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This is the notice I get: 

The file '/home/heart/Phantombot/PhantomBot-2.4.1/PhantomBot.jar' 
is not marked as executable.  If this was downloaded or copied
from an untrusted source, it may be dangerous to run. 
For more details, read about the executable bit.

Basically, the JAR file doesn't have the necessary permission to run. How do I give it this permission?

Rinzwind
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watercollider
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    sudo chmod +x /home/heart/Phantombot/PhantomBot-2.4.1/PhantomBot.jar – Bob Jul 21 '18 at 12:16
  • This is not about Ubuntu. Questions about other Linux distributions can be asked on Unix & Linux, those about Windows on Super User, those about Apple products on Ask Different and generic programming questions on Stack Overflow. –  Jul 21 '18 at 12:16

1 Answers1

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To add executable bit to a file, use this construction:

chmod +x /path/to/file

The command for your jar file is

chmod +x /home/heart/Phantombot/PhantomBot-2.4.1/PhantomBot.jar

if you'are owner of the file.

If you aren't owner of the file, use leading sudo:

sudo chmod +x /home/heart/Phantombot/PhantomBot-2.4.1/PhantomBot.jar
Bob
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