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Differences in nc (netcat) options on Ubuntu vs RedHat

Fresh3 days ago
Mar 15, 20264814 views
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Problem

In Ubuntu, may be used as above, with the option. See manpage. after EOF on stdin, wait the specified number of seconds and then quit. If seconds is negative, wait forever. However, this option is not available in Redhat 5. See manpage. How do I achieve the equivalent of in RedHat 5?

Error Output

nc -q -1 local host ${PORT} ${CMD}

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Fix for: Differences in nc (netcat) options on Ubuntu vs RedHat

Low Risk

What do you want that option for? If you explain the use case, maybe we can come up with an alternative. For example, maybe this is sufficient? I think the linux.die.net man pages is from RedHat Enterprise Linux 5, but not 100% sure.

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