Welcome to L2J Server Project L2J Server is an open-source server emulator fully written in Java for the famous Korean MMORPG. This page only gives very basic information, for the detailed information about building and developing L2J Server, please visit the developers forums.
Get Git You need Git to download the source code, you can install the Git command line or a GUI. OS Command Debian/Ubuntu $ apt-get install git-core CentOS $ yum install git Fedora (up to Fedora 21) $ yum install git Fedora (Fedora 22 and later) $ dnf install git Windows Download and install from Setting up Java L2J is developed in Java, to compile the source code you need the JDK. Debian Edit /etc/apt/sources.list and add. $ apt-get update $ apt-get install openjdk-8-jdk Windows Download the latest 'Java SE Development Kit' 64b edition. Double-click the installer and follow the instructions. Setting the JAVA_HOME Variable Windows • Find your JDK installation, it will be something like: C: Program Files Java jdk1.8.0_xxx • Win + R and run: rundll32 sysdm.cpl,EditEnvironmentVariables • Click New in System Variables Variable name: JAVA_HOME Variable value: C: Progra~1 Java jdk1.8.0_xxx • Apply and OK. Get the source code Clone Core and Datapack repositories, say in folder l2j.