[opensuse] my tftp setup - not exactly a howto

15 Dec 2019

      David C. Rankin wrote:
...
Also, I've attempted PXE setup with Apache and TFTP before but not
had much luck. You have your howto laying around on how you have your
server configed?
Sure, I'll be happy to share.  There's no black magic or trade secrets,
my setup goes back to 2006 :-)  No apache involved btw.  Only tftpd and
dhcp.

You can run the tftp daemon from xinetd or just permanently. I run it
permanently, but it doesn't matter.  

I use /srv/tftpboot as my main directory.  Whatever you want to use just
needs specifying with '-s' when starting in.tftpd. 

Next important directory is <tftpdir>/pxelinux.cfg/

Under that you will find files such as:

01-00-01-2e-6b-a0-c0

The above is for my Zotac mini PC.  AFAIK, the '01'
indicates 'ethernet', the rest is the MAC address.  

Contents:

------------------------------
#serial 0 9600
default frompxe

prompt 1
timeout 100
say Choose frompxe, leap151 or memtest:

label frompxe
    kernel zotac1/vmlinuz-4.12.14-lp151.28.36-default
    append initrd=zotac1/initrd2  noresume

label leap151
    kernel install/leap151.64bit.kernel
    append initrd=install/leap151.64bit.initrd usessh=1 sshpassword=1234
noresume
install=http://download.opensuse.org/distribution/leap/15.1/repo/oss

label memtest
    kernel memtest
------------------

In the above assume the working dir to be <tftpdir>.  Hence I have a
<tftpdir>/install directory which holds the kernels and initrds for
installable distros. 

For Leap 15.1 - 

install/kernel = 
http://download.opensuse.org/distribution/leap/15.1/repo/oss/boot/x86_64/loa...

install/initrd = 
http://download.opensuse.org/distribution/leap/15.1/repo/oss/boot/x86_64/loa...

In dhcpd.conf:

group {
    filename "pxelinux.1";
    next-server tftpserver.david.rankin;
    host sister1   { hardware ethernet 00:14:5e:4c:0d:56; fixed-address
192.168.6.201; }
    host sister2   { hardware ethernet 00:14:5e:4c:0b:2a; fixed-address
192.168.6.202; }
    host sister4   { hardware ethernet 00:14:5e:4c:0b:66; fixed-address
192.168.6.204; }
    host sister5   { hardware ethernet 00:14:5e:4c:0d:6c; fixed-address
192.168.6.205; }
    host sister6   { hardware ethernet 00:14:5e:4c:0b:5e; fixed-address
192.168.6.206; }
    host sister7   { hardware ethernet 00:14:5e:4c:0c:3c; fixed-address
192.168.6.207; }

};

"pxelinux.1" is in fact

<tftpdir>/pxelinux.1  - pxelinux.1 comes from the syslinux project. 

HTH
Per

-- 
Per Jessen, Zürich (11.2°C)

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