python - Tee isn't writing the output of Netcat -


i have problem between nc , tee, tee should take output of nc , print inside txt file know. in kali working fine, in ubuntu file created empty. (nothing written in it)
i'm using python call command.

cmdping = "sleep 5; echo load_audio "+ids[i][0]+"| nc 127.0.0.1 1234 | tee >> "+logtxt
p=subprocess.popen(cmdping, shell=true, stderr=subprocess.pipe)


i think permission issue, or not don't know, appreciated, thank you.

after research, found out kali uses traditional netcat ubuntu uses open bsd netcat, each 1 of them acts differently, have install traditional netcat , fine. steps install netcat in link below:

how switch netcat-traditional in ubuntu?


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