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I'm learning how to deal with socket programming with socket(), bind(), connect(), listen(), etc.

So I'm looking for a socket software that is similar like this, that works in Ubuntu. The software in the link only works in Windows.

Any recommendations?

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@qbi This is a software-recommendation question asking for a socket testing utility for Ubuntu. That's clearly on-topic by the FAQ. Not all possible programming questions are on-topic (similarly, not all possible computer art questions are on-topic), but software development on Ubuntu is not categorically off-topic. In fact, the FAQ lists it as one of the things that is on-topic. – Eliah Kagan Mar 6 '13 at 2:31

Not sure if something like that is around ... You could test if a TCP socket is up by connecting to it with telnet [IP] [port] see the open ports on a server with netstat -an and scan a server for open ports with nmap.

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Thanks for the suggestion. I'll give this a try if there isn't any GUI software around. – Noge Apr 19 '12 at 5:21

It sounds like the program you linked is just a gui program that does what nc does on the command line.

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