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bash - Minimal web server using netcat - Stack Overflow
My little netcat web server needs to be a while true loop in bash, possibly as simple as this: while true ; do echo -e "HTTP/1.1 200 OK\n\n $(date)" | nc -l -p 1500 ; done. When I try this the browser shows the currently available data during the moment when nc starts. I want the browser displays the data during the moment the browser requests ...

How to make an HTTP GET request manually with netcat?
On one shell, launch a local file server: python3 -m http.server 8000. Then on the second shell, make a request: printf 'GET / HTTP/1.1\r\nHost: localhost\r\n\r\n' | nc localhost 8000. The Host: header is required in HTTP 1.1. This shows an HTML listing of the directory, just as you would see from:

Windows 7 netcat error: 'nc' is not recognized as an internal or ...
Execute nc.exe -l -p 9999 in one cmd window and nc.exe localhost 9999 in another. Note that I'm on a 32b windows7, for 64bit use nc64.exe. Test by typing Hello in one command window and check if it is displayed in the other.

Read .nc (netcdf) files using python - Stack Overflow
import netCDF4 file2read = netCDF4.Dataset(cwd+'\filename.nc','r') var1 = file2read.variables['var1'] # access a variable in the file where cwd is my current working directory for getting the file path for the .nc file in order to read it: import os cwd = os.getcwd() I am using Windows, so file directory will be different than for Mac or Linux.

shell - Send Commands to socket using netcat - Stack Overflow
Put your commands in a file called "commands.txt" and then run nc 192.168.1.186 9760 < "commands.txt". When you run nc interactively, it takes input from standard input (your terminal), so you can interact with it and send your commands. When you run it in your batch script, you need to feed the commands into the standard input stream of nc ...

How to send only one UDP packet with netcat? - Stack Overflow
To find out which nc you have, look at the first line of output from nc -h. To send a single UDP packet and exit immediately, use the appropriate arguments for your specific nc. GNU nc -uc localhost 8000 <<

Broadcasting a message using nc (netcat) - Stack Overflow
The -u is not needed as it is telling netcat to listen on a unix domain socket, google IPC :) (this is the biggest reason that your scenario is not working.) The below should work to get a broadcast forwarded to another network via netcat: server: nc -l 0.0.0.0 12101. host: echo "hello" | nc 192.168.1.255 12101.

bash - Issue with netcat timeout - Stack Overflow
Jun 13, 2014 at 5:53. 3. nc dumps out the verbose output to stderr, so if you just want to see the "Online" and "Offline", you need to use &> to tell bash to redirect both stdout and stderr to /dev/null. If you get rid of the -v, you can just say nc -z -w 3 localhost 5050 && echo "Online" || echo "Offline". – CDahn.

unix - Why node nc (netcat) give error "inverse host lookup failed ...
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/exception. 10.0.0.10: inverse host lookup failed: Unknown host (UNKNOWN) [10.0.0.10] 22 (ssh) open Below is the nc command that I am using:

How to listen for multiple tcp connection using nc
ncat can do it, but the correct command with ncat is: ncat --keep-open --listen -p 12345. This will accept multiple connections at the same time. You can then send the data with multiple clients. e.g. open in two or more terminals, and try typing there: nc localhost 12345. answered Jul 8, 2021 at 11:57. Alex Bozhenko.

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