openbsd-netboot-nfs-root.md

Preparation and configuration

Host

dhcpd

/etch/dhcpd.conf

option  domain-name "my.domain";
option  domain-name-servers 192.168.185.1;
    
subnet 192.168.185.0 netmask 255.255.255.0 {
        option routers 192.168.185.1;
        range 192.168.185.2 192.168.185.254;
        host obtest {
                hardware ethernet 00:0c:29:25:12:fe;
                filename "pxeboot";
                next-server 192.168.185.1;
                fixed-address 192.168.185.2;
        }
}

bootparams

obtest.test \
root=192.168.185.1:/src/root.openbsd.src.amd64 \
swap=192.168.185.1:/src/swap.openbsd.src.amd64

pf

set skip on <yourlocalif>

NFS root

Files

• ${rootdir}/bsd
• baseXX.tgz extracted and configured (see openbsd-minimal-install.md)

Configuration

• ${rootdir}/etc/boot.conf
  • set tty com
  • stty com0 115200
  • boot bsd
• ${rootdir}/etc/fstab
  • 192.168.185.1:${rootdir} / nfs rw
• ${rootdir}/etc/rc.conf.local
  • XXX
• ${rootdir}/etc/sysctl.conf
  • XXX
• ${rootdir}/etc/ttys
  • XXX

Target

• BIOS configured to do PXE
• With a network I/F

Step

XXX