These strains clearly show detalis about Each and every "ping" since it happens amongst your host along with the host you happen to be atempting to ping.
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Providing $COMMAND terminates correctly, It'll be operate once again. If it fails or is terminated by signal, the loop will conclude.
two Seems like the modem is echoing the command back again for you (expected) but then the tty port is sending the command again to the modem and making your endless loop. Consider: stty -echo to circumvent the port from echoing the commands again for the modem.
I would say it'd be ideal To place your infinite loop inside a script and manage signals there. Here's a basic place to begin
Does that signify it really is efficiently pinging the IP? Or that it is trying and failing and striving yet again? How can I get it to halt?
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It appears that evidently what I want would be to pipe into plan one thing which doesn't do something for an indefinite length of time and isn't going to go through stdin. The subsequent strategies get the job done:
so why tty terminal is acting so Unusual? possibly I don't know anything about sending/examining details on serial ports?
and after that despatched command echo "AT" > /dev/ttyUSB0 following that I usually acquired never ending loop from cat /dev/ttyUSB0 like this:
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@meuh will try out that upcoming. To this point monitor worked to halt the repeat behavior, however it prevents the serial system from getting the concept. Closing the screen terminal allows the message as a result of.
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@visitor, There are several things which I'd recommend carrying out now: 1. Since we find no checksum for the recent iso file, be sure to obtain a recent 1 + plus its corresponding sha256sum. It would be 'adequate' having a 'live' push, and that is more compact (~1GB, although the 'media' file is >4GB), but each need to work for you; two.