Networking :: Booting Via PXE / TFTP
Jun 12, 2011
I am having problem in booting target system from pxeboot.On hp blade bl460.My network boot server is cobbler
CLIENT MAC ADDR: 00 A0 A5 5D C9 C8 GUID: 00020003 0004 0005 0006 000700080009
CLIENT IP: 10.113.105.93 MASK: 255.255.255.0 DHCP IP: 10.113.105.90
GATEWAY IP: 10.113.105.1 10.113.105.2
Press F12 for network service boot PXE-M0F: Exiting Intel Boot Agent. When i take tcpdump on server i see dhcp discover and dhcp offer coming and going out but no tftp request on cobbler server in var/log/messages also i am seeing dhcp offer and discover
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Apr 23, 2010
I want a debian server running dhcp/tftp/pxe containing a tarball of a 'client' debian installation.I want a client that pxe boots, talks to the server, creates a ramdisk, untars the 'client' tarball to the ramdisk and boots into it. Once that's working, I want an NFS map back to the server for the users home directory.Can't find any really helpful howto's... wondering if anyone on here has done this?
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Aug 14, 2010
I'm trying to install Debian on a Sun Ultra Enterprise 3000. See: [url]
So, I guess the cdrom is kaput. My next option is to net boot. I find the instructions here: [url]
A bit lacking. So, I want to ask if I am doing things right. Using this page and others from found via the Google, I have the following:
On Ubuntu 8.04 LTS, I ran:
Code:
to install rarpd. In /etc/hosts I have
Code:
In /etc/ethers I have
Code:
Then run
Code:
So, I think that should set up the RARP server, but I don't know. Now for the TFTP server. I follow the instructions here: [url]
except for step 4 I use
Code:
In /etc/inetd.conf I have
Code:
So I put the files from:[url]
in /srv/tftp. Then I cd /srv/tftp, and run
Code:
Then
Code:
Ok, finially, from the OpenBoot OK propmt on the Sun machine, I type
Code:
All I get is
Code:
and it just keeps doing that....
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Mar 15, 2010
When I try to pxe boot a Sun X4100 (which actually has a RHEL OS on it right now) I get the message TFTP open timeout. All traffic is allowed for port 69 udp in both directions. I do get a dhcp address. I see that both on the server and the client it gets an IP. After that I get this message in the logs:
[Code]....
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Mar 27, 2010
I have been trying to accomplish this feat for about a week now, and I always seem to get a boot up error.
Here is how I call WinPe from my default file
Code:
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Apr 28, 2011
I have created a /tftpboot directory and chmod it to 777. I have put an image 'uImage' on my Debian box under /tftpboot
In directory /etc/xinetd.d/ I have created file tftp:
Service tftp
{
disable = no
socket_type = dgram
protocol = udp
wait = yes
[Code].....
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Apr 12, 2011
I have created a /tftpboot directory and chmod it to 777 I have put an image 'uImage' on my Debian box under /tftpboot In directory /etc/xinetd.d/ I have created file tftp:
Service tftp
{
disable = no
socket_type= dgram
protocol= udp
wait= yes
user= root
[Code]...
I keep geting timeouts although uImage is on the debian box and it appears the tftp server is running.
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Jun 3, 2011
I'm trying to access data from TFTP server which is running on my fedora 15, when i tried to read that file from TFTP path..i'm getting response as time out.. even i tried to get the data in localhost itself...there also i'm getting same time out.. i tried all permission mode.
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Dec 14, 2010
a machine with 2+ network cards, need to setup TFTP server on one card and use internet on another.
the tftpd server works on default routing network adaptor with following configuration.
How set the TFTP server on the secondary network adaptor?
TFTP server tftpd by xinetd configuration in: /etc/xinetd.d/tftp
{
protocol = udp
port = 69
socket_type = dgram
[Code]....
Could not find how to change the post <prefix> I remembered clearly I did before.
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Mar 25, 2010
How can we use DHCP to find or allocate ipaddress in ubuntu.I have connected Hawkboard, i need to known the ip address of my system and hawkboard. how can i find ip address of board connected to system, i have used serial port null modem cable and ethernet crossover cable between the board and system
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Mar 19, 2010
I have a custom Ubuntu distro that run both from a CD and PXE boot. The problem I have is that I need to boot in an environment that has to be routed through a router that can't forward NFS (the protocol doesn't use a standard port) I found that the Ubuntu based Clonezilla Live CD has a option like "fetch tftp://server/folder/filesystem.squashfs" I can borrow the kernel and initrd and it works, but how do I add this feature myself? Is there a package I need to install or a initrd option I need to add?
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Apr 20, 2011
I am trying to transfer a file using tftp between two PC's. I have installed tftp-server, tftp, xinetd on both PC's. I am unable to transfer the file between the two systems. although the self transfer is working on both the system. I am getting the error "Transfer timed out"
cat /etc/xinetd.d/tftp
# default: off
# description: The tftp server serves files using the trivial file transfer
[code]....
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Mar 26, 2010
im trying to setup a tftp server on red hat linux. Ive gone through like all the instructinos online. And like i didnt get any errors or anything when typing the commands on the terminal but basically every time i try to test it i never works sooo im not really sure how im suppose to do this. basically i have a tftp in one ip address. And with another system with a different ip address using the client tftp ipaddr(server) and i try to get foo and it never connects and I tried a ping and they ping together just fine soo im just not sure if the tftp server is even on
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May 15, 2010
I have called an script in cronjob named get_mac.sh as follows:
#!/bin/sh
MAC=`ifconfig eth0 |sed -n 1p|awk '{print $5}'|awk -F : '{print $1$2$3$4$5$6}'`
ARG_FILE="/etc/asterisk/scripts/server.params"
[code]....
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Feb 23, 2010
I've tried to configure DRBL server to use Clonezilla and that is required me to setup DHCP, TFTP serversBut I've gotten a lot of errors from them - so please look at my attachments from /var/log/messages and dhcpd.conf - help me to find out what are wrong with them.
Feb 23 09:47:46 eth0-eth0 last message repeated 17 times
Feb 23 09:55:06 eth0-eth0 dhcpd: DHCPREQUEST for 192.168.1.53 from 00:13:20:36:26:28 via eth0: unknown lease 192.168.1.53.
[code]....
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May 10, 2010
This is very old topic but despite of trying out all possible solutions available on net and forums, I am not able to setup tftp server on my 2.6.32.11-99.FC12.i686.PAE. Is there something obvious missing out.
/etc/xinet.d/tftp
# default: off
# description: The tftp server serves files using the trivial file transfer
# protocol. The tftp protocol is often used to boot diskless
# workstations, download configuration files to network-aware printers,
[Code]....
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Mar 1, 2010
I have been trying to install Ubuntu by network booting, I used tftp in Windows in another pc, and the target boots successfully but fails to download from any archive mirror, I'm not sure what goes wrong.
Well, I'm trying to do is, my friend's HP-mini fails to boot to Windows, and BIOS also gives error-messages, the thing is that my friend has important data on his netbook, it has only one drive, no cd-rom, and it doesn't support USB-booting, so I was thinking if I get to access an Ubuntu, I will be able to backup his data and install Windows, I would use anything that would let me copy files.
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Nov 12, 2010
I am trying to setup a TFTP server and followed these instructions in setting up TFTP-HPA.
[URL]
I pretty much followed every step but commented out these two lines from the /etc/xinet.d/tftp.
# only_from = 172.31.0.240/28
# interface = 172.31.0.252
Do we really need the lines if I am allowing any machine to connect? And I have only 1 network card. This is acting as a dedicated TFTP server.I ask as I get an error on the get and put commands as below:
tftp> get xxx.txt
tftp: error received from server <File not found>
tftp: aborting
However although it gives an error it DOES GET the file.The put command however does NOT put the file. I have nobody / nogroup setup for the directory permissions as well.
tftp> put .vimrc
tftp: error received from server <File not found>
tftp: aborting
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Jun 12, 2010
Can i set tftp server on RHEL 5.5 for Fedora Kickstart?
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Jan 6, 2011
I am trying to put a file from one linux machine to my other linux machine. There is absolutely no problem in downloading the file i.e. performing the "get" operation but when I try to upload or "put file" from my host1 to host2 it throws error "Error 0 Permission denied". I am able to put files from host2 to host1 without any problem but not from host1 to host. Infact if I try to tftp even localhost on host2 it throws the same error. Here is my
/etc/xinetd.d/tftp file for host2
service tftp {
socket_type = dgram
protocol = udp
wait = yes
user = root
server = /usr/sbin/in.tftpd
server_args = -c -s /tftpboot
#disable = yes
disable = no
per_source = 11
cps = 100 2
flags = IPv4
}
And permissions on /tftpboot are 777
[root@LinuxServer /]# ls -ld /tftpboot/
drwxrwxrwx 2 root root 4096 Jan 6 05:21 /tftpboot/
[root@LinuxServer /]# ls -l /tftpboot/
total 16
-rwxrwxrwx 1 root root 11 Jan 6 06:16 new_test
-rwxrwxrwx 1 root root 12 Jan 5 06:02 test2
And the command which I am using is :
[root@LinuxServer /]# tftp localhost -c put new_test
Error code 0: Permission denied
And ya here is /etc/sysconfig/selinux file is as under :
# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
# enforcing - SELinux security policy is enforced.
# permissive - SELinux prints warnings instead of enforcing.
# disabled - SELinux is fully disabled.
SELINUX=permissive
# SELINUXTYPE= type of policy in use. Possible values are:
# targeted - Only targeted network daemons are protected.
# strict - Full SELinux protection.
SELINUXTYPE=targeted
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Feb 3, 2010
I'm trying to setup a network boot server and I'm having an issue with tftp. In the /etc/xinetd.d/tftp file, I added the "-v" (verbose) option to the server arg line so that i could figure out what was happening. When i looked at the /var/log/messages log file, it let me know that permission was denied to /tftpboot/nbi_img.
So, in short, my problem is that tftp isn't working because it doesn't have permission to /tftpboot/nbi_img. I can't figure out why. I stumbled upon a site where the user figured out a temporary fix to this issue and what he did was disabled the xinetd service and typed the following command:/usr/sbin/in.tftpd -l -v -v -s /tftpboot/nbi_imgWhen I do this as well, it works! but only until I restart and then I have to do that again. Is there a way to be able to fix that for good?
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Aug 4, 2010
Is there a trick to allowing a TFTP connection to create a file? I can successfully tftfp (from a cisco router) if I touch the file first, but otherwise, (/tftpboot has been chmoded to 777) I get [TFTP: error code 2 received - 20334]
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Jul 29, 2009
Server: CentosClient: F11Remotely it doesn't work
Code:
tftp 10.0.0.2
tftp> status
[code]....
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May 10, 2010
You are running tftpd as an on demand server i.e. it is only fired up when it is needed. Services run by xinetd are always run on demand. Have you actually tested if tftp on another system can access your PC i.e.
Code:
tftp your_pc_ip_address
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Feb 17, 2010
In Jaunty (9.04) I've setup a small (eleven-terminal) ltsp network at the local school. It handled around 6600 working hours with ease.
Now I've upgrade the server to Karmic Koala (9.10) and it just stopped working.
1) The clients have PXE NICs
2) They get the proper IPs from the DHCP server and respond appropriately to changes in the DHCP configuration files.
3) DHCP server also points the clients to
filename=/ltsp/i386/pxelinux.0
4) When the clients try to download the pxelinux.0 over tftp they just timeout
5) /etc/inetd.conf has an entry like
tftp dgram udp wait root /usr/sbin/in.tftpd /usr/sbin/in.tftpd -s /var/lib/tftpboot
6) The file /var/lib/tftpboot/ltsp/i386/pxelinux.0 exists on the server
I'm lost at all these configuration files and protocols.
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Mar 25, 2010
I'm trying to put / get files a machine running a tftp server but with no success .The client machine is behind a firewall and this is cause of the problem as when the firewall is disabled I can transfer files.I've tried to add this rule but the firewall still blocks the transfer.
Code:
uncle@ubuntu:/test-$ sudo ufw allow proto udp from 192.168.0.99 port 69
Rule added[code]......
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Mar 26, 2010
I have checked several tutorial sites, to no avail. I can't seem to get Winpe 3.0 to boot over tftpd/pxe.Has anyone successful done this using Ubuntu 9.10?, or am I just wasting my time trying.
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Sep 19, 2010
I'm Melvin, doing a hardware and networking course at Aptech, Kerala, India.
How to install IOS image (file.bin) via TFTP from Ubuntu to a Cisco 2600 router.
Please post the required steps to configure tftpd in Ubuntu.
And since it is insecure, please post recommendations to secure it.
Which folder will TFTPd use and what binary permissions to assign to this folder?
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Oct 25, 2010
I have it working fine when tftp and dhcp are installed on the same server but when trying to forward to a remote tftp it does not work. Dnsmasq insist on giving its local ip.I have added to config:dhcp-boot=pxelinux.0,pxetest2,192.168.0.130and I tried with and without the original hcp-boot=/var/lib/tftpboot/pxelinux.0Not much on this topic on the google nor on the dnsmasq homepage.
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Feb 23, 2010
I've tried to configure DRBL server to use Clonezilla and that is required me to setup DHCP, TFTP servers.But I've gotten a lot of errors from them - so please look at my attachments from /var/log/messages and dhcpd.conf - help me to find out what are wrong with them.
[Code]...
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