I have purchased a VPS with Ubuntu and downloaded the forge server. Though when I opened it it just started a logs file and ended. No server files nothing, just started and ended. I have java 16 and forge 1.16.5 and this is what I get in the logs:
[04Jan2022 17:12:41.181] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: ModLauncher running: args [--gameDir, ., --launchTarget, fmlserver, --fml.forgeVersion, 36.2.20, --fml.mcpVersion, 20210115.111550, --fml.mcVersion, 1.16.5, --fml.forgeGroup, net.minecraftforge, nogui]
[04Jan2022 17:12:41.188] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: ModLauncher 8.0.9+86+master.3cf110c starting: java version 16.0.1 by Private Build
and then just stops