Please let me know how i will overcome this.I have tried from the past 5 days.
[root@localhost ~]# cc p.cc
In file included from p.cc:1:
/root/ping.h:2:32: warning: multi-character character constant
In file included from p.cc:1:
/root/ping.h:4: error: stray in program
/root/ping.h:2: error: invalid function declaration
[Code]...
Split programming in ns2 marc greis chapter 7 ping protocol code. I tried compiling the above program and got the errors as in error.txt I have attached. Ping.cc and ping.h also are attached. I have supplied all the required header files along with appropriate paths and yet this problem.
ATTACH]5537[/ATTACH]
pingcc.txt
pingh.txt
Want to run some cmds on Marc Greis Tutorial but always gets an error msg- "can't find ns: no such command. How can I resolve it? Also do not know how to edit on the terminal Have to start afresh anytime I notice a mistake. How can I successfully run a file to get a result. Have not been able to reproduce the result in Marc Greis tutorials.
View 5 Replies View RelatedHere is my program. It asks the user for input and then prints a shape of a certain length. The errors I get when I compile are:
shape.c: In function "main":
shape.c:22: error: expected identifier or "(" before "int"
shape.c:58: error: expected expression before "return"
shape.c:59: error: expected expression before "}" token
shape.c:59: error: expected expression before "}" token
#include<stdio.h> .....
First off, I'm completely new to bash scripting so forgive me if I make any egregious errors. I'm trying to make pop-up reminders for the simple calendar program when. This is what I have so far:
Code:
#!/bin/bash
# set the time format for when
#current="$(date +%I:%M %p)"
current="$(date +%-l%p)"
today=~/.when/today
[Code]....
When I run the script, gxmessage pops up and displays the correct information, but it does so for each line in "~/.when/today" that contains a time that matches the current system time (which would be three pop-ups at 10PM, according to the example). I want it to display the information only once. How can this be accomplished? Is a while loop even the right job for this?
I am running Valgrind on my program. It shows me two errors but mentions only addresses against them and not actual code even on a debug build.
The output is
==23002== Memcheck, a memory error detector.
==23002== Copyright (C) 2002-2005, and GNU GPL'd, by Julian Seward et al.
==23002== Using LibVEX rev 1575, a library for dynamic binary translation.
[code]....
I am using an virtual machine. where I need to ping from one machine to another. earlier I was able to ping. But after going to google.com once, I cannot ping back to this machine.
But if I gave ping -I eth1 <IP> then I can ping.
I cannot install any package, so tell me solution which includes not installing any package.
Is there any linux video editor that supports adding chapter markers to videos? I tried everything I could get my hands on, including openshot and kdenlive (which last won't run under GNOME, however many kde libs I install, and I don't want to switch to kde4 which I hate), and so far nothing works. I don't understand where the problem is; it's so easy on the Mac. Is there an application comparable to the Mac's GarageBand?
I am not talking about creating music here (though I may in the future), simply about adding chapter markers to videos, which GarageBand does very well and fast. I could go on using GarageBand, which can import .mkv and .avi movies, but eventually I should like to switch over to Ubuntu completely, because maintaining two complete systems including two full sets of backups is very uncomfortable.
I use DeVeDe a lot, and it works great for general conversion and DVD authoring. I don't know, however, how to create a DVD such that each of the original .avi files will be their own chapters. In other words, I have about six or seven .avi files (episodes of a season of a television show) and I want to create a DVD with those episodes that I can navigate separately. Do I first convert each .avi? How then do I create a single DVD with six or seven chapters/episodes?
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View 1 Replies View RelatedI will have to code this. However I am lacking of time since I have too much to do. make a short code bash/dash to prompt the country with Zenity, then, get the PLS or m3u url and prompt with another zenity which radio to play. http://www.listenlive.eu/index.html
My code to get url's radio country.htm is:
Code:
I'm attempting to install a small application called Asymptopia Flashcard System on Xubuntu x64. It's unsupported and virtually unknown, so I don't know many details about it aside from what I can gather from the source files. The first step in the installation directions is to type "make lib_install" as root at the command line. I get this output:
Making libasymptopia.so ... compiling Path.C ... Path.C: In member function �void Path::listdir(char*, std::deque<char*, std::allocator<char*> >*): followed by a bunch of errors like this: Path.C:38: error: �strcmp� was not declared in this scope
all for the file Path.C, all of them complaining about various header files not being declared. I have the latest version of gcc installed, so I'm very confused about what the problem is. This application is at least a few years old...maybe there's something out-of-date about the way it includes the header files?
Ok so Basically i have 2 questions
1. i know how to create a file with c++ using but is there a way to save it to a specific location on your computer with windows and linux
Code:
2. i need to know how to run/execute/open a file in a c++ program im using and its not working
Code:
Is there any way to implement a simple ping script in C (unix)? I'm programming simple OpenWRT scripts.
I have found some examples of ping in C:
[URL]
However, nothing happens, nothing is sent.
When I look at the code, in the portion where the socket is created, I can see that the socket is not binding to any interface:
Code:
if ((sockfd = socket(AF_INET, SOCK_RAW, IPPROTO_ICMP)) == -1)
{
perror("socket");
exit(EXIT_FAILURE);
}
setsockopt(sockfd, IPPROTO_IP, IP_HDRINCL, &optval, sizeof(int));
Instead, it uses "setsockopt" to set some options.
My guess is that it is trying to send packets over the eth0 interface instead over the wl0 (wireless) interface (which is the one I want to use to send pings).
Now, my question is: Is there any other way to send pings in C by binding to an interface?
I have a php scriptI want it to ping list of ips from a databse(using fping) and based on the status of the values to put them in a field(status) into the database(0 if down,1 if up)i executed tghe script and it gives me this error:Thread 1 - 17:51:01 26-04-2011 4.2.2.2 alive Couldn't execute query.I cant see what 's wrongthis is the source of the php script:
<?php
require_once("conf.php");
$connection1 = mysql_connect($h, $u, $p) or die("Couldn't connect.");
[code]....
I would like to ping all my virtual hosts in virtual machine server with a oneliner. For example like this:
Code:
for i in $(seq 1 20); do if [[ $(ping host$i.virtualhostserver.com -c 2 2>/dev/null | grep "2 received") == "2 packets transmitted" ]]; then echo $i; fi; done
The problem is, that I'm afraid my if-sentence is somewhat wrong because it never gets a match even if I know, that host is up.
I can't get exec ping to work on my system. wish is located in /usr/bin/wish8.4
Code:
#!/usr/bin/wish8.4
text .txt
set in [open "/root/hosts.txt" r]
while {[gets $in line] != -1} {
[Code]....
Now I am using ping command following
ping -I eth1 192.168.1.17
I want to add to shell script but I want type myself -I and eth1 when running the bash file.
I'm trying to do the following. from a php webpage click on a link, that opens a shell/cmd and runs an open ping to the device. so it must actually open a shell (for linux) or cmd (for windows) and run a ping to the specified ip. Currently i'm running an exec command, but for this i need to wait for the result to be fetched and print it out. I want to monitor it in realtime, by just clickingon the button. How to get this working?
View 1 Replies View RelatedIs it possible to create threads in BASH? I need a script with will ping a network to find out unused IP. in a for or while loop the pinging process is taking a very long time. I was wondering if it is possible to send multiple ping on the same time so this will speed up the scanning process.
View 5 Replies View RelatedI am new to linux and am trying to write a script that will ping IP addresses and say either online or unavailable.
View 3 Replies View RelatedI have a general question regarding memory errors. I frequently ran into memory errors such as seg fault, double free, etc. Sometimes I got the following traces for example.
*** glibc detected *** /mnt/click: free(): invalid pointer: 0xb7ed8450 ***
======= Backtrace: =========
/lib/libc.so.6[0xb7dff905]
/lib/libc.so.6[0xb7e011a3]
[code]....
Then, I just run gdb, valgrind things and suddenly I started ask questions myself that what are those traces and how can I analyze?
When compiling a C program i get the following errors.How do i modify the code to remove these warning messages?
1) "test.c", line 614: warning #4212-D: mismatch between character pointer
types "unsigned char *" and "char *"
p_data = m_lines[p_text_idx];
[code]....
I am trying to compile a program for my assignment at school that uses curses.I have installed libncurses5-dev, and curses.h is now in /usr/include, but I am getting all these errors(it compiles fine at school).
Code:
grcunning@grcunning-desktop:~/school/cs474/assign7$ gcc -o proj7 proj7.c
/tmp/cc2ZFXrs.o: In function `main':
[code]....
im trying to build a simple program for my C programming class, this is the source code
#include <stdio.h>
int main()
{
int length, width, length, height, area, perimeter;
perimeter = width + length + height;
area = width * length + heigth;
[Code]...
i dont see any error (you might)but every time i run it it runs but after it asks me to input for the width i do it but it doesn't take me to the length, it just stays blank until i input another value in the same place for the width, it asks me for 4 inputs in total i don;t know why, and after i run it different times it gives me different values for the perimeter and are. how can I fix this?
This applies to my 2 opensuse PC's, my Windows PC is fine.I can ping a hostname, say "PC1" but I can not ping PC1.domain.local (even the host PC can not ping it's own FQDN). When I ping just the hostname the ping stats even list the FQDN.Onto the next issue, since all my PC's, have the domain prefix domain.local, my Synology can not. I can ping it's IP and that is it. I can resolve it's name with nmblookup just fine tho and that is what is killing me. How is this not resolving.Even weirder, I can browse to "Synology" in Network Servers under places on the slab.
View 3 Replies View RelatedEven ping google's ip address doesn't work. unknown host error using backtrack4 able to browse net with these settings.
My network settings:
What's the problem with these settings...
Ive got a problem on my server ....installed Debian 5 , Webmin and than syscp settung up syscp ready ....
I try to ping "localhost" ansver ping: unknown host
I try to ping "localhost." there is a host with IP 127.0.0.1
I need it to change it in "localhost"
Is that the bind9 maybe?
I have been trying to install Alice on the latest version of Ubuntu but keep getting java and or Alice errors. Have not yet found a version set up for Ubuntu and nothing shows up in the repositories.
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