netcat Questions
6
Abstract: How to run an interactive task in background?
Details: I am trying to run this simple script under ash shell (Busybox) as a background task.
myscript.sh&
However the script stop...
Clink asked 12/8, 2011 at 15:22
2
Solved
I'm trying to create a program for read, given IP address and port (in this case on localhost), of UDP packets on Mac OS X (current version 10.9.5).
The only one that gave me some useful data is t...
2
Solved
Why the following command (on my Debian 8.4 machine) doesn't output an error of type "Address already in use" when I execute it from two different terminals?
netcat -p 1234 -l
I wonder why it do...
5
Solved
How to write a echo server bash script using tools like nc, echo, xargs, etc capable of simultaneously processing requests from multiple clients each with durable connection?
The best that I've ca...
4
Solved
I noticed a strange behaviour working with netcat and UDP. I start an instance (instance 1) of netcat that listens on a UDP port:
nc -lu -p 10000
So i launch another instance of netcat (instance...
Eton asked 8/10, 2011 at 12:40
3
Solved
I am having a weird issue with having puppet enforce the package nc.
I installed it manually in the end via: yum install nc
I see puppet does it via:
/usr/bin/yum -d 0 -e 0 -y list nc
Returns: Er...
1
Solved
I am pretty new to bash, and I come across this code.
j=0
while ! nc -z "$host" "$port"; do
j=$((j+1))
if [ $j -ge 10 ]; then
echo >&2 "$host:$port not reachable, giving up"
exit 1
fi
...
3
On RHEL 7.2 OS, I get following error when trying to run nc commnad
nc -z -v -w1 host port
nc: invalid option -- 'z'
Ncat: Try `--help' or man(1) ncat for more information, usage options and help....
3
Solved
nc works fine when i execute it on a VM.
Connection to 10.0.0.10 22 port [tcp/ssh] succeeded!
But when I execute the same command inside my docker container, it gives the below UNKNOWN error/exc...
2
Solved
I try to send emails from my ESXI servers but for a reason I don't know I get errors.
this is the command I use to send the email :
nc -Cv smtp.relay.us 25 < /vmfs/volumes/Vcloud-Datatstore/To...
4
Can't you listen on a port range with netcat? You can scan a range, but not listen it appears. So only solution is scripting?
Burushaski asked 20/9, 2013 at 1:56
4
Solved
I'm trying to send a file, line by line, with the following commands:
nc host port < textfile
cat textfile | nc host port
I've tried with tail and head, but with the same result: the entire f...
1
Solved
I am trying to write an echo server in Rust.
use std::net::{TcpStream, TcpListener};
use std::io::prelude::*;
fn main() {
let listener = TcpListener::bind("0.0.0.0:8000").unwrap();
for stream ...
1
Solved
What I am trying to achieve is, I have a raspberry 3 with pi camera v2 connected to my local wifi. I want to transmit a live video from the raspberry pi to a computer running Ubuntu. On my computer...
Jestinejesting asked 5/7, 2017 at 20:31
1
Solved
I want to communicate two containers in docker, I'm using netcat for the test. First I have created the Dockefile:
FROM ubuntu
WORKDIR /root
RUN apt-get update && apt-get install netcat ip...
Sada asked 22/6, 2017 at 14:13
2
Solved
Is it possible to listen to a port continuously?
I listen for incoming tcp notifications with following command
sudo nc -l -p 999
But as soon as notification arrives I have to restart listen w...
2
Solved
I use netcat to run a tiny development webserver through the bash, which is able to handle one connection at once.
Netcat is started as follows (-k to make it survive multiple connections):
nc -k...
0
I try to inspect that a service is up inside a gitlab runner.
For that I use netcat in my .gitlab-ci.yml
image: python:latest
before_script:
- apt-get update -yq
- apt-get install -y python-de...
1
I have two img files. Origin (2GB) and Destination (4GB),
They are the result of some sort of encoding which I'm trying to identify and revert.
So in order to successfully revert encoding I have to...
1
Solved
I'm trying to simultaneously save the output from a tmux pane to file and stream it using netcat.
What works:
tmux pipe-pane -o -t "server" "tee -a '/home/csgoserverp/test.txt'"
echo -n "Hello Wo...
3
Stealing from here I have set up a small Python script which listens on a port and prints out all of the UDP packets it receives:
import socket
UDP_IP = "127.0.0.1"
UDP_PORT = 5005
sock = socket...
1
Solved
I have a service whose behavior I've been debugging behind a proxy. The proxy is a black box, but the service's behavior can be simulated with a trivial python program like below:
#!/usr/bin/env p...
1
Solved
So I was playing around with sockets in Swift and trying to connect the app with my server. I was having the app connect to the IP address of the server and used netcat on the server for testing. D...
2
Solved
I was looking for the minimum REST web server using nc to be a one-liner for a Docker container. For instance:
* http://localhost/echo/marcello: prints marcello
* http://localhost/date: prints the...
1
While experimenting with broadcast messages (on a Debian 8.3 VM running on VirtualBox 5.0.14 on a Windows 7 laptop) I found that netcat (nc) receives only the first broadcast message. It does not r...
© 2022 - 2024 — McMap. All rights reserved.