/etc/xinetd.d/telnet

telnet

service telnet
{
        disable         = no
        socket_type     = stream
        protocol        = tcp
        port            = 23
        user            = root
        wait            = no
        instances       = 10

        log_type        = FILE /var/log/ast
        log_on_success  += PID HOST DURATION
        log_on_failure  = HOST
        server          = /home/foo/382PyENV/bin/python
#        server          = /usr/bin/python3
        server_args     = -OO /home/foo/hello.py
        env             = PYTHONHOME=/home/foo/382PyENV
}