Minecraft
Minecraft server out of memory: heap error or Linux OOM kill?
Separate Java heap exhaustion, native memory failures and Linux or container OOM kills before changing Minecraft RAM settings.
Read the guideNexardo / Blog
Setup guides, diagnostics and practical decisions for running games on your own VPS.
Minecraft
Separate Java heap exhaustion, native memory failures and Linux or container OOM kills before changing Minecraft RAM settings.
Read the guideMinecraft
Find the Java executable your Minecraft service actually uses, match it to Paper, and repair startup without changing other services.
Read the guideMinecraft
Back up Paper, copy it off the VPS and restore without deleting the current world: files, permissions and verification.
Read the guideMinecraft
Separate wrong addresses, blocked TCP traffic and login rejection on a Minecraft Java server.
Read the guideMinecraft
Separate Minecraft network latency from simulation lag, interpret TPS and MSPT, profile with spark and check server memory.
Read the guideMinecraft
Set up Minecraft Java with Paper on Ubuntu 24.04, including Java, allowlists, automatic startup, networking and world backups.
Read the guide