
 The boot.loader.initScript.enable anboot.loader.generationsDir.enable 
 options seems very usable indeed. I have set up the gPXE boot script 
 manually so far. Thanks!

>
>> I also have the following in configuration.nix in order to set up 
>> the
>> network on boot:
>>
>>  boot.initrd.extraUtilsCommands =
>>    ''
>>      cp ${pkgs.iproute}/sbin/ip $out/bin
>>      cp ${pkgs.glibc}/lib/libresolv.so.* $out/lib
>>
>>      cp ${pkgs.nfsUtils}/sbin/mount.nfs $out/bin
>>      cp ${pkgs.klibc}/lib/klibc/bin.static/nfsmount $out/bin
>>    '';
>>
>>  boot.initrd.postDeviceCommands =
>>    ''
>>      ip link set eth0 up
>>      ip addr add 192.168.0.200/24 dev eth0
>>    '';
>>
>> However, I haven't got the NFS mount to work automatically yet. 
>> Instead I
>> have:
>>
>>   mountPoint = "/";
>>   fsType = "none";
>>   device = "none";
>>
>> And then I mount the root manually with "nfsmount
>> 192.168.0.1:/export/nixos_root /mnt-root" when init stage 1 
>> complains that
>> it can't mount the root device.
>
> Have you tried with a "nfs" fsType?

 Yes, it doesn't work. For some reason, running "mount -t nfs 
 192.168.0.1:/export/nixos_root /mnt-root" doesn't work, but "nfsmount 
 192.168.0.1:/export/nixos_root /mnt-root" does work. I haven't really 
 looked in to that yet, I wanted to get the system up and running first, 
 because it makes it easier to change the configuration.

   / Rickard