How to run Gephi in Ubuntu
If you try to run Gephi in your linux, probably you will see the following issue: Illegal reflective access by org.netbeans.ProxyURLStreamHandlerFactory This appears when you are using openjdk9 or newer. To fix it, you must install openjdk8-jdk and choose it for java and javac sudo apt-get install openjdk-8-jdk with the following command you can see your java installed versions: sudo update-java-alternatives --list Now, choose version 8 for each one: sudo update-alternatives --config javac sudo update-alternatives --config java Enjoy it!