You should be able to run the binary clicking on it, but previously you had some kind of permission issue I don’t get.
For Peercoin and B&C the steps would be similar.
In that command you can find && symbol which is essentially ‘also do this if no errors are found’. So it really runs 4 things sequentially.
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wget https://nubits.com/sites/default/files/assets/nu-2.0.2-linux-gitian.zip; wget downloads the link you pass as argument.
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unzip nu-2.0.2-linux-gitian.zip; unzip decompress the downloaded file
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chmod +x bin/64/nu; chmod changes the permissions of a file and “+x” adds the executable permission.
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./bin/64/nu; the “./” at the beginning is the way of launching binaries in linux
So yes, changing the download link should work for the other ones, but you should also change the name of the file to unzip, the folder/file to set the executable permission, and the path and name to launch it.
Try to modify that commands and run them because now you can understand there is not such thing as a “universal command” for doing something.
