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 Forum index » Advanced Topics » Cutting edge
Creating PXE puppy (solved)
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jrb


Joined: 11 Dec 2007
Posts: 972
Location: Smithers, BC, Canada
PostPosted: Tue 11 Jan 2011, 15:23    Post subject:  
I have been pxe booting various puppies with MagicZaurus and ecomoney's dnsmasq-2.46-i486-v0.2.pet installed on my pupserver-435.iso. On the whole it is working very well but has required some special accomodations.

First I changed /root/tftpboot/Start-Netboot.sh to:
Code:
#!/bin/sh
#9jan2011-jrb-added creation of /var/lib/misc as it diappears on reboot
mkdir /var/lib/misc 2>/dev/null
ppxe start


Second internet connection doesn't work until I reset the Gateway back to my syslinux router as it takes the ip address of my fileserver as the Gateway. I can do this by running the classic network connection wizard and setting up a new static ip address or by running
Code:
route add default gw 192.168.1.1 eth0
at the command line where 192.168.1.1 is the address of my router.

So far I've booted 4 different computers and three different puppies this way successfully. I don't know if there are hazards associated with running two different dhcpcd servers on the same network. If there are please let me know. Question

Incidentally, this has allowed me to easily dual boot my wifes win7 machine. I had tried easybcd but only ended up borking the mbr. Now its as simple as pressing F12 at bootup and selecting pxeboot. Very Happy

Cheers, J
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gcmartin

Joined: 14 Oct 2005
Posts: 2640
Location: Earth
PostPosted: Tue 11 Jan 2011, 19:45    Post subject:  
@jrb Good information.
jrb wrote:
I have been pxe booting various puppies ... Second internet connection doesn't work until I reset the Gateway back to my syslinux router as it takes the ip address of my fileserver as the Gateway. I can do this by running the classic network connection wizard and setting up a new static ip address or by running
Code:
route add default gw 192.168.1.1 eth0
at the command line where 192.168.1.1 is the address of my router. ... I don't know if there are hazards associated with running two different dhcpcd servers on the same network. ...
Does this mean that the TFTP server AND your router are, both, providing DHCP services on the LAN? What is the IP address and subnet mask used by your router? And, what addresses is it issuing to your LAN machines? Further, what is the subnet mask your TFTP server using?
Thanks in advance for this
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jrb


Joined: 11 Dec 2007
Posts: 972
Location: Smithers, BC, Canada
PostPosted: Tue 11 Jan 2011, 20:43    Post subject:  
Here is the same machine booting qrky130 from the harddrive and from pxe.
Hardddrive:
Code:
eth0      Link encap:Ethernet  HWaddr 00:17:A4:1F:AD:3A 
          inet addr:192.168.1.102  Bcast:192.168.1.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:191 errors:0 dropped:0 overruns:0 frame:0
          TX packets:199 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:60397 (58.9 KiB)  TX bytes:20475 (19.9 KiB)
          Interrupt:17

lo        Link encap:Local Loopback 
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

PXE:
Code:
eth0      Link encap:Ethernet  HWaddr 00:17:A4:1F:AD:3A 
          inet addr:192.168.1.121  Bcast:192.168.1.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:252 errors:0 dropped:0 overruns:0 frame:0
          TX packets:71 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:19759 (19.2 KiB)  TX bytes:7076 (6.9 KiB)
          Interrupt:17

lo        Link encap:Local Loopback 
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)


My settings had held in the save file after setting static ip, so I had to create a new save file to duplicate the pxe behavior.
ip_pxe_boot.jpg
 Description   pxe boot
 Filesize   19.08 KB
 Viewed   1893 Time(s)

ip_pxe_boot.jpg
ip_hd_boot.jpg
 Description   harddrive boot
 Filesize   19.78 KB
 Viewed   1885 Time(s)

ip_hd_boot.jpg

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MagicZaurus

Joined: 05 Jan 2009
Posts: 88
PostPosted: Tue 11 Jan 2011, 20:47    Post subject: 2 DHCP Servers  
@ jrb & gcmartin

If you use the startup script from this How-To http://www.murga-linux.com/puppy/viewtopic.php?t=62308 from phLe then your DHCP server from dnsmasq only replies to the request of the network card during PXE boot and not to the normal DHCP request when trying to connect to the internet.

It's usually not advised to have 2 DHCP servers running, but it should work fine with the right configuration. During PXE boot the network card ignores the original DHCP server, as there is no link to a TFTP server in the reply.
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gcmartin

Joined: 14 Oct 2005
Posts: 2640
Location: Earth
PostPosted: Tue 11 Jan 2011, 22:24    Post subject: Re: 2 DHCP Servers  
Thanks @JRB and @MagicZaurus
MagicZaurus wrote:
@ jrb & gcmartin...If you use the startup script from this How-To http://www.murga-linux.com/puppy/viewtopic.php?t=62308 ...
When you refer to "startup" do you mean:
  • the Puppy server startup?
  • the DHCP server startup?
  • the manual setup of that additional IP address?
Thanks in advance
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Last edited by gcmartin on Tue 11 Jan 2011, 23:20; edited 1 time in total
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MagicZaurus

Joined: 05 Jan 2009
Posts: 88
PostPosted: Tue 11 Jan 2011, 22:55    Post subject: DNSMASQ start  
I mean the startup of the 'Puppy server', which is starting of DNSMASQ (DHCP & TFTP server). The following script.

Code:
#!/bin/sh
# MagicZaurus January 2009 for Puppy Linux GPL.
# Based on script from SLAX.
# Enhanced by Ecomoney August 2009
# Customized by Ph. Lelédy

PXE_IP=$(ifconfig "$(ls -1 /sys/class/net | grep eth | head -n 1)" | grep "inet addr" | cut -d : -f 2 | cut -d " " -f 1)
IP_BASE=$(echo $PXE_IP | cut -d "." -f 1-3)

if [ "$PXE_IP" != "" ]; then
killall dnsmasq 2>/dev/null
mkdir -p /var/lib/misc/
./dnsmasq  \
 --port=0 \
 --dhcp-vendorclass=set:PXE,PXEClient \
 --tag-if=set:notPXE,tag:!PXE \
 --dhcp-ignore=tag:notPXE \
 --dhcp-range=tag:PXE,$IP_BASE.110,$IP_BASE.200 \
 --no-ping \
 --dhcp-boot=pxelinux.0 \
 --dhcp-option-force=tag:PXE,208,F1:00:74:7E \
 --dhcp-option-force=tag:PXE,209,"default" \
 --dhcp-option-force=tag:PXE,210,"pxelinux.cfg/" \
 --dhcp-option-force=tag:PXE,211,30 \
 --enable-tftp \
 --tftp-root=$(pwd)/tftpboot \
 $*
 # --test
 # -k, --keep-in-foreground
 # -d, --no-daemon
 else
   echo "No IP assigned to network interface. Cannot start DHCP and TFTP server."
   gxmessage "No IP assigned to network interface. Cannot start DHCP and TFTP server. Please use the network connection wizard to connect to via Ethernet/LAN"
fi


This configuration makes that the DHCP server inside DNSMASQ only replies to request from PXE clients, which is the network card of the client during PXE boot.
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gcmartin

Joined: 14 Oct 2005
Posts: 2640
Location: Earth
PostPosted: Tue 11 Jan 2011, 23:44    Post subject: On a roll  
Could someone make a PET that does 2 things:
    1. add DNSMASQ (dnsmasq-2.55) support for Lucid
    2. Add "Start PXE Server" in the Network section of the PUP Desktop Menu
Should this make all of our lives easier in PXE world? If I know how, I would.

I offer that if someone makes a PET, I will make instructions for"Operating a LiveCD PXE server for booting Puppy clients on the LAN"

hope this helps.
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jamesbond

Joined: 26 Feb 2007
Posts: 1542
Location: The Blue Marble
PostPosted: Wed 12 Jan 2011, 02:19    Post subject:  
Thanks MagicZaurus for the script and PhLe for the instruction.

I tested the script (after compiling dnsmasq for fatdog64) and it works beautifully! I'm impressed ... the other instructions I've found so far to setup boot servers are overly complicated. (Install DHCP server, install TFTP server, configure DHCP server, configure TFTP server, configure pxelinux and other stuff - scary Shocked )

This is extremely simply - get dnsmasq, copy and paste the script, and voila! Working boot server !!! I'm really impressed.

cheers!
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gcmartin

Joined: 14 Oct 2005
Posts: 2640
Location: Earth
PostPosted: Wed 12 Jan 2011, 04:10    Post subject: DNSmasq for FATDOG - 511  
@JamesBond great report.
Did you, perhaps, make a PET of your DNSMASQ compiled for FATDOG64?
Could you share a URL for download, or is your PET available via PPM?
jamesbond wrote:
Thanks ...I tested the script (after compiling dnsmasq for fatdog64) and it works beautifully! ...
Does your PET put an entry in the desktop's Menu (say under Networking/somewhere)?
Could your PET have included the script and installed it when PET was run?
Which folder did you place the script in?

Thanks in advance.
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jamesbond

Joined: 26 Feb 2007
Posts: 1542
Location: The Blue Marble
PostPosted: Wed 12 Jan 2011, 08:56    Post subject:  
No worries gcmartin, it will take sometime though.

I can't upload it to PPM yet - as you can see from Barry's blog, ibiblio.org is currently undergoing a migration. Thus we can't upload anything there. I can post you the dnsmasq pet to the Fatdog64 thread for the time being.

The script, however, is another matter. It's mean to be run from terminal, and there's some implicit assumptions inside (which is meant to be edited if the script is to be re-used by someone else). It takes a while to convert it to a general purpose script. I'll do that but that will take time.

cheers!
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jamesbond

Joined: 26 Feb 2007
Posts: 1542
Location: The Blue Marble
PostPosted: Thu 13 Jan 2011, 06:25    Post subject:  
The script, packaged in a pet, with gui wrapper (for start/stop control), with desktop menu, suitable for permanent inclusion with any puppy (tested with Fatdog64 - on other puppies the menu may not appear). The executable is netboot-server-jb.sh.

the tftpboot directory is assumed to be at /root/tftpboot (symlink will work if another location is preferable).

Requires dnsmasq (assumed to be available somewhere in the path).
netboot-server-1.0.pet
Description 
pet

 Download 
Filename  netboot-server-1.0.pet 
Filesize  1.79 KB 
Downloaded  314 Time(s) 

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gcmartin

Joined: 14 Oct 2005
Posts: 2640
Location: Earth
PostPosted: Thu 13 Jan 2011, 12:51    Post subject: wOW  
This is an incredible contribution.Thanks everyone.

So, if I understand; on my FATDOG, I should:
  1. install your dnsmasq.pet
  2. install the netboot-server.pet
  3. create my files necessary for PXE boot in the TFTP download folder
  4. boot a PXE capable PC on the LAN
That's IT! Did I miss anything?

This is going to be great!
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Last edited by gcmartin on Mon 17 Jan 2011, 15:15; edited 3 times in total
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phLe

Joined: 25 Nov 2010
Posts: 13
PostPosted: Thu 13 Jan 2011, 13:28    Post subject: About the MagicZaurus Ecomoney Ph. Lelédy script  
I am Ph. Lelédy who wrote http://www.murga-linux.com/puppy/viewtopic.php?t=62308, and enhanced the script from MagicZaurus and Ecomoney for not serving non PXE clients.

I wonder if the script in netboot-server-1.0.pet is this one I speak about ?

If it the case I warn against a little bug:
Code:
grep "inet addr"
doesn't work on a french localized server (in french one says "adresse" for the english word "address"). So I had to replace by
Code:
grep "inet ad"
which works on both englis and french servers.

Furthermore, I like using my script with -d option because it gives very clear debugging information. Hox does-it fit in a GUI ?

PhLe.
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jamesbond

Joined: 26 Feb 2007
Posts: 1542
Location: The Blue Marble
PostPosted: Thu 13 Jan 2011, 20:05    Post subject: Re: wOW  
gcmartin wrote:
This is an incredible contribution.Thanks everyone.

So, if I understand; on my FATDOG, I should:
  1. install your dnsmasq.pet
  2. install the netboot-server-1.0.pet
  3. create my files necessary for PXE boot in the TFTP download folder
  4. boot a PXE capable PC on the LAN
That's IT! Did I miss anything?

This is going to be great!


Yes, that's all you need to do. For other puppies, I believe there is dnsmasq pet floating around also.

EDIT: The server will continue to run after you activate it. Click the menu (or run netboot-server-jb.sh) again to terminate the server. If you want a single-use version, use the debug version in the next two posts instead.

Running server doesn't survive reboot - you need to run it again if you reboot the machine.
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Last edited by jamesbond on Thu 13 Jan 2011, 22:37; edited 1 time in total
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jamesbond

Joined: 26 Feb 2007
Posts: 1542
Location: The Blue Marble
PostPosted: Thu 13 Jan 2011, 20:16    Post subject: Re: About the MagicZaurus Ecomoney Ph. Lelédy script  
phLe wrote:
I am Ph. Lelédy who wrote http://www.murga-linux.com/puppy/viewtopic.php?t=62308, and enhanced the script from MagicZaurus and Ecomoney for not serving non PXE clients.

I wonder if the script in netboot-server-1.0.pet is this one I speak about ?
Thanks PhLe, yes, it's your script that I modified a little, and put into the pet.

Quote:
If it the case I warn against a little bug:
Code:
grep "inet addr"
doesn't work on a french localized server (in french one says "adresse" for the english word "address"). So I had to replace by
Code:
grep "inet ad"
which works on both englis and french servers.
I changed the way the PXE_IP is determined (because sometimes I get the IP address from eth0, sometimes from wlan0, and I don't want to keep changing the script) - I get it from "ip address" command now instead of ifconfig, so this fix no longer apply for above. I don't have any localised French server though, so I can't say whether it will work there.

Quote:

Furthermore, I like using my script with -d option because it gives very clear debugging information. Hox does-it fit in a GUI ?

You can't Very Happy You can still run it from the terminal and pass the -d option and see all the debugging info on the terminal. It's possible to pipe that debugging output to a GUI window as well, but I'm not very inclined to do that now (because it's much easier just to open terminal and run the script from there) Wink

All in all, thanks for your contribution (and MagicZaurus and Econmoney) which makes this possible in the first place.

cheers!
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