Currently i am working with linux code. I need help in printing data in ip packet. In my program i am defined the headers and defined ip packets. But I am having problems with printing data in the ip. I am thinking that for loop has to be used, but what parameters to use
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I am the new user to ns-2. I would like to know is it possible to send the keys or some value as the packet data (content of the packet) in ns-2 (for wireless environment).
View 1 Replies View RelatedI need to know how a data packet is transmitted from the sender to the receiver passing through the five Internet layers. Specially what device (hardware) the data packets have to pass through at each layer before reaching the destination in a LAN.
View 2 Replies View RelatedI got a problem with my CentOS server. Somebody told me OpenVPN Requires different changes inside my firewall settings. That could be the problem why openvpn wont load..I receive this error on my CentOS panel when im trying to connect into the centos openvpn (with my winxp pc):
Thu Sep 17 20:31:36 2009 TLS Error: incoming packet authentication failed from 84.xx.62.122:2622
Thu Sep 17 20:31:38 2009 Authenticate/Decrypt packet error: packet HMAC authentication failed
Thu Sep 17 20:31:38 2009 TLS Error: incoming packet authentication failed from 84.xx.62.122:2622
[code]....
We developed qt based application in linux. I wish to stop ejecting the paper after printing over.How to do it.
View 2 Replies View RelatedI expected more from ubuntu 10.4 with regards to printing with exact size photos and with poor auto colour printing but the situation remains unchanged! for instance .. the photo size configurations for ubuntu/fspot/gimp and others are not compatible with my printers (HP and Brother) .. here in Europe a typical standard size photo (10x15inches or 150x100mm are not even on the Ubuntu listing? I have tried all listed possibilities including "custom" (which does not seem to ever work correctly?)and the result at best is photos with uneven boarders or at worse my printer goes a bit crazy with much wasted photo paper and expensive ink ...even photos selected for "no boarders" still produces photos with the self same uneven boarders.
I have tried pretty much everything over time following advice in this forum and including using HPlip and updating drivers required for my Brother printer but the root problem seemingly lies with the Ubunto photo size setup listing. Working with Ubuntu over the years I have found that it can do pretty much everything that Windows can do except for this dam ongoing photo quality and configuration problem.
I want to know how a network packet travels through different layers, i.e. from the physical layer to the presentation layer in Linux systems.
Are there any detailed articles or books on this topic with code?
I want coding of packet sniffer that runs on red hat and use c++ language.
View 2 Replies View RelatedDoes anybody know how to implement packet reordering in NS2? I would be very glad if someone provide me with appropriate tcl script or give a link.
View 3 Replies View RelatedIs there a default built in packet sniffer program in Fedora 8 ?
View 1 Replies View RelatedI am trying to send data via UDP using sendmsg on the sending side, and recvfrom() on the receiving end.The setup for my data is to have an iovec that has a packet hdr, followed by an iovec that has a payload, then to have subsequent sets of these two types of iovecs. On the receive end, I have a while true loop that does a recvfrom() receiving a size of 1 hdr/payload combination.When I do send out a message that has a total of just 4 iovecs (hdr/payload/hdr/payload) and I use recvfrom on the remote end with a receive size of a hdr/payload set,only the first hdr/payload of the sendmsg is received.I was under the impression that using this while true loop would allow me to receive multiple sets of this hdr/payload combination that is sent out by sendmsg().
View 1 Replies View RelatedAs i am posting in this forum you might already have guessed that I am a total linux noob, but I am a pretty faster learner. I know a few basic things but I feel like I am stuck with my problem.I want to send the Magic packet (wake on LAN) from my linux machine to another, but I am unsure how to approach this. I have google�ed my ass off but I am none the wiser. I found a few forums posts and programs that can do the trick and guides in how to use the programs but I have no idea how to install them.You have to know that my linux machine is a NAS server and has therefore only Konsole access (no GUI). As I said before I am pretty much a noob
View 16 Replies View RelatedA few months ago I have setup a server with three hard disks. The partition mapping the disks as follows:
Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x7ca36fee
[code]....
Now I have the following problem the LVM file system don't mount properly.If I open the mount point I see only a few files of the LVM disk. If I want to unmount the disk I get the following error:
umount /data/
umount: /data/: not mounted
If I want to mount the volume I get the following error:
mount -a
mount: /dev/mapper/gegevens-Data already mounted or /data busy
anyone know network packet editor for Linux? or modify network packet in wireshark?
View 1 Replies View RelatedYou have accepted the terms to the EULA. Cisco Packet Tracer will now be installed.
Attempting to install package now Preparing...
I need to do a project for my cisco class and i need to get this Packet Tracer to start working!
I am trying to get an arp packet from my wireless wifi router (access point), to which I am not connected. I simply tried ping 192.168.0.1, but the answer was connect: network is unreachable. What can I do about that?
View 1 Replies View RelatedI am facing problem(system gets crash) while I try to send IPv6 packet by using my kernel module. I have given the code and makefile for my module. I will appreciate if any one shares any tester module for sending IPv6 packets.The kernel version that I am using is 2.6.9 and it supports for IPv6.
file name: rtp_pkt_tx.c
#include "linux/kernel.h"
#include "linux/module.h"
#include "linux/skbuff.h"
#include "linux/init.h"
[Code]...
I am actually making a packet sniffer using raw socket. Its just that when I use the command '
if((ioctl(rawsock, SIOCGIFINDEX, &ifr)) == -1)
to get the interface index...
Its gives me an error saying :invalid argument?
On Linux, is root privilege required to send a wake-on-lan magic packet? If it depends on how you send the magic packet, please let me know under what situation root is required.
View 1 Replies View Relatedi m not able to help any software due to my proxy settings. my proxy block all the download links. not able to install software from terminal or synaptic packet manager
View 8 Replies View RelatedI would like to know the command lines for;
-detecting the wifi in my house without being connected to it
-getting ips/macaddress from the people connected to the wifi
I am trying to change the IP address of the traffic that has been stored. I have tried different commands:
[code]...
however, either from these two commands end up with a following error:
[code]...
when I searched for a solution and generic commands I used those two websites: website1 website2 Commands have been tested using a casual user account as well as a privileged one (root).
i am going throw all files in directory and want to print the files that having more than 1 "%" in their content...what should i exchange in BOLD?
for file in * ;
do awk -F'(%)' '{ t += (NF - 1) } END
{if (t>1) print $file ;}'
$file;done
I am trying to print a ps file through code using cupsPrintFile..The code is as follows:
Code:
#include <cups/cups.h>
#include<stdio.h>
int main()
{
[Code]....
I cannot print form firefox 3.6 form linux suse 11.2. All the rest is printing. Piece form error log off cups
D [01/Feb/2010:19:52:00 +0100] [Job 62] page 2 1
D [01/Feb/2010:19:52:00 +0100] Discarding unused job-progress event...
D [01/Feb/2010:19:52:01 +0100] [Job 62] successfully sent print file, 24. packet, 65536 bytes (1536KB) ...
D [01/Feb/2010:19:52:02 +0100] [Job 62] successfully sent print file, 25. packet, 65536 bytes (1600KB) ...
D [01/Feb/2010:19:52:03 +0100] [Job 62] successfully sent print file, 26. packet, 65536 bytes (1664KB) ...
D [01/Feb/2010:19:52:05 +0100] [Job 62] successfully sent print file, 27. packet, 65536 bytes (1728KB) ...
D [01/Feb/2010:19:52:06 +0100] [Job 62] successfully sent print file, 28. packet, 65536 bytes (1792KB) ... .....
D [01/Feb/2010:19:52:08 +0100] Discarding unused printer-state-changed event...
D [01/Feb/2010:19:52:08 +0100] Discarding unused job-completed event...
D [01/Feb/2010:19:52:09 +0100] [Job 62] Unloading...
I have unzipped a Konica Minolta file at: [URL] I currently have it stored in a CUPS folder, unfortunately it is in my home directory. I am running 9.10 Ubuntu on a Dell latitude D830. Whats the correct path to install the CUPS folder so I can actually get something to print? Oh, and i am trying to get on a printer at work that is networked. i have full admin privileges as an Ubuntu user, but I am missing something really big. See posts below.
Currently I have tried: sudo mv /home/angela/CUPS1.1/English/KOC652UX.ppd /usr/share/ppd/openprinting/ without success even when restarting the computer.
I almost never boot windows anymore - but there is one thing I miss
In msword I was able to print addresses on envelopes and/or labels
I have not found that capacity on fedora 13 with Abiword and Open Office writer
Is it there seomwhere?
I have the following command, which works fine:ll /backup/PROD |grep PROD_ |awk -F" " '{print "catalog backuppiece /backup/PROD/"$9";"}'The output is:catalog backuppiece /backup/PROD/PROD_29mi42vn_1_1;BUT... I want single quotes in the result. One before /back.. and one before the ;Like this:catalog backuppiece '/backup/PROD/PROD_29mi42vn_1_1';How do I do that? I tried using ' but it does not work.The following command works, but I get an error message, which prevents me from using the command in a bash file:ll /backup/PROD |grep PROD_ |awk -F" " '{print "catalog backuppiece '''/backup/PROD/"$9"''';"}'awk: warning: escape sequence `'' treated as plain `''
View 3 Replies View RelatedI am brand new to Ubuntu (1 day). I can find my way round most things but I can't print to my Canon Pixma. I have tried to download Australian drivers from a 2007 thread but when I try to download I get the error message "wrong architecture i386". My computer uses an AMD Athlon IIx3 processor. When I say can't print, the file goes into a print queue but the printer does not respond at all. I can see the printer when I go into system, admin, printing.
View 14 Replies View RelatedI need to set up the Printrex 812 under linux, but i can't find any ppd files for it. It can print plain text files in raw mode, but can't print ps or other formats.I can't find anything for that printer for linux. On their website is only drivers for win.
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