README : sous-section d'installation pour first-free-port
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@ -75,6 +75,15 @@ Use your preferred way to add the `qemush` script to a folder of `PATH`.
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Recommended : copy the script in `/usr/local/bin` to make it effortlessly
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system wide.
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### Extra: add `first-free-port` in `PATH`
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`first-free-port` is a small C program designed accordingly to the Unix
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philosophy to show in `stdout` the first free (not listening) TCP port
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after `argv[1]`, or `argv[1]` if it is free. You can compile it and add
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it to your `PATH` if you need to allocate ports to protocols like SPICE in
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your launching scripts (example in `qemu/bin/*-spice`). Its source is in
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`src` folder of this repository.
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## Usage
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### Writing a launching script
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