Deploy a minecraft server using forge
Here I use v1.12.2 for demonstration. You can choose any version you like.
Download Forge Installer
https://files.minecraftforge.net/maven/net/minecraftforge/forge/index_1.12.2.html
Install Server
$ java -jar forge-1.12.2-14.23.5.2768-installer.jar nogui --installServer
You can delete ‘forge-1.12.2-14.23.5.2768-installer.jar’ after installation
Run Server
$ java -Xms2G -Xmx2G -server -jar forge-1.12.2-14.23.5.2768-universal.jar nogui
'''
options:
-Xmx: maximum memory
-Xms: minimum memory
'''