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This version is obsolete. Please use nfsrb2.

NFS root file system builder

The tools in this repo allow to create NFS root file systems for OpenBSD from OpenBSD, NetBSD or GNU/Linux automatically.

Prerequisites

No additional prerequisites required for a default OpenBSD installation.

How to use

  1. Create a configuration for NFS rootfs creation process (see machine-name.conf.example for an example)
  1. Start the creation process (you need to be root!): 
    # /path/to/nfsrb-openbsd.sh machine-name.conf
nfsrb-openbsd: Now downloading files...
[...]
nfsrb-openbsd: Finished.
nfsrb-openbsd: Signify public keys missing for OpenBSD 6.0 or not running under OpenBSD.
nfsrb-openbsd: Checking validity of files with SHA256 hashes...
`base60.tgz' is valid.
`man60.tgz' is valid.
`bsd' is valid.
Finished.
nfsrb-openbsd: Creating swap file... OK
nfsrb-openbsd: Now extracting base60.tgz... OK
nfsrb-openbsd: Now extracting man60.tgz... OK
nfsrb-openbsd: Now extracting builtin etc.tgz... OK
nfsrb-openbsd: Now configuring file system... 
nfsrb-openbsd: Creating devices... nfsrb-openbsd: Only created `/dev/console' as we're not running under OpenBSD. Please use root FS in single user mode and create devices manually (`mount -uw / && cd /dev && ./MAKEDEV all`) before going multi-user.
nfsrb-openbsd: Creating `/etc/fstab'... OK
nfsrb-openbsd: Creating `/etc/myname'... OK
nfsrb-openbsd: Creating `/etc/hosts'... OK
nfsrb-openbsd: Creating `/etc/mygate'... OK
nfsrb-openbsd: Creating `/etc/resolv.conf'... OK
nfsrb-openbsd: `/etc/hostname.fxp0' not created because platform is "i386"
nfsrb-openbsd: Installing kernel... OK
nfsrb-openbsd: Placing OpenBSD version number and build date in `/srv/nfs/openbsd/6.0/i386/machine-name/root/etc/openbsd_version'... OK
nfsrb-openbsd: Placing nfsrb version in `/srv/nfs/openbsd/6.0/i386/machine-name/root/etc/nfsrb_version'... OK

    NOTICE: For target and host OpenBSD versions since 5.5 file validity can be checked with signify(1). The builder uses signify(1) on OpenBSD 5.5 and greater and sha256(1) on OpenBSD 5.4 and smaller. On other OSes only the hash values are checked.

  1. Precreate OpenSSL/OpenSSH keys for the target system (optional!) 
    # /path/to/gen-keys-openbsd.sh /srv/nfs/machine-name/root/
gen-keys-openbsd: Warning: Host OS is GNU/Linux. Generating available SSH key types of host OS only.
gen-keys-openbsd: Generating keys...
openssl: generating isakmpd/iked RSA key... done
ssh-keygen: generating openssh keys... dsa ecdsa ed25519 rsa done

    NOTICE: The key generation on the host comes in handy for slow target machines (e.g. SUN SPARCstation 10 or SPARCclassic) which need a considerable amount of time to create SSH keys. If your host OS is older than the target OS, or if it is NetBSD or GNU/Linux, you can still create the SSH key types that are available on your host OS. On first run the target machine will create the missing keys.

License

(GPLv3)

Copyright (C) 2014-2016 Frank Scheiner

The software is distributed under the terms of the GNU General Public License

This software is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.