> > dhcp net0 > > initrd http://urania/initrd.gz > > kernel http://urania/vmlinuz boot=casper toram netboot=nfs > > nfsroot=150.243.x.x:/export/trubuntu -- boot > > We really like it as gPXE allowed us to do a network boot > without touching the DHCP server which we don't have control > of. We burned gPXE with the script to our eth card ROM via > rom-o-matic. However, I think it is a good idea to store all > the kernel parameters to a file stored on a webserver rather > than hard-coding them in the ROM so I don't have to flash the > ROM image again every time we change the parameters for the > kernel. But I haven't found anything after digging the > documentation for hours. > > Something like > > dhcp net0 > chainload http://urania/mygPXEconfig
You could use a simple CGI script to generate the config, if the web server urania has PHP support you would burn this to ROM: dhcp net0 chainload http://urania/genconf.php The CGI script genconf.php on urania would look something like this (nfsroot address has to be real, of course): <?php header ( "Content-type: text/plain" ); echo "dhcp net0\n"; echo "initrd http://urania/initrd.gz\n";; echo "kernel http://urania/vmlinuz boot=casper toram netboot=nfs nfsroot=150.243.x.x:/export/trubuntu -- boot\n" ?> If you need to change the kernel parameters you change it in genconf.php, no need the burn ROM again. You could of course make it more dynamic by using variables from the ROM script, e g: dhcp net0 chainload http://urania/genconf.php?IP=${net0/ip} And extend the CGI script to use the IP variable: <?php header ( "Content-type: text/plain" ); $ipaddr = $_GET['IP']; # ... # ... use the supplied IP address to figure out the closest webserver and nfsroot, set $closest_web and $closest_nfs # ... echo "dhcp net0\n"; echo "initrd http://$closest_web/initrd.gz\n";; echo "kernel http://$closest_web/vmlinuz boot=casper toram netboot=nfs nfsroot=$closest_nfs:/export/trubuntu -- boot\n"; ?> See http://etherboot.org/wiki/commandline for more info. Cheers, Daniel _______________________________________________ gPXE mailing list gPXE@etherboot.org http://etherboot.org/mailman/listinfo/gpxe
