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| -rw-r--r-- | hurd/subhurd.mdwn | 61 |
1 files changed, 40 insertions, 21 deletions
diff --git a/hurd/subhurd.mdwn b/hurd/subhurd.mdwn index 7b6cad67..f04e0f5a 100644 --- a/hurd/subhurd.mdwn +++ b/hurd/subhurd.mdwn @@ -27,12 +27,47 @@ requires a privileged subhurd. # Howto -## Preparing +## Quick hack: Use an existing image -To run a subhurd, you need an additional partition with an installed Hurd -system. In principle, you can also use your main partition in read-only mode; -but this obviously will create severe limitations. Usually, you will want a -complete independent system. +You can download a Debian/Hurd image +[[here|https://people.debian.org/~sthibault/hurd-i386/]] and directly +boot it: + + $ wget --no-check-certificate https://people.debian.org/~sthibault/hurd-i386/debian-hurd.img.gz + $ gunzip debian-hurd.img.gz + $ boot --kernel-command-line="fastboot root=pseudo-root" -T typed part:1:file:debian-hurd.img + +The 'fastboot' is necessary to skip the filesystem check which fails +because the image assumes the root filesystem to be /etc/hd0s1. Once +booted, you can correct this: + + root@debian:~# settrans -c /dev/pseudo-root /hurd/storeio pseudo-root + root@debian:~# echo /dev/pseudo-root / ext2 defaults 0 1 >/etc/fstab + root@debian:~# halt + +From now on, `boot -T typed part:1:file:debian-hurd.img` should suffice. + +## Preparing your own image + +To run a subhurd, you need an additional partition (or a file) with an +installed Hurd system. In principle, you can also use your main +partition in read-only mode; but this obviously will create severe +limitations. Usually, you will want a complete independent system. + +The following instructions assume that the system is installed on +`/dev/hd0s1`. You can use any partition instead, or in fact just a +simple file created e.g. using dd. + +### Creating a file used as root filesystem for the Subhurd + +To create a file `my.image` of size 2 gigabytes, do + + $ dd if=/dev/zero of=my.image bs=1M count=1 seek=2000 + +(Note that it is currently problematic to create files larger than 2 +gigabytes this way.) + +### Using debootstrap The system for the subhurd is a normal Hurd installation, which could just as well run standalone. You can use any of the various possible installation @@ -45,22 +80,6 @@ debootstrap as root: debootstrap sid mnt/ http://httpredir.debian.org/debian settrans -fga mnt -### IRC, freenode, #hurd, 2013-09-15 - - <gnu_srs> Never dared to try a subhurd, any link to the howto? - <teythoon> gnu_srs: I followed - http://www.gnu.org/software/hurd/hurd/subhurd.html though using crosshurd - didn't work for me, I just used debootstrap - <teythoon> gnu_srs: and you need a separate filesystem translator (i.e. not - /) for that - <teythoon> the easiest way is to add another virtual disk to you qemu setup - <braunr> use the qemu image directly - <braunr> simplest way to set up a subhurd - <braunr> just change fstab from the host before the first boot to avoid - making the subhurd use the same hd0 drive as the host - <teythoon> braunr: nice idea :) - - ## Booting If you are using a recent version of the Hurd (>= 0.9), then you can |